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Operator
Good morning, and welcome to the Overseas Shipholding Group Second Quarter 2023 Earnings Release Conference Call. (Operator Instructions) Please note this event is being recorded. I would now like to turn the conference over to Sam Norton, Chief Executive Officer. Please go ahead.
Samuel H. Norton - President, CEO & Director
Thank you, Drew. Welcome, and thank you for listening in on this presentation of our financial results for the second quarter of 2023 and for allowing us to provide commentary on those results and additional color as to the current state of our business and the opportunities and challenges that lie ahead. As usual, I am joined in this presentation by our CFO, Dick Trueblood.
To start, I would like to direct everyone to the narrative on Pages 2 and 3 of the PowerPoint presentation available on our website regarding forward-looking statements, estimates and other information that may be provided during the course of this call. The contents of that narrative are an important part of this presentation, and I urge everyone to read and consider them carefully. We will be offering you more than just a historical perspective on OSG today, and our presentation includes forward-looking statements, including statements about anticipated future results.
These statements are subject to uncertainties and risks. Actual results may differ materially from those contemplated by our forward-looking statements and could be affected by a variety of risk factors, including factors beyond our control. For a discussion of these factors, we refer you to our SEC filings, particularly our Form 10-Q for the second quarter of 2023, which we anticipate filing later today, and our previously released Forms 10-K and 10-Q, which can be found at the SEC's Internet site, www.sec.gov as well as our own website, www.osg.com.
Forward-looking statements in this presentation speak only as of today, and we do not assume any obligation to update any forward-looking statements, except as may be legally required. In addition, our presentation today includes certain non-GAAP financial measures, which we define and reconcile to the most closely comparable GAAP measure in our earnings release, which is posted on our website.
Solid and satisfying best characterizes the second quarter results that OSG announced earlier this morning. Following on from an equally strong performance during the first quarter of the year, we are now comfortably on track to exceed our prior guidance for full year financial results with first half adjusted EBITDA having reached $80 million. Contributing to our second quarter results were incrementally higher average TCE rates for our Jones Act MR tankers and stable and historically consistent returns from our specialized assets.
Positive real cash flow witnessed in the past several quarters has continued to allow a build in liquid assets. The quarter-end cash balances, including investments in treasury securities stood at $120 million an increase when compared with first quarter comparable levels even after taking into consideration nearly $10 million of stock repurchased during the period. Favorable market conditions over the first half of this year have allowed us to achieve our preferred contract profile, which consists predominantly of medium-term charters.
As of the end of June, the average contracted duration for our Jones Act vessels was over 21 months, with 100% of 2023 available days and 80% of 2024 available days now fully fixed. This contract duration gives us an unusually high level of forward revenue visibility. Further, in none of the next 10 quarters, do we expect more than 2 vessels to be open for fixing at the same time. The combination of firm charter rates, staggered maturities and extended contract durations bodes well for continuing into the foreseeable future, our recent run of strong financial results.
During the quarter, the much anticipated conclusion of the Military Sealift Command's tender for vessels to be stationed in the Pacific in support of key Department of Defense operations, saw OSG's Overseas Mykonos awarded one of the long-term contracts for MR tankers, adding to the book of forward cover. The MSC contract is structured as a firm 1-year time charter with options to extend the contract on an annual basis for up to 66 months in total. We will produce more than $20 million of time charter equivalent earnings during the first year and close to $100 million of total TCE over the life of the contract if all options are exercised.
Our success in securing at least one of these tender contracts was a major objective for the year. As with OSG's participation in the Tanker Security Program, recognition of the key role played by OSG in supporting the maritime logistical requirements of the country's defense strategies is a welcome vote of confidence in the value of the services that we provide. The Overseas Mykonos delivered into the MSC contract last week and will, as a result, be withdrawn from the Tanker Security Program. This creates an opportunity for OSG to expand its fleet of internationally trading U.S. Flag tankers through the acquisition of a secondhand tanker to fill the TSP slot vacated by the Mykonos.
We are actively evaluating options to replace the Mykonos and are working to do so in the near future. As mentioned on previous calls, we have been seeking to add to our fleet count, opportunities for which are most promising through expansion of activities in U.S. flag operations outside of coastalized trades. Congress has authorization of an increased in the number of ships participating in the TSP from 10 to 20 ships offers optimism for the chance to further expand in this niche sector. Moving from 2 U.S. flag vessels engaged in foreign trade at the beginning of this year to potentially 4 such vessels by the end of this year is a good start to realizing this growth potential.
Turning to the domestic market. Most indications reflect a market that is continuing to tighten with all Jones Act tankers in nearly all ATBs fixed on time charter to primary end users and traders. Recent fixtures by competitors are reported to have seen an MR tanker taken for 2 years at a rate exceeding $80,000 per day, a 270,000 barrel ATB fixed at over $60,000 per day also for 2 years and 180,000 barrel ATB committed for 2 years at an average rate of $43,000 per day. The pricing power for owners of Jones Act vessels has not been this strong for nearly a decade.
During this past quarter, we reached agreements with each of OSG's 2 lightering customers who extended their respective contracts of affreightment for 2 years commencing July 1 of this year. Time charter equivalent earnings on the terms as extended at the minimum barrels committed will increase by roughly 10% over the minimum time charter equivalent amounts implied in the expiring contract terms. It is worth noting that both of these lightering customers have exceeded the minimum contract volumes in each of the past 2 years. OSG has 1 conventional MR tanker, 1 ATB and 1 Alaskan tanker coming open at the end of this year. Discussions are advanced to conclude terms for future employment of these vessels.
It is anticipated that all 3 of these ships will be fully fixed by the end of the current quarter, a position which if achieved will lead to a forward time charter book for all of 2024 that exceeds 90% of current vessel available days. OSG is actively taking steps intended to incrementally reduce the carbon footprint of our existing fleet. We have discussed some of these steps in our sustainability report available on our website. This commitment to imagining and delivering on a future business model with a reduced carbon footprint is an important component of our current plans. In this context, we have recently entered into several memoranda of understanding to make capital investments on existing vessels intended to reduce fuel consumption and associated CO2 emissions.
Of these initiatives, the most significant is an MOU signed with engine maker MAN B&W to upgrade engines on 2 of our ATC tankers with a goal of achieving as much as a 15% reduction in annual fuel consumption. These engine upgrades, if concluded as planned in 2024 will involve a total project cost for 2 vessels of close to $25 million. The MOU includes options for upgrades on up to 2 additional Alaskan class vessels. Expected benefits to be achieved by these engine upgrades include reduced annual fuel, maintenance and operating costs of approximately $2.5 million per vessel, and an estimated reduction of 6,000 tons of CO2 emissions per year for each vessel. As important, these upgrades will ensure CII compliance under current rules beyond 2030, ensuring continued availability for these vessels to operate in Jones Act trades for the foreseeable future.
Other upcoming investments on selected vessels include planned modifications to improve propeller efficiencies, installation of electronic performance monitoring equipment and use of high-performance hull coatings, all intended to reduce fuel consumption and improve operating efficiencies. These initiatives will help us move towards our stated goal of reducing overall greenhouse gas emissions across our fleet by 10% by the end of 2024.
Beyond modifications intended to incrementally reduce carbon footprint of our existing fleet, OSG continues to develop plans for contributing to a reduction in global greenhouse gas emissions through CO2 capture and sequestration. In recent months, we have witnessed considerable momentum building towards the development of intermediate storage hubs and transport networks to facilitate industrial-scale CO2 capture and sequestration process.
OSG's established franchise for domestic transport of liquid bulk commodities gives us a significant competitive advantage for participating in this emerging market. OSG has recently partnered with key port operators along the Gulf Coast to submit applications for grants from the U.S. Department of Energy to develop detailed projects for intermodal transport hubs for captured CO2. OSG believes that the marine transport of captured CO2 is the most attractive means of connecting stranded industrial emitters in the region with sequestration sites. We are focused on working with our new partners to develop economically viable solutions to achieve this vision. I expect to be able to share with you more specifics on this topic in the quarters ahead.
I will now turn the call over to Dick to provide you with further details on our second quarter results for 2023. Dick?
Richard L. Trueblood - VP & CFO
All right. Thanks, Sam. If we could turn to Slide 7, please. Our Board authorized a $10 million share repurchase program in March 2023. And in June, increased the authorization by an additional $10 million, bringing the current program to $20 million. In the second quarter, we repurchased 2.1 million shares for $8 million. Cumulatively, in 2023, our purchases through June 30, 2023, were 2.6 million shares for approximately $9.8 million. Since then, we have repurchased an additional 258,000 shares for $1 million through August 3. Cumulatively, since we began to repurchase shares in June 2022 and including the purchases in the third quarter of this year, we have bought a total of 12.9 million shares, returning $39.9 million to shareholders.
Please turn to Slide 8. Expanding on Sam's comment and also including revenue days from both our U.S. Flag and Jones Act operations, our contracted book of business for 2023 represents 96% of all available days. Keep in mind that the international U.S. Flag business is a combination of contracted affreightment business and spot voyages. This high level of contracted business substantially increases the predictability of our future operations.
Looking at this on a revenue basis, without considering any business currently under negotiation, and not assuming the exercise of any existing contractual options, our future book of business is approximately $840 million over the remaining lives of our existing contracts. This factors out estimated off-hire days due to future required dry-dock periods. Second quarter operating results were in line with expectations. We continue to see active demand for future time charters as customers ensure their ability to meet their future transportation needs. As Sam addressed in his comments, the rate environment remains quite healthy, along with demand for longer-term contract duration. The Tanker Security Program commenced during the second quarter, saw 3 of our vessels accepted into the program.
Program participation provides $6 million annual stipend paid monthly per vessel to reduce effective operating costs to permit U.S. flag vessels to compete in the international marketplace. Subsequently, one of these vessels, the Overseas Mykonos entered into a time charter with Military Sealift Command and will be removed from the TSP. As Sam discussed, we are actively seeking to acquire another vessel to fill the TSP position formerly occupied by the Mykonos.
Please turn to Slide 9. Second quarter TCE revenues were $100.1 million, $4.6 million decline from the first quarter of this year. 77 off-hire days due to dry dock schedules was a primary contributor to the change. We will continue to see the impact of increased survey activity in the third quarter. We have 136 budgeted dry dock days in the second half, of which 96 days will occur in the third quarter. We expect to expand approximately $23 million on drydock and related capital expenditures over the balance of this year. Adjusted EBITDA was $39.5 million, a small decrease from the prior quarter, principally resulting from the discussed decrease in revenues.
Please turn to Slide 10. Our specialized business revenues declined $4.7 million and ATB revenues declined $1.5 million. Jones Act product tanker revenues increased $1.4 million due to the higher average daily rates.
Looking at Slide 11. During the first quarter, lightering volumes had exceeded historic levels. In the second quarter, volumes returned to more typical levels and TCE revenues associated with this business reverted to historical means. Non-Jones Act tanker performance was influenced by the scheduled 30-day dry-dock period for the overseas Mykonos and fewer Military Sealift Command voyages during the quarter.
Jones Act shuttle tanker revenues increased $1.1 million, returning to customary quarterly levels following the completion of the Overseas Cascade's intermediate survey during the first quarter. Alaskan tanker revenues were stable between the quarters as those vessels continued to be fully chartered.
Please turn to Slide 12. Vessel operating contribution decreased slightly to $43.5 million from $46.6 million in the first quarter. The contribution from our specialized businesses decreased [$2.59] million as the lightering volumes returned to more customary levels coupled with the survey period for the Mykonos and a decrease in MSC cargoes reduced the non-Jones Act product tanker contribution. Jones Act Handysize tankers contribution increased $1.3 million due to rate increases on new contracts, providing the impetus for this change. The contribution from our ATBs decreased $1.7 million as both the OSG 204 and OSG 350 experienced off-hire for drydock period during the quarter.
Turn to Slide 13, please. Adjusted EBITDA was $39.5 million for the quarter, bringing our first half adjusted EBITDA to $80.4 million. A modest $1.4 million decline from the first quarter again reflects off-hire days for survey requirements and the lightering volume reductions. Adjusted EBITDA increased from Q2 by $8 million.
Please turn to Slide 14. We've continued to generate net income and our trailing 12-month basis our net income is $47.8 million. The substantial improvement in our markets, including the impact of renewable diesel vessel demand has resulted in rate increases and increased contract duration substantially contributing to these positive results.
Please turn to Slide 15. First, let me apologize as the published slide is an incorrect slide. And I'll discuss the correct information that affects 2 columns. At March 31, 2023, we had total cash of $105 million and that's $79 million. During the quarter, we adjusted -- we generated $39 million of adjusted EBITDA and working capital used $11 million of cash and not contribute $14 million. We invested $5 million in vessel drydock and other capital costs, and we repurchased 2.8 -- 2.1 million shares for $8 million. We paid $14 million for debt service, $6 million, of which reduced our outstanding debt through scheduled amortization. We ended the quarter with $106 million of cash plus an additional $15 million of liquid investments resulting in total liquidity of $121 million.
Please turn to Slide 16. Continuing our discussion of cash and liquidity, as mentioned before, we had $106 million of cash. Our total debt was $416 million representing a decrease of $6 million in outstanding indebtedness since March 2023. Scheduled loan amortization for the remainder of 2023 is $11.8 million, with $354 million of equity, our net debt-to-equity ratio is 0.9x. In 2024, our scheduled debt service is $53.1 million, of which $24.9 million is principal amortization. Additionally, our loan on the Overseas Sun Coast matures in September '24, and we'll have an outstanding balance at that time of $18 million. This concludes my comments on the financial statements.
I'd like to turn the call back to Sam. Sam?
Samuel H. Norton - President, CEO & Director
Thank you, Dick. As highlighted by Dick's detailed comments, the first half of 2023 has proceeded largely according to plan with positive performance in both average TCE [rates] and the contribution of some of our specialized assets, putting us on track ahead of where we guided at the outset of the year. With now greater visibility of charter rates and coverage contracted for future quarters, the extent of variabilities to expectations for the balance of the year will occur solely as a result of changes in lightering volumes and in the rate conditions experienced in the international MR market, in which currently only 2 of our Non-Jones Act vessels trade.
Our fleet today remains well positioned to respond to the changing patterns of domestic and international transportation of fuel shipments and is well situated and actively engaged in participating in emerging areas of opportunity. We anticipate continuing strength in all important financial metrics and the sustained build and available cash balances over the next several quarters as profitable time charters at higher utilization rates are realized.
As Dick noted, we do anticipate increased dry dock and survey out of service days for the second half of this year. Nevertheless, with our success in securing improved terms on a number of vessel contracts, it gives us confidence in improving our guidance for full year 2023 results from what we have presented last quarter. We now expect time charter equivalent earnings for the full year of approximately $410 million. Obtaining these top line results should generate adjusted EBITDA of about $160 million for the full calendar year of 2023. After deducting debt service and planned maintenance capital expenses, we anticipate that free cash flow for the full year should be close to $70 million.
To deliver on these results, our mission is firmly focused on execution and operational excellence as well as the pursuit of growth opportunities in some of our specialized businesses. The extended contract coverage into 2024 also allows us to project with a reasonable degree of certainty, results that should be achieved from existing vessels for next year. Given what we know today, we expect time charter equivalent earnings for 2024 to exceed $430 million and an adjusted EBITDA to exceed $175 million for the full calendar year 2024.
Capital allocation and the future use of surplus cash flow was a regular topic of conversation with our Board. We consider allocation of capital decisions to be among the most important that we must make towards achieving a proper balance between investing in the future, managing the level of our fixed payment obligations and considering appropriate means for returning cash to our shareholders. We recognize the need to invest in solutions to ensure the long-term sustainability of our business model to continue to meet the investment objectives of our shareholders and to be responsive to ambitious goals of achieving a future target of 0 emissions for ocean shipping.
As reflected in the comments made during this presentation, we believe that we are making good progress towards meeting all of these goals. We hope that you will agree with our assessment and that we can continue to advance these objectives in the months and years ahead. Drew, we can now open up the call for questions.
Operator
(Operator Instructions) The first question comes from Climent Molins with Value Investor's Edge.
Climent Molins - Associate Research Analyst
You provided some very interesting commentary on CO2 Transport. Although this is still in an exploratory phase, when do you think any potential firm commitment could materialize? Could this be a 2024 event? Or how should we think about it?
Samuel H. Norton - President, CEO & Director
Thanks for the question, Climent. This is an area of opportunity that we think is extremely interesting. But as you noted, it's a project or a series of projects that will likely have a long lead time. Just to put it in context, if we were to order some vessel to comply with Jones Act regulations to be able to service meaningful volumes of CO2 transport, likely delivery time for a new vessel in the United States today is probably in the order of magnitude of 3 to 4 years.
So even if we were to have a firm project in hand today, revenue generation from that project would likely not be visible for a better part of 3 to 5 years. I think our own expectations are that, within the next 2 years, we're hopeful that we will see real progress made towards actually seeing projects get off the ground. Projects getting off in my understanding of that, meaning the commitments from emitters and sequesters to annual volumes of CO2 transport that would allow the infrastructure to be committed to and to be commence construction of all of those intermediate pipelines and storage and vessel and receiving facilities on the other end. So it's certainly not something that's going to be revenue generating in the next 12 to 24 (technical difficulty) but I think longer term, it's an area of opportunity that could provide significant additive revenue to our portfolio in the long run.
Climent Molins - Associate Research Analyst
That's very helpful. And following up on that question, would there be any appetite to invest in the online infrastructure? Or would you mostly stick with the vessels.
Samuel H. Norton - President, CEO & Director
I think that's a question that we're still in the early stage of considering. But I think that we will examine this question from the perspective of how best to deploy our capital to ensure the most competitive position that we can attain in the full value chain of capture and distribution. I don't think that would include actual capture -- carbon capture equipment at the emitter sites. But in the transportation chain that links stranded emitters with sequestration sites, I think there's scope for us to examine each and every part of that value chain in the transportation [chain].
Climent Molins - Associate Research Analyst
Makes sense. That's very helpful. You've secured a grand total of first [long term] government contracts, but you have 3 international MRs and I was wondering how do you plan to fulfill this last slot, is a bareboat being the most likely option? Or would you rather acquire the vessel?
Samuel H. Norton - President, CEO & Director
I think that we look at both options. My own opinion is life is easier if we own the vessel as opposed to bareboat the vessel, but we really look at it from the point of view of a capital cost perspective as to which is ultimately the most beneficial structure.
Climent Molins - Associate Research Analyst
Congratulations for the quarter.
Samuel H. Norton - President, CEO & Director
My pleasure, Climent.
Operator
Next question comes from Ryan Vaughan with Needham.
Ryan Vaughan - Principal
Great job in the quarter. And Sam, thanks for the guidance, that's some big time numbers, so great job there, especially for 2024. You commented on a few of the things I was going to ask you about, but maybe for Sam and for Dick, if you could just help us out a little bit, generating a ton of free cash flow, looking for $160 million EBITDA this year, $175 million next year. Leverage, it's getting pretty low here at 1.5 on a net basis.
With that being said, obviously, we're at a good point in the cycle. Can you guys just talk about what you're thinking about? It's a bigger balance but from an actual leverage perspective, it's quite low. How are you thinking about what's ideal? Where would you like to be as we start thinking out 6 months, maybe toward the end of the year as far as debt and cash balances, what's ideal for the company?
Richard L. Trueblood - VP & CFO
Yes, I think clearly, we have one piece of debt maturing next year and then in 2025, we start to see some additional debt maturities arising. I mean, I think, in some respects, I mean, we would like to continue, we are continuing to deleverage our business a bit and reduce what our fixed obligations are. But it -- as you know, Ryan, it becomes a real mix of what other opportunities are out there on how to deploy cash and make capital investments for the future. We have an opportunity now to look at repaying some debt without refinancing it.
And I think that would at least in the very near term, be attractive. But it's a decision that's going to be made based on how we see opportunities unfolding for adding a ship to the TSP program, for instance, and whether that is, again, it's an outright purchase or it's a bareboat charter and what that implies. And then we continue to have an interest in expanding our fleet that participates in the TSP as it grows from 10 to 20 vessels. And so we're going to have to look at those capital commitments as well and then balance it all out. And so I think it's going to be an evolving outcome.
Samuel H. Norton - President, CEO & Director
Maybe I can add on to that. There is in loose bucket terms, there's probably 3 areas I think we're going to need to expand some of it well, leaving aside share repurchases and debt repayment. In terms of sort of investment in the business opportunities in the near term, there's probably 3 (technical difficulty) that we consider we need to be mindful of when we think about our forward cash requirements. One is, as Dick mentioned, the replacement of Mykonos TSP program, whether that's a bareboat or an outright purchase, that would obviously have implications on the amount of cash that would be used.
And then the second is we remain hopeful to be able to find a means of reactivating the Alaskan frontier. That would involve capital both for likely the acquisition of that vessel, which is currently still owned by BP as well as pretty substantial investment into bringing that vessel back to an operating condition. She's been in layup since 2019. So there's some hope that we have some clarity on that by the end of the year.
And then the third area that I addressed in some detail in my prepared comments is investments in capital expenditures to reduce fuel consumption in our ships. Again, those are investments that will be made likely over the period of 2024 and 2025. So all these things are out there and how we fund those and how we finance them really will evolve from day to day. I would note that pretty attractive, all of our debt is currently fixed rate and in an environment where interest rates are rising, the real benefit of prepayment of debt becomes pretty marginalized when you look at particularly some of the specific loans that we have out there.
I think all else being equal, we will pursue it continuing deleveraging of our business through acquisition of (technical difficulty) capital deployment on those projects that I mentioned, either with minimum amounts or no amounts of new debt and then look to refinance or put some more debt on those existing projects once they're completed and when some of our other debt has run off, and do that in a more consolidated basis rather than one-off financing packages.
And I think that, as Dick mentioned as well, some of the maturities that we have coming due in the next 24 months or so. If things continue to go as per plan, we may just repay those and not refinance those facilities leaving ourselves with a series of unencumbered assets that we can use as financing collateral for future projects, either collectively those loans coming off or together with new projects that we enter into over the next 12 to 24 months. So I think that gives you a little bit of a clear description of what goes on in our thinking when we look at these opportunities. It's certainly better today than it was several or a couple of years ago in terms of the options that are open to us, and we're clearly thinking about how best to use that cash to maximize our opportunities.
Ryan Vaughan - Principal
That's great, Sam. And if you don't mind, just a follow-up on -- you gave us the 3 options, all make perfect sense. Approximate timing on number one? And then I heard you say for the Alaska Frontier, hopefully, have some clarity by the end of the year. What's the rough timeline to get that back in the water?
Samuel H. Norton - President, CEO & Director
Yes, we clearly would like to get a substitute vessel for the Mykonos sooner rather than later. So as I said in my comments, our hope is that we're able to achieve that by the end of the year. Clarity on the Alaskan Frontier, that remains a little bit of a moving target, but I think today, we are more hopeful that we will see some movement on that within the next -- within this year, within the next 6 months.
And then we would then need to be able to invest and invest to bring it back into service. Our current timeline right now, the earliest that we would expect the Alaskan Frontier to be contributing to revenue of the company would be late in 2024. So for now, it's not really featuring in our forecasting. But we should know more about that in the next 3 to 4 months.
And finally, we -- as I said, we signed an MOU with MAN B&W to invest in 2 of our ATC ships to upgrade the engines there, and we have an option to do 2 additional vessels. And as I mentioned, the capital cost -- the total project costs there, including all elements will probably run for the 2 ships order magnitude of $25 million. And that capital will be expanded. If we sign firm contracts, which we are working to do within the next 60 days, that capital will be deployed kind of evenly over the 15-month period starting at the end of September.
Operator
(Operator Instructions) The next question comes from [Joshua Kehoe], Private Investor.
Unidentified Participant
If possible, could we follow up a little bit on the TSP program? I know the MSC and Government of Israel voyages are done at good rates, but the international spot market is a little bit more volatile. My understanding is currently only 9 of the 10 TSP slots are filled. And I just want to kind of get your sense of the desire of participants to enter into that program given the more volatile international spot rates for MR tankers.
Samuel H. Norton - President, CEO & Director
Thanks for the question, Josh. A couple of observations that I would make. I think longer term that participants in the TSP program believe that it is an attractive program. And that as I have commented as well, the expansion from 10 to 20 shifts is something that is likely to occur over the next 3 to 4 years. I think the cadence of entry into an expansion of the TSP, however, is something that in the short term, is somewhat problematic or not in alignment with the aspirations of the transportation department and the Department of Defense. Two things stand out in contributing to that delta in expectations. One is the continued high rate of the price or the high prices for international tankers that currently, in my opinion, don't reflect the existing spot markets or time charter markets for international MR tankers.
Just to give an example, there was announced recently, a series of new buildings entered into with full methanol capable engine design and specification for delivery, I believe, in 2025. And those ships were fixed for long time charters, I believe, 5 to 7 years in a range of about $25,000 per day. That would imply a longer term time charter rates for more conventional vessels probably in the gap between $20,000 and $25,000 per day. If you have scrubbers or eco or all the rest of that probably there's some variability there. But we certainly see equivalent time charter rates for international MR tankers in the lower 20s, let's call it, $22,000, $23,000, $24,000 per day is probably being effective rates. And when you look at those types of rates, vis-a-vis the acting prices for vessels in the market, it's quite difficult to make any kind of sense out of the returns that can be generated from that, whether trading internationally or trading in TSP program.
I've spoken about this on calls and discussed with you in the past, there is a -- in my mind, there's an overhang of the opportunities available to sanction insensitive traders to be able to participate in moving Russian crude oil and products that I believe is getting close to the end of its development. By that, I mean, I think people that are going to engage in that trade probably fulfilled their appetite for ships to be able to buy to do that. And therefore, that buying nexus, that buying appetite is either waning or completed. And once that process finishes, I think then price levels for other buyers of anchors that participate in the normal non-Russian trades you'll start to see some decline in prices.
And I think that one of the reasons that maybe you haven't (inaudible) there's only 9 and we have to go out and replace the vessel as well, and we haven't done it yet. One of the reasons why you're seeing that kind of lag is a belief that the normalization of prices to align themselves with sort of time charter equivalent rates in the market will occur over the coming months. Of course, it may not. There's no guarantee there. But I think there is a view out there that, that process may beginning to materialize.
The other important factor that I want to emphasize in terms of the trajectory of vessels entering into the tanker security program is the continued shortage of maritime labor which manifests itself nearly every day in our normal business. And when you start to add the number of new additional U.S. Flag vessels to the pool is and will continue to put tremendous stress on the manning capabilities of companies participating in that program. We are actively engaged in Washington with Congress and with sponsors for the program to first understand the requirements for manning and second to plan for a ramp-up of additional manpower. In conversations with labor, they characterize this as a good problem to have. I'm not sure if it's a good problem, it's a problem and ultimately, it leads to more jobs.
And one of the objectives of the Tanker Security Program is to broaden and deepen the pool of U.S. mariners available for supporting maritime logistics for the Defense Department. So I think everybody is on board and understanding that, that's a long-term goal. Short term, the whatever teething pains or the real hurdles that exist in trying to ramp up that manpower very quickly, that's a concern. And I think that probably contributes more than the volatility of the international market. For MRs in the long run, I think that the availability of labor in the short run is a greater contributor to hesitancy in terms of putting more vessels into the program.
Unidentified Participant
That makes a lot of sense. And if I may follow up real quickly because I'm always interested in renewable diesel. And I know both Vertex and PBF, their renewable diesel plants have come online in the second quarter. Are you seeing any more appetite in terms of obtaining charters for renewable diesel runs or you had mentioned before, I believe you thought 8 to 10 vessels would eventually be involved in doing that transportation. I'm just wondering if you've seen anything change there. Great quarter, and I really like that guidance for 2024.
Samuel H. Norton - President, CEO & Director
So my take on renewable diesel is, if there were more MR tankers available in the market today, there would probably be more appetite for movers of renewable diesel to take those vessels. As I said in my prepared comments, to our knowledge, every MR tanker is currently fixed and deployed. So there is no current availability of vessels. So it's a little hard to speculate how -- where there's demand and where there's supply because there's just simply isn't any supply right now.
We certainly continue to field inquiries from some of the existing customers that we have about availability and tonnage in the future. So that leads me to believe that there's probably still demand there. I think to hedge that a little bit, I think and you know this, I've read some of the comments that you posted online, developments in terms of other states with renewable fuel or equivalent to California low carbon fuel credits. If those sorts of things were to come online, that might change some of the transportation and the dynamics for the long West Coast or Gulf Coast or West Coast trades. I don't think anyone reasonably expects that to change in the next year or 2. But looking beyond that, I think that's an area of some question and probably tempers the appetite of our current customers in terms of looking at longer-term contracts.
Operator
This concludes our question-and-answer session. I would like to turn the conference back over to Sam Norton for any closing remarks.
Samuel H. Norton - President, CEO & Director
Thank you, Drew, and once again, thanks to everybody for listening in. We are certainly encouraged with the trajectory of our business and look forward to continuing to give you good news as we roll through the balance of this year and into 2024. Wishing everybody a good day. Thank you very much.
Operator
The conference has now concluded. Thank you for attending today's presentation. You may now disconnect.