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Operator
Greetings, and welcome to Astronics Corporation's First Quarter 2018 Financial Results. (Operator Instructions) As a reminder, this conference is being recorded.
It is now my pleasure to turn the call over to your host, Deborah Pawlowski, Investor Relations, for Astronics Corporation. Thank you. You may begin.
Deborah K. Pawlowski
Thank you, Rob, and good morning, everyone. We certainly appreciate your time today and your interest in Astronics.
On the call with me are Peter Gundermann, our President and CEO; and Dave Burney, our Chief Financial Officer.
You should have in hand the news release that crossed the wires earlier today before the market. And if you don't, it's available on our website at astronics.com.
As you are aware, we may make some forward-looking statements during the formal presentation as well as during the Q&A portion of this teleconference. These statements apply to future events that are subject to risks and uncertainties as well as other factors that could cause actual results to differ materially from where we are today.
These factors are outlined in the earnings release as well as in documents filed by the company with Securities and Exchange Commission. You can find these documents both at our website and at sec.gov.
With that, [let me] turn it over to Pete to begin. Peter?
Peter J. Gundermann - President, CEO & Director
Thank you, Debbie, and good morning, everybody. We're going to talk about our first quarter, which was an interesting quarter. And from our perspective, a reasonable start to the year. I hope to explain that statement because the numbers don't always line up the way we would like them to on any individual period. But the highlights for the first quarter are: first of all, very strong revenue and bookings, especially for our Aerospace business, which saw once again record sales, record bookings and ended the quarter with a record backlog. The bad news for the quarter, of course, was that we faced a lot of margin pressure from a lot of different directions. We're going to spend quite a bit of time on this call talking through the issues, but they have to do with certain acquisition-related and legal expenses. Certain of our operations had a difficult quarter, a difficult start to the year. And the reality is that even though we had pretty strong revenue for our history at $179 million, our company today is sized for something greater than that.
Luckily, we think that most of these margin pressures are going to take care of themselves; be moderated as we work through the year; and again, we're going to spend quite a bit of time talking about why we think that's the case. But long story short, we think our second quarter sales are going to increase pretty dramatically. That's the quarter we're in right now, from $179 million to something close to $200 million. We expect our Test business to more than double in sales. And we think the weaker parts of our Aerospace business are making substantial progress in terms of minimizing the losses that we've been incurring over the last couple of quarters. So we'll talk about that. And finally, the acquisition and legal expenses, which definitely impacted our first quarter, are going to drop to less than half in the second quarter and drop again in the third quarter, such that in the second half of the year, that will become relatively modest.
So, the first quarter, revenue is strong at $179.1 million. That's our highest revenue in over 2 years, above our comparator period of the first quarter of 2017 by over 17%. Our acquired businesses since the first quarter of last year, primarily Telefonix, PDT, but also CCC, added $25.1 million in revenue to the first quarter results. Our organic growth, on the other hand, was therefore, pretty modest at only about 1%. Our Aerospace sales in the first quarter were $164 million, just shy of $165 million, up 20% from the comparator period when we had sales of $137 million, that is a new record. Test sales were only $14.5 million. Our Test segment had a difficult quarter, that's down 7% from last year and down pretty dramatically over the last couple of quarters, and down quite a bit from where we expect them to be going forward.
It's really just an issue of program timing, customer orders, and we expect these problems to resolve themselves naturally as we kind of move through the year. I already said, we expect our Test business to more than double their sales as we -- in the second quarter. Again, consolidated, our bookings were strong at $196 million. That's another positive book-to-bill of 1.1x and left us with a backlog of just shy of $400 million at the end of the first quarter. That is a new record for the company.
But of course, the bottom line results were light. We ended up with net income of $3.3 million, 1.8% of sales down substantially from $11.6 million or 7.6% of sales in the first quarter of 2017, diluted earnings per share of $0.11. Our margins struggled under a range of pressures. I talked about the Test business that had an operating loss of $1.9 million, largely due to the Telefonix acquisition. We had purchased accounting expenses of $4.7 million in the first quarter. And that is made up of intangible asset amortization of $3.4 million and inventory step-up expense of $1.3 million. So the total again there in the quarter was $4.7 million. That number's going to drop as we go through the year, and we'll talk about that in a minute.
We also had a legal reserve in the quarter of $1 million due to a long-standing dispute that we have been kind of working our way through. It's been something that's happened -- been happening both in the U.S. and in Germany. And we've been very successful in the U.S., we've not -- but not been as successful as in Germany. And our advisers have suggested that we're facing -- likely to face a $1 million penalty at some point, probably next year, and that litigation continues. So we will see how it ends up at the end of the day. But we did take a $1 million reserve in the first quarter. And then we have 3 struggling Aerospace operations. We talked about these 3 in the last call a little bit. They are companies we refer to as CCC and AeroSat and Armstrong. Consolidated, those 3 put up an operating loss in the neighborhood of $8.9 million in the first quarter.
We expect that to lessen going forward, and we'll talk about that in a minute also. And finally, again volume of $179 million. Though it's one of our highest revenue quarters ever, our company is sized to do something greater than that. And we would expect to be much closer to $200 million on average over the course of the year. For 2018, we think our margin profile will look substantially different at $200 million.
Going into our segments in a little bit more detail. Aerospace, first, revenues of 160 -- just shy of $165 million, up 20% from the comparator quarter of $137 million. That is a new record. Operating profit was $13.1 million or 8%. I already talked about most of the negatives there. The things hurting us were purchase accounting, legal accrual and 3 struggling business units in particular. Bookings, however, were really strong, $181 million. That is our strongest aerospace quarter ever and continues an encouraging trend.
Our book-to-bill for the quarter of 1.1 and leaving us with a backlog of $306 million, also a new record. So again, for our Aerospace segment, record revenues, record bookings, record-ending backlog.
Moving to our Test segment quickly. Revenues were $14.5 million. That's down 7% from last year and well below where we expect our Test business to be for 2018. At that volume, the operating profit was a loss of $1.9 million. Bookings, however, were positive, $15.3 million in bookings, book-to-bill of 1.06, leaving us with a backlog of $92.3 million. And the real issue with our Test business very simply was just the scheduling of deliveries and some orders that we expected to get -- are still expecting to get, kind of a long frustrating story, but we think our Test business is in pretty good shape for the year. We just need to get some of the schedules to cooperate and align.
So looking forward, what do we expect to happen the rest of this year? And what do we expect to happen to margins in particular? We are largely maintaining our initial guidance, which we released back in January. They were bringing up the low end a little bit based on our bookings success. So today, we're saying that we're forecasting consolidated revenues of $765 million to $815 million for the year. That's an increase of about 26% over last year. We expect Aerospace to be $650 million to $680 million. The midpoint would suggest growth of about 24%. And Test, we expect to be $115 million to $135 million. That’s the same range as before. The midpoint would suggest growth of just shy of 40% over where they were last year. And again, we believe these ranges capture the reasonable estimates, but there is some upside potential. Of course, there's always downside potential, too, but we can pretty confidently say, based on the bookings we have received and the things we're anticipating that, that there is upside potential to those stated ranges
Looking a little closer, we expect second quarter revenues to be about $200 million. We expect the third quarter to show or turn in another jump equivalent to what we're expecting from Q1 to Q2. So that put us in the $220 million range.
So let's talk a little bit about margins and try to explain why we think -- as we said in the press release, that we think our margins in the second half of the year as we get to the end of the year will be somewhere in the mid-teens, our operating margins. That's well below where we were in the first quarter, obviously. And there's been comment and concern on our margin structure in general. And I think the best way to do this in a short period of time would be to look back at first quarter and place them [if-then] kind of gains, particularly looking at Aerospace. We're going to look at our Aerospace segment specifically, because that's where most of the noise is. We think our Test business again is going to end up at a pretty reasonable volume and be a solid contributor by the end of the year. So it will take care of itself. But 80%, 85% of our business is Aerospace, and that's where most people pay the most attention. So first quarter Aerospace sales -- I'm going to throw a bunch of numbers here, were about $164 -- $165 million. And our operating profit was about $13.1 million, that's 8%. We had what I would call some legal or acquisition-related expenses, most of which is going to drop off over Q2 and Q3, and that total, which will be gone by the time we get into Q3, is about $4.1 million. So if you take the $4.1 million, that's going to drop off and you add it back to the $13.1 million we had in Q1, our operating profit goes from 8.0% to 10.4%. Now we have the 3 operating units in our Aerospace segment, which have been causing us a fair amount of pain. I talked about it before, CCC, AeroSat, Armstrong. And the good news is that we feel we've got line of sight to bring their performance collectively as a group up pretty strongly as we move through the year, not such that they're going to be incredibly profitable, but at least we will start to eliminate the operating losses or will work towards that substantially. And to give you an order of magnitude or to set the frame again. In the fourth quarter of last year, these 3 came in with an operating loss collectively of $27.3 million. That was largely weighted by a $16.2 million impairment charge at Armstrong. So $27.3 million in the fourth quarter. That number was reduced effectively to $8.9 million in the first quarter of this year, those quarters we're talking about today. That $8.9 million includes a $2.1 million adjustment for the completion requirement on a program at CCC that we are very involved in, very engaged in. That would be the second estimate to complete adjustment for that program. We took a similar-sized one in the fourth quarter. We believe we're through that process now. I'm sure we'll get questions on that. But this is a company we bought in April of last year, and this program that we're describing or talking about or referring to somewhat obliquely is something that's been growing and getting a ton of attention from around the company. We think we've got our hands around it now. And we think this estimate to complete will be the last one.
So that $8.9 million this year. For this quarter, we expect to drop to about $4.5 million in the second quarter. And we expect that number to drop again to somewhere in the neighborhood of $2 million in the third quarter. So it's a little bit of a leap. But let's say that we get to the end of the year and we take that $8.9 million operating loss collectively for those 3 companies in the first quarter and we were to turn it to a breakeven, that would be an addition of $8.9 million back to operating profit, which would bring us up to 15.9% in the first quarter. Again, looking at the purchase accounting adjustments and legal accrual, and assuming we can get those 3 operating companies back to breakeven or close to it, we end up with operating margins in the first quarter of 59.9%. In the first quarter, our Aerospace sales were $165 million. In the second half of the year, we expect them to be up about 15%, 20%. So the combination of those things on the Aerospace side, combined with the pending backlog that we have to deliver against on the Test side, give us reasonable confidence that we're going to have a much stronger margin profile as we work through the year.
I think that's my prepared remarks. A little bit shorter than normal, but it's the first quarter. So it's always a little less to talk about. Rob, we can open it up for questions now.
Operator
(Operator Instructions) Our first question is from Ken Herbert with Canaccord Genuity.
Kenneth George Herbert - MD and Senior Aerospace & Defense Analyst
Pete, I appreciate the additional detail. I just wanted to confirm, so is the assumption that the $1 million you spent on legal this quarter and the money you spent on the loss reserves, did those completely drop off in the second quarter? Or are those are lingering into the second quarter as well?
Peter J. Gundermann - President, CEO & Director
Those 2 particularly completely drop off. I mean, assuming we don't have another estimate to complete. I mean, obviously, this program we're working on, the one in question at CCC is the one that's going to wrap up in the second half of this year. And we'll do quarterly reviews. And the assumption is that we have it under control. We know what it's going to take to finish the program. But if we have a surprise, theoretically, we could have another charge there, but we're not planning on that, certainly.
Kenneth George Herbert - MD and Senior Aerospace & Defense Analyst
Okay. So if I look at the sort of -- the loss reserve at -- the loss reserve around a particular program, legal, obviously the inventory step up and intangible amortization of those -- the intangible amortization obviously steps down. I think you guided to sort of $2.2 million in the second quarter then down to a run rate of $1.6 million. But those -- so you should see sequentially at least from the first to the second quarter about the $7.8 million drop-down to the $2.2 million. I just want to make sure I've got that correctly.
Peter J. Gundermann - President, CEO & Director
That's correct.
Kenneth George Herbert - MD and Senior Aerospace & Defense Analyst
Okay, okay. And then, I guess, just bigger picture. With the comment on what you expect to ship from the backlog this year with what you've done in the first quarter, it looks like you've got about, give or take, to the midpoint of guidance about $250 million in sort of book-and-ship sales still to come this year. I'm just curious if you can provide some commentary around -- I guess, it sounds like Test is probably a bit more of a wildcard as part of this, just considering timing, but maybe confidence around this sort of book-and-ship business between now and the end of the year in areas where you might say there's even still some risk, although it certainly sounds like you're a little more confident on the Aerospace side.
Peter J. Gundermann - President, CEO & Director
Yes, I guess we feel pretty very confident. Dave did a comparison of our book-and-ship requirements this year compared to last year. I don't know if you want to jump in on this one.
David C. Burney - Executive VP of Finance, CFO & Secretary
Yes, I think we're really confident that the orders that we'll take in, in the next few quarters will be able to get us to that midpoint of the guidance. We're seeing continued strong bookings. The first quarter was strong. The fourth quarter last year was strong. So we see no reason to think that those booking trends are going to change. So yes, we're really confident that the book-and-ship will get to that point. The biggest part of our book-and-ship is our cabin business. And the cabin business tends to get orders with roughly a 13-week lead time or thereabouts, 8 to 13 weeks, somewhere around there. So while we don't have complete visibility, we do have an idea of what's going on in the market and what we expect to see in there for the balance of the year.
Kenneth George Herbert - MD and Senior Aerospace & Defense Analyst
Yes. Okay, that's helpful. And, just finally, on - you highlighted again in the release some mix customer pricing and pressures specifically in the cabin power segment. Can you just comment more on that, and are you expecting that to maybe abate as you go through the year? Is that in a particular -- I'm guessing on the original equipment and maybe the retrofit side as well or any more color around that would be helpful.
Peter J. Gundermann - President, CEO & Director
Okay. Yes, it's a modest challenge for our business. I guess I would say that it's -- I color it making 3 points. The first point is it's a much larger business than it has been before just around the world and in the mind of the industry. So to some extent, we have bigger customers buying more products, they expect pricing advantages. And we're working our margins on our cost side to accommodate that. But we've certainly been in situations where we've agreed to more aggressive pricing in exchange for longer contracts or bigger orders. So that's part of it. The other part of it is that, we're making this transition from wide-body operators to narrow-body operators. And in some cases, that is a shift in market enough to bring in new competitors who maybe want to offer a much lower cost kind of system without the intention frankly of ever being offerable at the OEMs. Our systems are designed so that when we sell a program to an airline, and they want to retrofit their fleet, and then they want to buy some new airplanes from the OEMs, primarily Airbus and Boeing, they want the same system. So the system, in order for Airbus and Boeing to put it on the airplane, has to be operable at Airbus and Boeing. That means it has to be designed and built and tested and approved to their specifications. And we do that. That's our standard way of operating. And for the most part, our traditional wide-body customers who also offer narrow-body airplanes or fly narrow-body airplanes, as they put our products on their narrow-body fleets, they know that value proposition, they understand that value proposition and that they are on board. There are occasionally narrow-body operators who don't have that historical wide-body experience and don't understand the value proposition. And it's a little bit more of a struggle for us in those kinds of situations. But we are doing well. And we feel -- we always talk about having more than 90% market share. I think we can very confidently say that we're maintaining that. And that's an important objective of ours as we kind of manage this transition from wide-body to narrow-body, from 110 USB to USB only. I'd say that's kind of color that I'd provide for it.
Kenneth George Herbert - MD and Senior Aerospace & Defense Analyst
Okay, great. And just finally, you mentioned specifically you expect the Test system to double. I'm assuming that little comment was about sequentially from the first to the second quarter?
Peter J. Gundermann - President, CEO & Director
Correct.
Operator
Our next question is from Michael Ciarmoli with SunTrust.
Michael Frank Ciarmoli - Research Analyst
Pete, maybe I missed it. Did you just say there were 3 points driving the mix in pricing in the cabin?
Peter J. Gundermann - President, CEO & Director
I kind of merged 2 of them together.
Michael Frank Ciarmoli - Research Analyst
Yes, I figured you may have.
Peter J. Gundermann - President, CEO & Director
In my head, when I started, it was 3 but it turned out to be 2.
Michael Frank Ciarmoli - Research Analyst
Got it. I just want to make sure we didn't miss anything there. Just on the CCC, Armstrong, AeroSat, did you guys -- I mean, you guys couldn't have anticipated that they would run at a loss seemingly all year. I mean, should we expect these businesses to be dilutive to margins even as we go into 2019?
Peter J. Gundermann - President, CEO & Director
Well, it's a little early to talk about 2019. But let me maybe run down what we see happening at each of those 3 companies...
Michael Frank Ciarmoli - Research Analyst
Or even maybe -- maybe I would say, can they get to that in line average? Can you bring them up to sort of historically where you've been?
Peter J. Gundermann - President, CEO & Director
Definitely. I think we have clear line of sight, I would say, in 2 of the 3. And the third one is a little bit more of a development effort. But we're hopeful there also. I think all 3 are making really good progress. I mean, CCC is struggling with a program that we're not allowed to talk too much about right now. But we think it's going to be a very worthwhile program once it gets going, and it'll get going, we believe, towards the end of this year and carry us into next year. So we're excited about that. Armstrong has had a tremendous turnaround in terms of market presence and customer orders. And I think we're as excited about that business as we have been since we've owned it. So it's not out of the woods and it's not going to be tremendously profitable this year, but it's certainly going to have the volume to work with, which is something that's been half of the battle up until now. And then AeroSat has a number of initiatives. The [tail mount] business jet, large business jet program that we've been talking about forever is finally showing solid momentum with our partners on that effort, knocked down some hurdles. We have 6 airplanes working. They're working well. And we expect much more volume in the second half than we've had in the first half. And with that, AeroSat's performance will improve pretty dramatically, too. So I think all 3 we have line of sight, but we're -- it's a little early for us to do our budgeting on the fly here for 2019. That's an exercise we typically don't get into until the October timeframe or so.
Michael Frank Ciarmoli - Research Analyst
Okay, fair enough. What about -- I mean, organic growth clearly light in the quarter, even the biggest subsegment of Aero, the electric power motion, I guess an improvement but still below 1. You talked about the bookings strength. I mean, you guys continue to spend a lot on R&D. I guess 13% of sales. I mean, I guess, I would've expected better organic growth performance. And it sounds like I guess we should see organic growth acceleration into the remainder of the year based on that revenue cadence you gave us. But is there anything else in the marketplace or kind of -- rates are going up. It seems that the aftermarket retrofit is good. You did mention the wide-body/narrow mix. But I guess, with the bookings trends above 1, the R&D investment, I would have expected maybe a more consistent pickup in organic growth.
Peter J. Gundermann - President, CEO & Director
Yes, we were thinking that -- when we were doing our budgeting at the end of last year, we were thinking that our first quarter would be stronger than it was revenue wise, but it's really just a function of orders and timing. And it's just kind of the way it works out. We think that it's all snowballing, in a sense. You look at our inventory buildup on our balance sheet and you look at the headcount additions and the backlog and the orders, it's all coming in. But definitely some things that we thought would happen in the first quarter have moved out a little bit. And I'd tell you one little story from our Test business, which just, I guess, accentuate the point. It's not uncommon when you get a big Test order to have what's called a post-award conference where you meet with the customer and you do some planning for timing and scheduling and logistics and clearing expectations of how the program is going to be managed. And we -- we had a customer schedule a post-award conference in February, we had it in February, and here we are in April, we still don't have the orders. So the post-award conference turned into a pre-award conference. And it's just an example of how we expected that order, which was material, to contribute to Q1 results. And we still don't have it. So some situations like that, you put 2 or 3 of those in a quarter in a company our size, and it definitely has a material effect. But it's not as though our markets are softening, we don't think. It's not as though there are competitive threats that we don't have answers to, it's just a matter of customer timing and kind of the way the ball bounces some times.
Michael Frank Ciarmoli - Research Analyst
Got it. And then just the last one, have you given -- or would you be willing to say what you think organic growth will be for the year? Or what you think the acquired revenue contributions are going to be this year?
Peter J. Gundermann - President, CEO & Director
We haven't given it. But Dave's holding me -- giving me the caution finger as he looks something up.
David C. Burney - Executive VP of Finance, CFO & Secretary
We talked to earlier, I think, in the last call, about the Telefonix, PDT contribution this year, $70 million, $80 million range.
Peter J. Gundermann - President, CEO & Director
Yes.
David C. Burney - Executive VP of Finance, CFO & Secretary
And the (inaudible)
Deborah K. Pawlowski
And we lapped the other (inaudible)
David C. Burney - Executive VP of Finance, CFO & Secretary
CCC was on board last year for all but the first quarter. So that's really the only significant adjustment you'd have to make to get to organic.
Operator
The next question is from George Godfrey with CL King.
George James Godfrey - Senior VP & Senior Research Analyst
Thanks for all the color on the margins and the expenses. Backlog and the order growth looks fantastic. Just one question, is there anything that would structurally be different about the profitability of the future business as it comes on? We always read about how Boeing is always pushing back on suppliers and pricing and wants to be more aggressive in the aftermarket. So just want to be sure that there's nothing pricing on margin difference in the future business?
Peter J. Gundermann - President, CEO & Director
Yes, I don't think so, George. I mean, It's certainly a competitive world out there. We have lots of companies that like to eat our lunch before we do. But for the most part, I think we're holding our own reasonably well. Boeing is an important customer to us, but not our sole customer by any means. And we haven't had any contract renegotiations recently, we don't have any that I'm aware of in the immediate future. But there's always [cost down] pressure. But I think the little exercise I walked through demonstrates that if you could just get some struggling companies to break even, and if we could work our way through some purchase accounting challenges and some legal accruals, that our margins are actually not in terrible shape. I mean, they jump right up to the mid-teens pretty quickly. And that's without the effect of the increased volumes that we expect to happen over the coming quarters. So we're not pleased with how the first quarter margins show up. But we don't think that's representative of where the business is or where it will be as we work through the year.
Operator
(Operator Instructions) Our next question is from Jonathan Tanwanteng with CJS Securities.
Jonathan E. Tanwanteng - MD
My first one is, is there any update on the semi Test business, your competitiveness in that space? And specially on new programs versus your legacy customer and kind of how it plays heading into 2019?
Peter J. Gundermann - President, CEO & Director
Well, again, I guess we'd say it's a little early to talk confidently about 2015. I think we continue to feel we're making pretty good progress. We think this year will be a big step up over last year. And I think our team in that area has done a good job covering the world. I mean, really, we're all over the place talking to all the potential customers. And everybody knows who we are. We've established the name kind of from nowhere a few years ago. So I'm pretty confident, look -- and I think the real issue with 2019 is going to be customer timing. I mean, I think we're doing the things we need to do to demonstrate the technology, improve the value. It's a question. And I think the customers, in general, understand that and appreciate it. The challenge is pushing the go button. And getting through kind of a necessary development, proof of concept kind of exercises that they need to go through when they spend the kind of money that we're talking about with these programs. So I think we're confident. I think 2018 is going to be a big step up over '17. A little early to talk confidently about where 2019 will be, but the potential's there for it to be a pretty good year.
Jonathan E. Tanwanteng - MD
Okay. Great. And then just because it was in the news. Do you guys have any exposure in terms of Iranian carriers and kind of the nixing of the Iran deal, would there be any impact from Boeing and Airbus not shipping planes there to you guys?
Peter J. Gundermann - President, CEO & Director
Nothing, nothing major. We do have -- we do work with airlines around the world. And we obviously do what we can to -- or do what we have to do to stay within the letter of the law. But I would say we don't have anything major involved over there.
Jonathan E. Tanwanteng - MD
Okay, and finally, Dave, just a quick update on the cash flow. I you know you said last quarter that you didn't expect to build too much cash given the inventory and working capital build. Just a quick update on that.
David C. Burney - Executive VP of Finance, CFO & Secretary
Same picture. You would expect -- as we expect the year to grow as we go on, it's going to consume some of our free cash flow and building up the inventories and receivables, and we don't expect to be able to reduce our debt load probably until looking into the fourth quarter of this year. If you kind of just look at the forecast that Pete talked about with heavy loading in the last half of the year, we do expect working capital to continue to increase a little bit as we go forward through the second quarter.
Operator
Our next question is from Dick Ryan with Dougherty & Company.
Richard Allen Ryan - VP & Senior Research Analyst of Industrials
So Pete, on the topic of increased competition moving from wide into the narrow-body world. Are they just using the presence of some other competitors to get better terms from you? Or have you actually lost any kind of meaningful awards that you were going after?
Peter J. Gundermann - President, CEO & Director
I would -- we haven't -- we haven't lost anything really meaningful. There are some little programs here and there that do something we don't like. But there are a couple of dynamics that we think play to our favor. First of all, this is a lot harder to do than people think. It's easier to cobble together a system, but it's hard to do it really well and reliably. And I think for the most part, customers around the world understand that and appreciate it. The offerable issue is a big deal. And there's actually a fair amount of migration in power. You wouldn't think about it. Most people about -- their 110-volt electrical outlet in the wall of their house hasn't changed much over the last 20 years. But when you think of the kind of the systems that we put on the airplanes, they actually do change a lot. And one of the things we offer is kind of the "been there, done that" lessons of life where we have -- you want a basic USB system, we have that. You want USB combined with 110, we have that. You want 110 in various power levels, we have that. You want to go USB Type-C, which is kind of an emerging technology and it will be eventually obsolete, the current -- what everyone understands today to be USB, we have that too. You want to go wireless, we're demonstrating and showing wireless technology now. So I think that breadth of product is unmatched and unrivaled, and I think at the end of the day, we're going to be successful. We just don't want to take our foot off the gas at all from a competitive standpoint as we -- as the technology spreads and goes around the world and goes from a wide-body to narrow-body. So maybe that gives you a little more context for it.
Richard Allen Ryan - VP & Senior Research Analyst of Industrials
Sure. And looking at the strong winds you had in ISP last year in Asia and the U.S. Some of those installations were going to start in early '18 and go out for the next several years. Has there been any delay in those installations? Or are they tracking to your previous timeframe expectations?
Peter J. Gundermann - President, CEO & Director
I think they're tracking more or less as we would expect them to. There are always moving parts that go in and out. But nothing that changes our overall expectations for the year, obviously. Or we would have had to reflect that in our revenue guidance. But we're pretty much -- actually in the aerospace side, we're effectively raising our guidance by bringing up the low-end a little bit. So no, nothing major sliding out.
Richard Allen Ryan - VP & Senior Research Analyst of Industrials
Okay. On the cash side, I think you mentioned deliveries and anticipation of orders. You had some other commentaries from some back-end Test companies that threw some caution out there with the major player, and I guess I'm just wondering if you're keeping guidance as is, what gives you the visibility that slip from February to April isn't going to slip until summer or early fall, if by then?
Peter J. Gundermann - President, CEO & Director
Well, that slip I was talking about was actually in [E&D] not a semi-slip, just to be clear. So our -- I mean can always be surprised, I suppose, that firm orders and backlog and those schedules aren't moving except to the extent that they need to move for logistics reasons. But nothing major at this point. So we're not expecting that.
Richard Allen Ryan - VP & Senior Research Analyst of Industrials
Okay. One last one. [E&D] combined organic with acquisitive. It looks like it's, what, 15-ish percent or so. What should we expect for that in the remainder of the year?
Peter J. Gundermann - President, CEO & Director
For A&D test?
Richard Allen Ryan - VP & Senior Research Analyst of Industrials
No, E&D. Engineering and development.
Peter J. Gundermann - President, CEO & Director
Oh E&D. I'm sorry, okay. Yes, we're expecting that to pretty much match to forecast. It was a little higher percentage-wise because of the lower revenue. Frankly, we are pretty confident that Q1 will be our lowest revenue quarter for the year. And our spending will, kind of, stay -- I think it will largely stay the same in actual dollar terms, but it will drop in percentage terms as revenue climbs.
Operator
Ladies and gentlemen, we've reached the reach the end of the question-and-answer session At this time, I would like to turn the call back to Pete Gundermann for closing comments.
Peter J. Gundermann - President, CEO & Director
Thank you, Rob, and thanks, everybody, for attending. We look forward to a better report at the end of Q2. Thanks for your interest. Have a good day.
Operator
This concludes today's conference. You may disconnect your lines at this time, and we thank you for your participation.