19 Apr 2024, 07:29 [ UTC - 5; DST ]
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Post subject: MU2 Honeywell TPE-331-10 No Longer Manufactured... Options? Posted: 14 Mar 2018, 09:50 |
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Joined: 12/12/10 Posts: 275 Post Likes: +57 Company: PLANELOGIX Location: KRDU
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Hi everyone, I'm doing some MU2 research (specifically the -10 equipped Solitaire) and attempting to identify areas of concern regarding the airframe, engines, and general support for a fairly long-term ownership experience (5-10 years). This thread focuses on the current support status for the -10 engines. While I understand Mitsubishi provides world class support for the aircraft, and have read some great testimonials to this end (David K., etc), one area that seems troubling is long-term support for the "Mitsubishi configuration" TPE-331-10s. I emailed Honeywell directly to learn a little about support options for the -10 engines. When I asked if new -10 engines are available for the MU2, I was told: Quote: Hi Rob,
I spoke with one of our tech sales and he advised me that, at this time, we do not manufacture a Mitsubishi configuration -10 engines. We do manufacture other configuration -10's, but they would not be compatible with an MU-2.
Thank you again for you interest. Perhaps the fact that the MU-2 -10 is not longer manufactured is well known by the MU2 community, but I thought I would just share that as it was news to me. When I asked about support, parts, etc... for the current generation of MU-2 configuration -10 engines I was deferred to Intercontinental Jet Services: Quote: Hi Rob,
Please contact Intercontinental Jet Services, and talk to Mark James. ICJ is Mitsubishi's corporately-owned service center, and they're Honeywell authorized for engines. While I have no problem reaching out to learn more about what ICJ has to offer, Honeywell's response was a bit concerning to me for a couple reasons... Current MU2 -10 owners/operators, how do you plan to maintain your -10 engines for the next 10-20 years? How many overhaul cycles can one of these engines endure (or does it not matter)? Should the fact that Honeywell no longer seems to directly support the engine (and does not manufacture them) be troublesome? Has procuring parts ever been an issue? Thanks, Rob
_________________ PLANELOGIX: Always online and available. Aircraft record ecosystem https://www.planelogix.com
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Post subject: Re: MU2 Honeywell TPE-331-10 No Longer Manufactured... Optio Posted: 14 Mar 2018, 16:11 |
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Joined: 12/12/10 Posts: 275 Post Likes: +57 Company: PLANELOGIX Location: KRDU
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Thanks guys. Both of these points help assuage my concerns. Adam, I'm glad you mentioned the point about there being a difference between "not manufacturing" vs. providing rotable parts. The thought crossed my mind, but I was somewhat discouraged by their response of differing to ICJ for parts availability information when I asked if Honeywell was still providing parts for these engines. My question to them was: Quote: What about support for the Mitsubishi MU2 -10 engines? Are parts available? [Is Honeywell support for these engines] being phased out?
I'd like to assume you are correct. I'm planning to contact ICJ and I'll provide and update on this thread with what I find out.
_________________ PLANELOGIX: Always online and available. Aircraft record ecosystem https://www.planelogix.com
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Post subject: Re: MU2 Honeywell TPE-331-10 No Longer Manufactured... Optio Posted: 15 Mar 2018, 09:23 |
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Joined: 12/03/14 Posts: 19252 Post Likes: +23622 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: I'm pretty sure the -10T is still made, but I could be wrong. The MU2 uses three -10 variants: -10 (Solitaire, Marquise), -10AV (J, K, L, M upgrades), and -10T (N, P upgrades). Parts and service are no problem, it is just that Honeywell doesn't have new engine in those configurations in the order book. It is hard to imagine someone needing a new one outright. I suspect if you go ask PWC to buy a new PT6A-21, they might not have that in the order book, either. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: MU2 Honeywell TPE-331-10 No Longer Manufactured... Optio Posted: 15 Mar 2018, 09:28 |
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Joined: 12/03/14 Posts: 19252 Post Likes: +23622 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: Current MU2 -10 owners/operators, how do you plan to maintain your -10 engines for the next 10-20 years? Absolutely. Honeywell has been making improvements and changes, like the improved burner cans often evident on the Conquests (yielding 7000 TBO). Quote: How many overhaul cycles can one of these engines endure (or does it not matter)? Effectively infinite. The key parts, turbine wheels, stators, combustor, are still being made new and put in new engines (like for the Predator). Quote: Should the fact that Honeywell no longer seems to directly support the engine (and does not manufacture them) be troublesome? Has procuring parts ever been an issue? Honeywell supports the engines through the engine shops. I don't think it was different 15 years ago. Mike C.
_________________ Email mikec (at) ciholas.com
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