23 Apr 2024, 16:58 [ UTC - 5; DST ]
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Post subject: Re: Cessna 421 value? Posted: 02 Feb 2019, 12:02 |
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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: The oil changes on a 1800-2000hr TBO piston engine will pay for the hot section inspection of a turbine. Just saying. :stir: ;) Yup. Piston owners see the HSI and OH costs and faint. But they aren't adding up all the "as you go" costs with piston engines which comes to a pretty tidy sum. There's a reason the airlines dropped piston transports as fast as they could and moved to jets, even the early inefficient and not that reliable jets. I believe I am getting my thrust in my MU2 for about the same cost per mile as the 421, all costs included, and that nets me 50% more speed. I was "this close" to buying a 421, it is the best piston traveling machine out there, and decided to skip that step and go turbine. I'm glad I did. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Cessna 421 value? Posted: 02 Feb 2019, 21:20 |
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Joined: 07/06/14 Posts: 3013 Post Likes: +1994 Location: MA
Aircraft: Cessna 340A
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Username Protected wrote: Nope, you have to do exhaust system inspection at that time, too, which includes a pressure test IIRC. No, the pressure test component of the exhaust AD is once per year. Every 50 hours the requirement is a visual inspection of the exhaust (which can still add up on its own).
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Post subject: Re: Cessna 421 value? Posted: 02 Feb 2019, 22:09 |
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Joined: 11/08/12 Posts: 12799 Post Likes: +5226 Location: Jackson, MS (KHKS)
Aircraft: 1961 Cessna 172
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Username Protected wrote: Nope, you have to do exhaust system inspection at that time, too, which includes a pressure test IIRC. No, the pressure test component of the exhaust AD is once per year. Every 50 hours the requirement is a visual inspection of the exhaust (which can still add up on its own).
So decowl completely?
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Post subject: Re: Cessna 421 value? Posted: 02 Feb 2019, 22:44 |
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Joined: 02/09/09 Posts: 5597 Post Likes: +2556 Location: Owosso, MI (KRNP)
Aircraft: 1969 Bonanza V35A
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Username Protected wrote: Every 35 hours when I change the oil we remove the top cowling “only”and visually inspect the exhaust and turbo etc.
It only takes a few minutes and is NOT a big deal. I believe all turbocharged planes should have a visual exhaust inspection at every oil change. Most, but not all are required every 50 hours or 30 days visual inspection by AD, or overhaul at 12 years... Just like your 421..
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Post subject: Re: Cessna 421 value? Posted: 02 Feb 2019, 23:25 |
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Joined: 10/07/18 Posts: 2691 Post Likes: +1798 Location: Columbus, Ohio
Aircraft: Baron 58, Lear 35
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Username Protected wrote: So decowl completely?
The cowling is the least time consuming part of a 421.
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Post subject: Re: Cessna 421 value? Posted: 02 Feb 2019, 23:35 |
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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: Every 50 hours the requirement is a visual inspection of the exhaust (which can still add up on its own). On a 421, that is no small effort. In any case, I think budgeting $1K per 50 hour servicing, oil change and all the other things, is not unreasonable. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Cessna 421 value? Posted: 03 Feb 2019, 08:12 |
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Joined: 01/31/10 Posts: 13101 Post Likes: +6970
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I can decowl a 421 in 5 minutes. Its nothing like a Baron.
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