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18 Nov 2025, 16:15 [ UTC - 5; DST ]


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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 20:30 
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Joined: 12/03/14
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Company: Ciholas, Inc
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Username Protected wrote:
Mike, you're never going to have a 100kt headwind in a piston. Days like that are when a piston is better than a turbine - you can go lower and stay below the really nasty winds.

Well, sort of.

If it is 100 knots at 20K, then you are usually going to get 30-40 knots at 6K and it can be often bumpy down that low, so you have to slow up for turbulence and the advantage is lost. Your true airspeed also goes down with altitude.

If you are flying over terrain, say Boise to Denver, you don't want to be too close to the rocks where it is really bumpy so you have to be clear of them enough that you get into the real wind.

My plane is about 100 knots faster than yours, so when I have a 100 knots on the nose, that is the same as no wind in a 421.

The lowest cruise ground speed I've had is 180 knots. I was at 16K, doing 308 knots true, going at max performance. If I had a 421, it would have been at 6K where the wind was a paltry 60 knots, so a 421 is doing about 130 knot ground speed at that altitude, if it isn't bumpy.

There is no altitude where a 421 is better than my plane in a headwind.

Mike C.

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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 20:31 
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Username Protected wrote:
We routinely make the trip faster and with less stress than commercial.

A Cessna 182 can do that. :-)

Mike C.

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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 20:39 
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Username Protected wrote:
I'm 6' 6" and had to modify the 421 seat for me to fit comfortably in the pilot's seat. Could I fly a MU-2? Could it be modified to fit me?

I'm 6'2". Another MU2 pilot I know is 6'5".

When I bought the airplane, I had extended seat tracks installed as the taller pilot said this was the key to making it work for him. It also allows the copilot's seat to be pulled further back in case a non pilot is sitting there.

Turns out that I fly with the seat in what would have been the last factory notch, so I didn't need the extended seat tracks. But I do like the copilot room they provide.

There's only one way to really know, go sit in one. Your welcome to try mine on if you are in the area.

BTW, the plane the tall pilot was flying is for sale:

http://www.controller.com/listingsdetai ... 375663.htm

This is a VERY nice airplane, nicer than mine, well kept. Has extended seat tracks!

Mike C.

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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 20:45 
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Joined: 07/11/11
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Location: Woodlands TX
Aircraft: C525 D1K Waco PT17
Username Protected wrote:
Mike - Why does every thread about any airplane have to turn into a dissertation on why the MU-2 is better than anything else? There are probably 200 MU-2's flying - maybe a few more. What would the rest of us fly once the ones in existence are all bought out?


Huh? He was talking about the 421 primarily and also referenced numerous other aircraft. I certainly appreciate the perspective. Thanks Mike!


Nishant - I didn't mean to be disrespectful to Mike or deserving of your negative feedback.

The OP was asking about the C421 range - period. He probably has or is considering one and is not considering a turboprop and that is fine. There is no doubt the MU-2 is a capable and good airplane, but for God's sake - I go into a Turbo Commander, Citation, King Air, Meridian, TBM, PC-12, etc, etc, thread and I have to read through diatribe after diatribe about why the MU-2 is the best option and why it is the choice of super pilots and anything other than that is bad or dumb. MU-2's are good airplanes. If you want to discuss them, start a thread or go into the MU-2 forum and go at it. We are all anxious to justify our choices, but this is going overboard.

:pullhair:

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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 20:53 
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Username Protected wrote:
The OP was asking about the C421 range - period.

No complaints about mentioning a 441, Merlin, or Commander. Hmmm.

Seems someone has a double standard.

Mike C.

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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 21:03 
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Username Protected wrote:
The OP was asking about the C421 range - period.

No complaints about mentioning a 441, Merlin, or Commander. Hmmm.

Seems someone has a double standard.

Mike C.


No double standard Mike. I've just read before how the MU2 is better than the Conquest and Commander. I don't recall the Merlin. I have no bone to pick with you, but this was a 421 thread that drifted into a MU2 thread. Whatever.

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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 21:34 
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Username Protected wrote:
I've just read before how the MU2 is better than the Conquest and Commander.

Not on a 1300 nm flight as I said:

"Considering that you will face headwinds often, if you really have a 1300 nm trip you need to make reliably, then a 421C won't do it, nor will any MU2. You need Cessna 441, Commander 1000, Merlin, etc."

Quote:
this was a 421 thread that drifted into a MU2 thread.

MU2 is the answer to "how much performance can I buy for 421 money?".

Mike C.

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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 23:09 
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For folks who say 1300nm not good in a piston, I have done in all conditions both directions in my Malibu (non stop always east bound and occasionally west). Never had a bad trip, though some take longer than others.

WAs just curious if any other piston could pull it off ns. Thought a 421 might. hopefully I figure out how to put a turboprop in the hanger soon.


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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 23:28 
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Username Protected wrote:
For folks who say 1300nm not good in a piston, I have done in all conditions both directions in my Malibu (non stop always east bound and occasionally west). Never had a bad trip, though some take longer than others.

The 421 will be slightly faster than your Malibu, carry a bit more, and have a bigger cabin. Otherwise, it is not materially different in capability than a Malibu in terms of its speed/range/altitude/weather capability. It will take a lot more money to run, but otherwise not really change your life.

Mike C.

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 Post subject: Re: C421 max range
PostPosted: 24 Oct 2015, 23:35 
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Joined: 11/09/13
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Location: KCMA
Aircraft: Aero Commander 980
Several models of commander can do that not just the 1000

840,980,900, and a 690 with aux tanks.


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 Post subject: Re: C421 max range
PostPosted: 25 Oct 2015, 01:21 
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Joined: 04/26/14
Posts: 1730
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Location: Phoenix, Arizona
Aircraft: Dreaming
Username Protected wrote:
The OP was asking about the C421 range - period. He probably has or is considering one and is not considering a turboprop and that is fine. There is no doubt the MU-2 is a capable and good airplane, but for God's sake - I go into a Turbo Commander, Citation, King Air, Meridian, TBM, PC-12, etc, etc, thread and I have to read through diatribe after diatribe about why the MU-2 is the best option and why it is the choice of super pilots and anything other than that is bad or dumb. MU-2's are good airplanes. If you want to discuss them, start a thread or go into the MU-2 forum and go at it. We are all anxious to justify our choices, but this is going overboard.


A question was posted about a C421 doing 1300nm. The consensus is no. Mike chimed in with some alternative aircraft that could do that mission that cost almost the same to operate as a C421. It was a reasonable continuation ("thread drift") to the question. When did it become a bad thing to make a reasonable suggestion? Anybody considering a C421 should also be considering a turboprop. That is good advice.

I think you're taking things too personally, and frankly, acting like a bully. If you don't like Mike's post go ahead and scroll past it. It's not your place to censor contributors. You may not value the perspective but others do.


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 Post subject: Re: C421 max range
PostPosted: 25 Oct 2015, 10:10 
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Joined: 06/27/08
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I have about 400 hrs in a 1982 Cessna 421C. It had standard fuel tanks.

My longest flight was from Flagstaff to Chicago Midway with a very healthy tailwind. I think that was about 1200nm.

From what I recall, I basically would get about 195 knots at 32 GPH lean of peak.

I actually flew the 421 out Ada Oklahoma for the advanced pilot seminar to hone my knowledge of lean of peak flying. I ended installing the GAMI injectors and nice engine monitor. That was all very worthwhile to do IMHO.

It was a great plane.

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 Post subject: Re: C421 max range
PostPosted: 25 Oct 2015, 19:46 
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Joined: 08/21/14
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Location: KPDK
Aircraft: C421B MU2-40 Solitai
I had a 421 for several years. It only had 222 gal, and I found that it was good for 800nm with an hour reserve. I know you can squeeze more out of it, but realistically, I found with no wind at FL170-180, during the 1st hour, you would go about 175nm, burning 50-52 gal, thereafter, cruise would be 207 ktas, burning 43gph.

Now I have an MU2 Solitaire. Comparing the 421 to the short MU2, is performance vs comfort. If 200-210 ktas in a piston plane is ok for you there is no comparison. The 421 is 10 times more comfortable. There is no way one can say siting in a short MU2 is comfortable. The pilot seat is very upright and doesn't articulate at all. The rear bench is also upright and uncomfortable. The long body MU2 does offer better comfort options for passengers. That being said, getting places 33% faster plus all the other benefits of a TP, make the MU2 worth it.

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 Post subject: Re: C421 max range
PostPosted: 26 Oct 2015, 12:18 
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I have to agree that the pilot seat in the 421 is great. It's offset a little from the side giving you great elbow room and a feeling of space.

Doesn't the couch on the MU-2 recline?


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 Post subject: Re: C421 max range
PostPosted: 26 Oct 2015, 13:06 
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Location: KPDK
Aircraft: C421B MU2-40 Solitai
I have a short body and the rear bench does not recline. Only the rear facing seats recline.

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