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09 Nov 2025, 21:43 [ UTC - 5; DST ]


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 Post subject: Re: SETP "safety"
PostPosted: 31 May 2018, 20:58 
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Joined: 10/05/09
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Location: Charleston, SC (KJZI)
Aircraft: Phenom 300, Bell 505
Come on man … this is prime opportunity to talk her into a jet; two engines! Worked for me! :thumbup:


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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 06:25 
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Location: KHPN
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Username Protected wrote:
Come on man … this is prime opportunity to talk her into a jet; two engines! Worked for me! :thumbup:
I explained twin jet safety to her and she liked it. Unfortunately a jet doesn’t fit our mission. We’re doing mostly 2-300 nm trips in the northeast. We’ll get killed with low altitude circuitous routings. Still hurts, but not as bad, in the Meridian.


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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 09:11 
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Joined: 12/19/09
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Company: Premier Bone and Joint
Location: Wyoming
Aircraft: BE90,HUSK,MU-2
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Marc’s on the money now! My wife is asleep by 5000’ in climb and wakes up when we start the descent. Sitting in Back right seat where I can see her and she has plenty of room, pillow and blanket when needed.

She prefers to never ride commercial again, hate to say it but that may be in the cards a lot.


That has been my experience exactly. In the T210 my wife sat up front, helped with navigation, calling out traffic and essentially served as a PNF. In the Aerostar she took the Pinch Hitter course and tried to understand the autopilot and systems. In the MU-2 she took one look at the panel and ensconced herself on the couch in the cabin with a book, pillow and blanket. She is now a much happier passenger. We have had a couple engine failures in piston twins. She will not ride in a single at night, chute or not. And for other reasons, she doesn’t like to fly in our Husky bush plane “planes are for transportation, not sport, I don’t want to fly in your paper airplane.”

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Thomas


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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 10:35 
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Joined: 08/16/15
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Location: Ogden UT
Aircraft: Piper M600
Username Protected wrote:
Put her in the back of the Meridian at FL280 on a 3 hrs flight and she wont want to fly in the Cirrus anymore.
That’s my plan. I hope it works.


The PT6 has a MTBF of at least 350,000 hours, but just to put yourself at ease, at altitude pull the torque back to 150 ft.lbs. That will simulate a feathered prop, and then look at the flight attitude, and how ridiculous the glide is. You will never be out of glide range to a landing spot in the NE. Your biggest decision is deciding what state to land in, where the best on field service is, and the airport with the best on field restaurant. ;)

Seriously, there has never been an engine related fatal in a Meridian. I do practice engine emergencies, as I think any pilot should regardless of number of engines, but the plane is such a good glider, that finding a place to land if you ever did have the highly improbable event to lose an engine is a very high yield event with reasonable training.
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Chuck Ivester
Piper M600
Ogden UT


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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 10:47 
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Username Protected wrote:
[
The PT6 has a MTBF of at least 350,000 hours.


That's great for the engine core. I'm also concerned about mundane things like oil lines, FCUs, oil pump, fuel pump. When those pesky things fail, I have been told that it doesn't count as an engine fail. Anybody else hear that?

That said, overall it is very reliable. I have even got comfortable.
Engine failure enroute, it is a long glide down, you can cover a lot of miles. Even have time to eat a sandwich.

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Education cuts, don't heal.


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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 11:08 
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Joined: 12/03/14
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Company: Ciholas, Inc
Location: KEHR
Aircraft: C560V
Username Protected wrote:
The PT6 has a MTBF of at least 350,000 hours,

PWC has computed these numbers based on the core engine. They tend to not include failures of "accessories" such as fuel pumps, fuel controllers, prop governors, etc. Unfortunately, those items are the majority of engine failures.

PT6 engines fail, or rather, a PT6 equipped airplane loses thrust, far more often than once every 350,000 hours.

Quote:
You will never be out of glide range to a landing spot in the NE.

That is obviously false. In many, perhaps most cases, an engine failure just after takeoff presents you no options to land on a runway.

Will it make a 3 degree glidelsope engine out? That's would be unusual if it can, so you are too far from the runway to make it on most instrument approaches, too.

Quote:
Seriously, there has never been an engine related fatal in a Meridian.

This one might be such a case:

https://app.ntsb.gov/pdfgenerator/Repor ... l&IType=FA

"During the takeoff, the engine seemed to operate at a steady level, but appeared to be low on power. The flight lifted off about halfway down the runway and the landing gear was retracted. The airplane climbed slowly and turned slowly to the left. The airplane then entered a 60-80 degree left bank followed by the airplane rolling level and the wings rocking back and forth. The airplane was now on a southerly heading and the nose dropped. The airplane then collided with trees about 15-20 feet above the ground, fell to the ground, and burst into flames."

"Additional evidence was found indicating electrical arcing and progressive fatigue cracking in the engine’s P3 line, which could result in a rapid rollback of engine power."

Again, not enough altitude to glide to a runway.

Mike C.

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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 11:16 
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In this case if it were a P3 rollback the MORE lever would have restored power.


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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 11:31 
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Username Protected wrote:
In this case if it were a P3 rollback the MORE lever would have restored power.

A great many engine related accidents would have been prevented if the pilot had done ____________. Yet, that still makes them engine related accidents.

Mike C.

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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 11:37 
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Joined: 12/19/09
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Company: Premier Bone and Joint
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Aircraft: BE90,HUSK,MU-2
We’ve had a PT-6 fail. It’s not common, but it happen.

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Thomas


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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 12:10 
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Joined: 12/19/11
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Company: Bottom Line Experts
Location: KTOL - Toledo, OH
Aircraft: 2004 SR22 G2
Dennis, I could have just about written your first post myself. I had spoken to my wife about selling my G3 SR22T and getting a Meridian or Jetprop. She was OK with it until I put the Cirrus up for sale and she then reacted identically to your wife. My kids and wife all REALLY like flying in the Cirrus. Rather than continue to rationalize or fight it, I decided to sell the G3, get a G5 and use it for my business trips and for the family trips as well. My plan is to put together a partnership in a tprop or light jet at some point in the future and continue to use the SR22 for family or wife trips. Perhaps her perspective will change in the future, perhaps it won’t. I simply elected to put her needs and wishes first, rational or not.

Down side:
I’m flying slower than I’d like and am having to deal with high altitude issues without pressurization. Although I’m finding ways to manage it, it can be very fatiguing.

Up side:
I’m still flying a very nice, reliable bird, accomplishing my business missions with almost 100% effectiveness, my wife is happy and comfortable, my kids are comfortable and my wife actually ASKS me to go flying which she NEVER did before. She grins ear to ear when she flies now and if you knew her, you’d realize what a substantial difference that is from any other airplane I’ve ever flown.

I can deal with the down sides for now.

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Don Coburn
Corporate Expense Reduction Specialist
2004 SR22 G2


Last edited on 02 Jun 2018, 12:22, edited 1 time in total.

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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 12:11 
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Username Protected wrote:
In this case if it were a P3 rollback the MORE lever would have restored power.

A great many engine related accidents would have been prevented if the pilot had done ____________. Yet, that still makes them engine related accidents.

Mike C.

Engine related - Yes, but it was the pilot that prevented a better outcome. Running out of fuel is engine related, but neither are a true failure of the engine. Needing the MORE lever is similar to needing to turn off a misfiring magneto on a piston engine.

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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 13:19 
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Username Protected wrote:
Engine related - Yes, but it was the pilot that prevented a better outcome.

That is true of the vast majority of engine related accidents.

For example, every Vmc rollover in a twin falls into that category.

Not using the MORE lever is a training/execution failure.

Not maintaining control of a twin one engine out is a training/execution issue.

Mike C.

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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 18:04 
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Joined: 12/10/07
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Location: Minneapolis, MN (KFCM)
Aircraft: 1970 Baron B55
Username Protected wrote:
Mike, in the spirit of possibly saving you the $$$ I spent on marriage counseling, please write this down:

Using logic, no matter how sound, to address a woman's feelings is an effective way to sway her to your point of view...oh...never.

"I used this sound logical argument to convince my wife that her feelings made no sense" is a statement made by...no man, ever. Oh, some men think they won her over. Those men are wrong about that too.

Carry on.

Russell you're living up to your last name here.

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-lance

It's easier to fool people than to convince them that they have been fooled.


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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 20:25 
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Joined: 11/15/17
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Company: Cessna (retired)
Username Protected wrote:
[
The PT6 has a MTBF of at least 350,000 hours.


That's great for the engine core. I'm also concerned about mundane things like oil lines, FCUs, oil pump, fuel pump. When those pesky things fail, I have been told that it doesn't count as an engine fail. Anybody else hear that?

That said, overall it is very reliable. I have even got comfortable.
Engine failure enroute, it is a long glide down, you can cover a lot of miles. Even have time to eat a sandwich.


While working a proposal, I had occasion to get the actual shutdowns from the T-47 (Cessna 552) fleet from the maintenance source. It was something like 2-3 times what PWC was reporting. In addition to the issue of what PWC considers chargeable, they can obviously only report shutdowns they know about, which is not all of them.

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 Post subject: Re: SETP "safety"
PostPosted: 02 Jun 2018, 21:02 
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Joined: 11/20/16
Posts: 7179
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Location: Austin, TX area
Aircraft: OPA
Mike M. is a friend of mine. He was flying this Caravan when he lost power at night, put it down on a residential street, and came to a stop inverted on a lady's front porch with a broken arm.

PT6s do sometimes quit making power.

https://app.ntsb.gov/pdfgenerator/Repor ... L&IType=LA


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