13 Nov 2025, 07:33 [ UTC - 5; DST ]
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Username Protected
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Post subject: Re: MU2 Icing Emergency Posted: 18 Oct 2011, 10:11 |
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Joined: 02/17/10 Posts: 148 Location: Council Bluffs, IA
Aircraft: Mooney Bravo
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Rick,
I agree. One must pay attention to the deck angle on climbing out. I maintain 120knots when I hit ice as in to prevent any chance of the fluid not making it to the underside of the wing. As much as I like the Mooney installation, I will have to say that the latest one from Cirrus is probably their best yet. Much larger panels.
The ultimate combination would be TKS with some sort of leading edge initial heating to help shed the ice in the first place and then allow to take over TKS will not, and I repeat, will not remove ice that has already formed in less than 30 minutes of flight time nor will it prevent additional ice from forming. Don't ask me how I know. Now I make sure to prime the system on the ground and keep it on until on top. I don't fly with it if I cannot top the clouds during cruise portion of the flight so actually icing is more of a problem in spring/fall time than winter. So with my Eagle/Ovation 3, that meant about 14,000. Hence the new Bravo hopefully to be delivered this weekend. Should open up altitudes with tops up to about 20K. I don't really see myself flying unpressurised over 22K, that's were the death zone really begins.
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Username Protected
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Post subject: Re: MU2 Icing Emergency Posted: 18 Oct 2011, 16:42 |
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Joined: 12/16/09 Posts: 7310 Post Likes: +2179 Location: Houston, TX
Aircraft: BE-TBD
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Username Protected wrote: Superb coordination between the controller and pilots! fixed it for ya.  This is one of those instances where 2 guys up front make a HUGE difference. Could you imagine handling that one single pilot 
_________________ AI generated post. Any misrepresentation, inaccuracies or omissions not attributable to member.
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Username Protected
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Post subject: Re: MU2 Icing Emergency Posted: 18 Oct 2011, 20:51 |
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Joined: 12/10/07 Posts: 14714 Post Likes: +4395 Location: St. Pete, FL
Aircraft: BE 58
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Username Protected wrote: Back in my early flying days, I made an approach into Asheville, NC. The cloud layer started about 1,500 down to minimums. As soon as I hit the clouds the windshield immediately iced over with about 1/2 inch of ice. I had zero forward visibility. I asked the seasoned pilot with me in the right seat what I should do. He says "open the little window on the side, crab the aircraft enough while flying the needles down to the runway. Just before touchdown straighten out the plane". Dang if it didn't work!
Don't try that at home! Rick you could also stick your hand out that side widow and use your wife's credit card to scrape a small hole to see through. Be careful you don't drop your wife's credit card????
Yea,
I've promoted the credit card for deice for a long time. Use VISA, for everything else there's Mastercard.....
_________________ Larry
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Post subject: Re: MU2 Icing Emergency Posted: 19 Oct 2011, 01:30 |
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Joined: 04/19/09 Posts: 383 Post Likes: +168 Location: Montego Bay, Jamaica W.I. (MKJS)
Aircraft: Baron B55/Cessna 140
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Tj,
I would add to that a minimum of 180kts while in icing conditions in the Mits. Any lower than that it was our company policy to exit icing conditions and if encountering severe icing once the speed decayed below 150kts to declare an emergency.
Thats the second dual flame out event on a Mits in Icing, the first was on approach into TUL in 1983, it became an AD to safety wire the inlet heat which prior to that didn't have any such requirement.
The company flew 36 Mu-2's on the FRB check runs & USPS mail runs across TX, OK, AR, KS, NM and LA. We consistently were the flights used to test the weather and ride for airliners in an out of DFW, HOU, SAN, TUL, LIT and OKC ( Tornado Alley) so much so the callsign was changed from "Central Stage" to "Rough Rider" which I believe is still in use.
Nigel
Last edited on 19 Oct 2011, 02:42, edited 1 time in total.
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Post subject: Re: MU2 Icing Emergency Posted: 19 Oct 2011, 02:15 |
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Joined: 03/23/08 Posts: 7357 Post Likes: +4090 Company: AssuredPartners Aerospace Phx. Location: KDVT, 46U
Aircraft: IAR823, LrJet, 240Z
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Yes to the 180kts indicated in icing. But I didn't want the "regular people" to think we were just bragging for no reason.  It is Beechtalk afterall. However the historic Beech / Mits relationship is real. Tj
_________________ Tom Johnson-Az/Wy AssuredPartners Aerospace Insurance Tj.Johnson@AssuredPartners.com C: 602-628-2701
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Post subject: Re: MU2 Icing Emergency - Why? Posted: 19 Oct 2011, 05:09 |
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Joined: 08/09/08 Posts: 1587 Post Likes: +219 Company: Future Health Location: Sydney, Australia (YSBK)
Aircraft: 1967 Debonair C33
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Username Protected wrote: I am a relatively low time Mu2 pilot with maybe 200 hours in the Mu2. Been through Initial and Recurrent training and have another Recurrent pending in 30 days.
Big proponent of doing it EXACTLY like they tell you to in this airplane. Do exactly like the book says. Its just that kind of airplane.
Before entering a runway for takeoff we use the "I-Five-Bleeds-High" mnemonic flow and backup with FAA required checklist. I = Ignition to AUTO 5 = Elevator trim 5 units 4 = Aileron trim 3 = Rudder trim 3 units 2 = Two-wenty degrees flaps 1 = 100% RPM Bleeds = Bleed air considered for takeoff performance High = hand moving vertically up the stack to transponder, radar, radios, lights and heats which are overhead - Review checklist and pull onto the runway (takes 10 seconds to do this pre-lineup thing) The flow of this mnemonic is very easy with the panel layout.
Visible Moisture Engine Anti-Ice to ON Actual icing conditions Ignition goes to CONTINUOUS.
With Ignition Continuous and Engine anti-ice on before ice buildup the flameouts don't happen. Problem comes if ice builds up and then you turn on the heats and send the ice-water through the engine without Ign On.
Nothing specific to the Mu2 here. Palm 90 comes to mind.
As an Ambassador of the Mu2 I hope you don't mind me expressing my procedure with respect to this particular issue.
Tj The MU is an amazing bird. My dream airplane which I hope is my next Your words are inspiring. Training, where did you do yours??
_________________ AWOL-l- in the FL's \_____O("")O_____/ ........00 0 00 CPLA CPLH CFI US CAN OZ licence
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Post subject: Re: MU2 Icing Emergency Posted: 19 Oct 2011, 11:22 |
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Joined: 12/10/07 Posts: 35869 Post Likes: +14288 Location: Minneapolis, MN (KFCM)
Aircraft: 1970 Baron B55
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Username Protected wrote: Yeah, that put a lump in my throat as well. I can imagine one's butt sucking up the seat cushion when faced with a 4000 FPM descent in IMC over the mountains.
_________________ -lance
It's easier to fool people than to convince them that they have been fooled.
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