AVSIG: Center Line Thrust wwswsigarch.jpg (7236 bytes)

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Terry Carraway
Top Gun

Reged: 06/02/04
Posts: 7098
Loc: Maryland
Re: Center Line Thrust [Re: Rick Cremer]
      #421321 - 01/30/16 08:19 AM



This came up a number of years ago.

I think it was Rick Cremer who pointed out, the FAA considers any aircraft with fuselage mounted engines to be CLT.

I don't believe that "Rick Cremer" ever said that "the FAA considers any aircraft with fuselage mounted engines to be CLT."

I think that Rick Cremer would have said that the FAA's position is that the “Limited to Center Thrust” limitation is placed on a pilot certificate if the the airplane does not have a VMC speed published on the airplane’s Type Certificate Data Sheet (TCDS) or in an approved AFM/POH. A speed determined during the certification process as defined in FARs 23.51 or 25.105 and 25.107.

Rick Cremer knows, for example, that his DC-9 AFM has a published Vmc(a) and Vmc(g) speed. He also knows that the Cesnna 337 does not have a published Vmc speed.

According the FAA's current guidance in its inspector's FSMIS the following military aircraft have CLT restrictions:

a) T-2B/C Rockwell Buckeye.
b) T-37 Cessna 318.
c) T-38 Northrop Talon.
d) F-4 McDonnell-Douglas Phantom.
e) F-111 General Dynamics F-111.
f) F-18 Northrop-McDonnell-Douglas Hornet.
g) A-6 Grumman American Intruder.
h) A-10 Fairchild Republic Thunderbolt II.
i) F-15 McDonnell-Douglas Eagle.
j) F-14 Grumman F-14.
k) F-117 Lockheed Stealth.
l) F-22 Boeing/McDonnell F-22.

You may read that information here:


Best Regards

Rick Cremer

Thanks for the clarification.

Did you see where I posted data from the A-10 flight manual that, while it does not say Vmc, talks about loss of control under certain airspeed?

Mostly 0W3

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Randy Sohn
Gradn Exlated Ordre of teh Fyling Fingres

Reged: 08/31/01
Posts: 23187
Loc: Savage, MN - U.S.A.
Re: Center Line Thrust [Re: Terry Carraway]
      #421344 - 01/30/16 03:14 PM


loss of control

Heck man, at BPs today we discussed a few guys we know that can do that even without being in an airplane! <g>

best, randy

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