Acro Image

Aerobatics Server

ACRO E-mail Archive Thread: [Acro] Re: Aerobat acro (new subject name)

[International Aerobatic Club] [Communications] [Aerobatics Images]

Disclaimer: These aerobatics pages are developed by individual IAC members and do not represent official IAC policy or opinion.

[Usage Statistics]


ACRO E-mail Archive Thread: [Acro] Re: Aerobat acro (new subject name)



                


Thread: [Acro] Re: Aerobat acro (new subject name)

Message: [Acro] Re: Aerobat acro (new subject name)

Follow-Up To: ACRO Email list (for List Members only)

From: "Jim Stasny" <staz at bellsouth.net>

Date: Fri, 27 Sep 2002 21:52:37 UTC


Message:

  What's a "Vertical Reversement"????

                                        Jim       IAC 1309


----- Original Message -----
From: "David Pilkington" <David.Pilkington at bigpond.com>
To: <acro at gf24.de>
Sent: Friday, September 27, 2002 6:41 AM
Subject: [Acro] Re: Aerobat acro (new subject name)


> From William Kershner's book, The Basic Aerobatic Manual, page 58:
> "The hammerhead stall or turn can be discussed in a general way, but the
> hammerhead is not an approved maneuver for the Aerobat."
>
> If you'd like to wade through the regulatory material, here's a summary.
>
> From Type Certificate Data Sheet No. 3A19:
> A placard is required to state that the following aerobatic maneuvers are
> approved for the A150K, L & M and A152 (1978 model): chandelles, steep
> turns, barrel rolls, snap rolls, loops, vertical reversements, lazy
eights,
> spin, aileron rolls, immelmanns, cuban eights, stalls (except whip
stalls).
> Inverted flight is prohibited.
>
> Now if I managed to get the Amendment status right, here's CAR 3 for the
150
> & FAR 23 for the 152:
>
> CAR 3.108 - A
> "It shall be demonstrated that acrobatic maneuvers can be performed
readily
> and safely. Safe entry speeds shall be determined  for these maneuvers."
> CAR 3.769 c
> Category A
> "A placard shall be provided in clear view of the pilot which lists all
> approved acrobatic maneuvers and the recommended entry speed for each. If
> inverted flight maneuvers are not approved, the placard shall bear a
> notation to that effect."
>
> FAR 23.3 Airplane categories.
> "(c) The acrobatic category is limited to airplanes intended for use
without
> restrictions other than those shown to be necessary as a result of
required
> flight tests."
>
> FAR 23.151 Acrobatic maneuvers.
> "Each acrobatic and utility category airplane must be able to perform
safely
> the acrobatic maneuvers for which certification is requested. Safe entry
> speeds for these maneuvers must be determined."
>
> FAR 23.1567 Flight maneuver placard.
> "(c) For acrobatic category airplanes, there must be a placard in clear
view
> of the pilot listing the approved acrobatic maneuvers and the recommended
> entry airspeed for each. If inverted flight maneuvers are not approved,
the
> placard must bear a notation to this effect."
>
> FAR 23.1583
> "3) Acrobatic category airplanes. For acrobatic category airplanes, the
> approved flight maneuvers shown in the type flight tests must be included,
> together with recommended entry speeds. A placard listing the use of the
> controls required to recover from spinning maneuvers must be in the
> cockpit."
>
> ----- Original Message -----
> From: <jeffery at texas.net>
>
> > The placards in the two Aerobats I've flown and their respective POH did
> not
> > list a hammerhead as an approved maneuver.  ............
>  I'll bet that the guru of Aerobat acro, Bill Kershner, would know.
> > Jeffery Poehlmann
>
> > > Cessna aerobat not approved for hammerheads?  Where does it say that?
> > >
> > > jeffery at texas.net wrote:
>
>
>



                


© Dr. Günther Eichhorn
Retired
Email Guenther Eichhorn