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ACRO E-mail Archive Thread: [Acro] Re: Aerobatics Now Illegal In Canada

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ACRO E-mail Archive Thread: [Acro] Re: Aerobatics Now Illegal In Canada


Thread: [Acro] Re: Aerobatics Now Illegal In Canada

Message: [Acro] Re: Aerobatics Now Illegal In Canada

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

From: "Andrew Boyd" <aboyd at>

Date: Sat, 06 Apr 2002 12:48:25 UTC


  Continuing through the looking glass, with it's usual regard for
the taxpayer's dollars, Transport Canada Aviation Enforcement
is paying for a substantial number of American aerobatic
pilots to travel to Ottawa to discuss this bizarre interpretation
of the Canadian Aviation Regulations.

aboyd at

----- Original Message -----
From: "Max Braude" <skybird at>
To: "Andrew Boyd" <aboyd at>; "IAC Acro List" <acro at>
Sent: Friday, April 05, 2002 11:35 PM
Subject: RE: [Acro] Aerobatics Now Illegal In Canada

> Lets give 3 cheers to the beaurocrats
> Again
> Max Braude
> skybird at
> -----Original Message-----
> From: Andrew Boyd [mailto:aboyd at]
> Sent: Saturday, April 06, 2002 1:04 PM
> To: IAC Acro List
> Cc: aboyd at
> Subject: [Acro] Aerobatics Now Illegal In Canada
> According to Canadian Aviation Regulation (CAR) 602.27(c) flight
> visibility of 3 miles is required to perform an aerobatic maneuver in
> Canada.  Ok.
> According to CAR 101.01(1) Flight Visibility is defined as "the visibility
> forward from the cockpit of an aircraft in flight".  Sure.
> So far, so good.
> However, I have in my possession a statement by a Transport Canada
> (think Canadian FAA) Enforcement Supervisor that this 3 miles flight
> visibility
> out the front cockpit must be available DURING EVERY INSTANT of an
> aerobatic maneuver.
> Let's think about the implications of this for a moment.  If we commence
> vertical aerobatic maneuver - say, a loop - at the minimum altitude
> specified
> by CAR 602.27(d) - 2,000 AGL - then if our loop has a diameter of 1,000
> then when we are 2,500 AGL we can reasonably expect to be vertical,
> straight up.
> At this instant, according to Transport Canada Enforcement, we still need
> 3 miles flight visibility.  This means no cloud ceiling less than 3 miles
> 18,000 feet directly above us.
> So, to perform a loop in Canada, you now need a cloud ceiling of at least
> 2,500 + 18,000 = 20,500 AGL.
> Passing through the inverted, life is good.  We have 3 miles flight
> visibility
> horizontally.
> However, things get sticky on the vertical downline of our nice round
> At 2,500 AGL we can logically be expected to be pointed straight down
> at the ground.
> Oops.  Transport Canada Aviation Enforcement wants us to have 3 miles
> flight visibility at this instant, too, and we only have 2.500 feet (to
> ground)
> or less than 1/2 mile.  That's IFR, according to Transport Canada Aviation
> Enforcement.
> So, on the vertical downline, we need to have 18,000 feet between us and
> the ground.  This means that we must now commence a loop in Canada at
> no lower than 17,500 AGL.
> Oops.  If we start a loop at 17,500 AGL we now need to have a cloud
> of no less than 36,000 AGL.
> Of course, we will also need oxygen for the pilot, and a turbocharger for
> the
> engine, and a waiver for the class A airspace that we will be in, VFR
> performing
> aerobatics to keep Transport Canada Aviation Enforcement happy.
> The above being perhaps theoretically possible, but practically unlikely,
> aerobatics - at least, aerobatics involving vertical lines - are now
> effectively
> illegal in Canada, unless you wish to run afoul of Transport Canada
> Enforcement, which is really not a good idea.
> Looking on the bright side, I guess you can still do a steep turn with
> than
> 60 degrees of bank, though.
> --
> aboyd at   ATP


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