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RE: Letter from Francis Donaldson

Subject: RE: Letter from Francis Donaldson
From: andrew.robinson@barco.com
Date: Thu, 29 Oct 1998 21:18:44

> VNE
> 
> Please note that despite what figures you may see elsewhere, the Vne
> for the
> standard Europa as cleared by the PFA is that stated on the Permit to
> Fly, 150
> knots. We continue to receive flight test results from owners quoting
> the
> aeroplane as having been flown to 165 knots. The design submission for
> the
> standard Europa has been based around a 150 knot Vne and PFA has not
> cleared
> the aircraft for flight at higher speeds. Whilst the prototype flight
> testing
> has proven the aeroplane to be flutter-free at 10% higher airspeeds,
> so as to
> ensure an adequate margin of safety, there is no guarantee that a
> homebuilt
> will exactly replicate the characteristics of a prototype. Owners must
> check
> that their cockpit placards and airspeed indicator 'red lines' reflect
> the 150
> mph Vne and observe this limit in flight. 
> 
> 
        You start off using knots, and then in the last sentence use
mph.
        Which is it?

        Andrew


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