Slingsby Petrel from 1939 and one of only 3 built. Part of the contingent from the Vintage Glider Club, some of which participated in the display on the following day. Registered as G-ALPP in May 1949 when the MoCA decreed that all sailplanes should receive Class A registrations, only for this decree to be rescinded around July 1950 (and revived in 2007!). Allocated BGA651 in July 1950. Subsequently to Ireland as IAC101, IGA101 and EI-101 before returning to the UK as BGA651. Current in 2024.

The first production Petrel from 1939 and one of only 3 built. Part of the contingent from the Vintage Glider Club, some of which participated in the Display on the following day. Allocated BGA418 in June 1947. To G-ALNP in April 1949 when the MoCA decreed that all sailplanes should receive Class A registrations, only for this decree to be rescinded around July 1950 (and revived in 2007!). Reverted to BGA418. To the USA in 2002. Eventually to the Western Antique Aeroplane & Automobile Museum in Oregon. Totally rebuilt and flew again in June 2017. Believed current in 2024.

One of two survivors of only three Petrels built, the other is BGA418 in Oregon. Current in 2023.

Only three petrels were built and this is one of the two survivors. It has been totally rebuilt, a project that took two years. The other is BGA418 with the Western Antique Aeroplane & Automobile Museum in Oregon