LHR-524 - British Airways Boeing 757-236 - G-CPET (Msn 29115 Ln 798) in the Retro Scheme applied to recognise the B757’s long service with BALHR-524 - British Airways Boeing 757-236 - G-CPET (Msn 29115 Ln 798) in the Retro Scheme applied to recognise the B757’s long service with BA