Further to the above, the Herald would have been D-BEBE (ex Bavaria) which was present from March-October 1970 (27/3/70 my first sighting, wasn't there on 22/3/70). Islander G-51-154 departed to Oxford on 3/4/70 along with G-AXXG, both had been parked outside the McAlpine hangar. Yellow Court Line 1-11 G-AXMH was delivered on 11/2/70.
D-BEBE 27/3/70
