Originally Posted by
DaveReidUK
The plate covers the cutout in the rudder leading edge where the centre hinges are located.
The tail markings are of course the last remains of the original BMA scheme inherited from Derby Airways (as worn by the Argonauts).
Yes, the tails had DA then later BM vertically supposed on the fin - Argies, Viscounts and Dart Heralds
The ''new'' logo is now shown here on the tail (used on the Viscounts, new 1-11's 707's and DC-9's until 1986 - plus the smaller Shorts and F27 )
but that was not how the logo was ultimately applied...