Does anyone know whether this document refers to the P-51K as the Mustang Mk.IVA? The question has been raised as to the historical origin of this term. Was it real or a postwar invention? The question was put to me from Steve Brooking, via Bob Sikkel. The earliest reference I can find in my books is the early 70s.
By: Graham Boak - 8th December 2014 at 22:14
Thanks. I did wonder whether the apparent absence might just be because “Mk.IV” was taken as including “Mk.IV” and “Mk.IVA”, but the lack of any direct reference to a Mk.IVA is indicative, I think. The use of a suffix in this manner is fairly (if not totally) unique among British designations; the suffix A on an American type in British service tended to mean that it was obtained under Lend-Lease
By: Rosevidney1 - 8th December 2014 at 21:30
Have just checked my collection but sadly cannot come up with the answer. The PN for the Mustang III was published in June 1944 but has a manuscript amendment on the front cover reading ( and IV ) and a further ( or Packard Merlin V-1650-7 ).
The US Dash one manual of August 1945 is for P-51D-5,-10,-15,20,25,-30 P-51K-1,-5,-10, -15 and British model Mustang IV. Nary a mention of a IVA.
By: TerryP - 8th December 2014 at 21:11
P51K – Mustang IV
This seems to imply that it might:
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December 8, 2014 at 5:49 pm