i realy like this topic !
it reminds me a lot of films i saw in the past - long long ago sometimes and therefore forgotten by myself till now
another one i remember is "Darling Lili"
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It made use of Lynn Garrison’s aviation facility at Weston Aerodrome, Leixlip, Ireland. This collection of World War I replica fighter aircraft, facilities and support equipment was originally put together in support of 20th Century Fox’s 1966 film The Blue Max. The aerial fleet included a sole Caudron 277, two Fokker DR 1s, three Fokker D VIIs, two Se 5as and two Pfalz D IIIs (all full-scale replicas). In addition, the studio contracted with Slingsby Aircraft Ltd to build six 7/8th scale SE 5s (the "Mini SE 5").[1] The Paramount production utilized the assembled aircraft for thousands of flying hours and accumulated hundreds of hours of aerial footage. Pilots were drawn from the Irish Air Corps and civilian circles.