Albatross: move to the attic, superseded by HU-16A-Albatross.
ATR-72-500: add /sim/model/fallback-model-index.
BombableV5.0.2 : change for the F6F
Grumman F6F Hellcat : Improved Bombable Compatibility V5.0.
Grumman F7F Tigercat : Added AI version. Compatibility with Bombable V5.0
