USAAF Booklet of Flight Training Memoranda, 224th Base Unit Sioux City 1944-5 Dinah Reconaissance At its top datum

At its top datum

The pressure differential between the impact and the static pressure operates the airspeed indicator

With 11 sections plus index

A-26 Invader

USAAF Booklet of Flight Training Memoranda, 224th Base Unit Sioux City 1944-5 Dinah Reconaissance At its top datumThis is an original WWII era US Army Air Force booklet of memoranda published by the command in charge of B 17 pilot training at the 224th Base Unit Sioux City Iowa. The 1 2 inch thick booklet is a compilation of directives issued during 1944 45 to pilots regarding B 17 flight procedures. It provides great insight into what was important to know about flying and training on the B 17 during that period. It is in good condition given its age. The cover