Part No. Is AN 01-90k-KA-1 dated 25 May 1944 and revised 30 December 1944.  It is illustrated, has 50 pages and sections covering: Descriptions, Pilot Operating Instructions, Flight Operating Data, Emergency Operating Intructions, and Operational Equipment. and an Apendix covering Glossary of Nomenclature (U.S.A.-British) and Flight Operating Charts, Tables, Curves and Diagrams.