An essential operating or maintenance pro-
cedure, condition, or statement which must
1-3. GENERAL INFORMATION.
a. This manual covers only maintenance test flight of
the AH-64A helicopter and in no way supercedes any in-
formation contained in TM 1-1520-238-10 or -CL, but is to
be used in conjunction with the -10 or -CL. For the pur-
pose of maintenance test flights only, this manual satisfies
all the requirements of the -CL from INTERIOR CHECK
through ENGINE SHUTDOWN.
b. Crew requirements will be specified in
TM 1-1500-328-23 and TM 1-1520-238-10.
c. The duration of a general or limited test flight will be