An operating procedure, condition,
which is essential to highlight.
3 . General Information.
This manual covers only maintenance test
flight of C-12C, C-12D, and C-12F aircraft and in no
way supersedes any information contained in TM 55-
1510-218-10 or -CL, but is to be used in conjunction
with the -10 or -CL. For the purpose of maintenance
test flights only, this manual satisfies all the require-
ments of the -CL from Interior Check through Engine
Crew requirements wiII be as specified in
4. Special Instructions.
a. Cargo and Passengers. Cargo and passengers
are prohibited on maintenance test flights.
b. Forms and Records. Forms and records will
be checked prior to the maintenance test flight to de-
termine what maintenance has been performed and the
type of maintenance test flight required (i.e general or
c. Configuration. The configuration of the air-
craft should be determined prior to each maintenance
test flight in order to determine performance parame-
d. Post Test Flight Inspection. A thorough visu-
al inspection will be performed to the extent necessary
to ensure that deficiencies or short-comings that may
have developed as a result of the maintenance test
flight are detected.
e. Reference. When a maintenance test flight is
required to ensure proper operation of a specific sys-
tem(s), refer to the applicable maintenance manual for
the Iimits of that system.
Asterisked Checks. An asterisk (*) prior to a
check requires that the test flight check sheet be anno-