SECTION II. MAINTENANCE TEST
G e n e r a l . This section contains the maintenance test
flight requirements peculiar to Army Models C-12C, C-
12D, and C-12F aircraft. The requirements contained
herein are established to ensure a thorough inspection
of the aircraft before flight, during flight and upon
completion of the maintenance test flight. The right
side of the checklist (troubleshooting reference) is cross
indexed to the troubleshooting guides contained in Sec-
tion III. A dash between references means "through";
and a comma means "and". The references list the pos-
sible abnormal conditions, indications or malfunctions
which could be encountered while performing the pro-
PRIOR TO MAINTENANCE TEST
Forms and records - Check.
*2. Weight and balance - Maintenance
test flights shall be flown with bal-
last if required to remain within
weight and center-of-gravity limits.
Refer to individual charts in Sec-
tion V for required aircraft weight
at time of test.
* 3 . Thorough flight readiness inspec-
tion in accordance with the re-
quirements contained in TM 55-
1510-218-10 - Performed.
4. Special preflight checks:
a. Keylock switch - On
b. Battery switch - On.