SECTION II. MAINTENANCE TEST
General. This section contains the maintenance test flight
requirements peculiar to Army Model RC-12D aircraft. The
requirements contained herein are established to insure a thorough
inspection of the aircraft before flight, during flight, and upon
completion of the maintenance test flight. The right side of the
troubleshooting guides contained in Section III. A dash between
references means "through"; and a comma means "and". The
references list the possible abnormal conditions, indications, or
malfunctions which could be encountered while performing the
PRIOR TO MAINTENANCE TEST FLIGHT
*1. Forms and records - Check.
*2. Weight and balance - Maintenance test
flights shall be flown with ballast if required
to remain within weight and center-of-gravity
limits. The average takeoff weight shall be
12,720 pounds for the maximum cruise
power and speed check and stall flights. All
other tests shall be conducted within normal
*3. Thorough flight readiness inspection in
accordance with the requirements contained
in TM 55-1510-219-10 - Performed.
4. Special preflight checks:
a. Keylock switch - On.
b. Battery switch - On.