TM 1-1520-240-MTF
2-70
B HOVER (CONT.)
(1) Displace helicopter approximately 10
feet above known attitude by slipping
THRUST CONT (do not use mag
brake), and then release the THRUST
CONT. Helicopter shall return to original
altitude within 5 feet.
(2) Repeat test, slipping THRUST CONT
10 feet below known altitude and after
releasing
THRUST
CONT
note
helicopter returns to original altitude
with 5 feet.
(3) RAD ALT HOLD-OFF.
12. Land helicopter, THRUST CONT in ground
detent
13. RH Fuel System check — Stop, note fuel
quantity in all tanks.
14. LH Fuel System CHECK — START, note fuel
quantity in all tanks.
a. LH FUEL PUMPS — ON.
F b. CROSSFEED FUEL VALVES — Recheck
OPEN (Flight Engineer Response).
c. RH FUEL PUMPS — OFF.
d. Fuel selector — Monitor LH fuel tank level.
NOTE
Power Assurance Test (PAT) not required at a
hover if already accomplished on the ground.
15. 714A Power Assurance Test — Perform as
required.
16. Torque Differential Check.
