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Task 1028 Perform Hover Power Check


CONDITIONS: In a UH-1 helicopter at an appropriate hover height and with performance planning information available.


STANDARDS: Appropriate common standards plus these additions/modifications:

  • Determine if sufficient power is available to perform the mission.

  • Determine if wind condition exceeds directional control margin (DCM) or longitudinal cyclic values.

  • Determine when the approach can be terminated to the ground due to center of gravity (CG) limits, if applicable (using indicated fuel).



1. Crew actions.

a. The pilot on the controls (P*) will announce his intent to bring the aircraft to a hover. The P* will remain focused outside the aircraft during the maneuver and will announce when the aircraft is stabilized at the desired hover altitude.

b. The pilot not on the controls (P) and non-rated crew member (NCM) will announce when ready for takeoff and will remain focused outside the aircraft to assist in clearing and to provide adequate warning of obstacles. They will acknowledge clear (left, right, rear, and above, as appropriate).

c. The P will monitor the aircraft instruments. If the IGE NO-GO torque value is indicated prior to reaching the planned hover height used during the performance planning, the P will tell the P* to stop the hover power check and land the aircraft. The PC will confirm the GO / NO-GO torque and adjust the mission as required.

d. The PC will determine whether the aircraft is capable of completing the assigned mission and will ensure that aircraft limitations will not be exceeded.

e. The P will announce when the hover power check is completed.


2. Procedures.

a. The P* should use a 5-foot stationary hover (2-foot stationary hover when using tabular data) when performing this task unless the mission or terrain constraints dictate otherwise. If another hover height is required, the P* should use that height to compute GO/NO-GO torque and predicted hover torque.

b. The P will monitor the aircraft instruments and verify the power check. The P will compare   the actual performance data to that computed and announce the results to the P*. The crew  will evaluate and determine why there are any differences between computed and actual  performance data. Any time the load or environmental conditions change significantly (200 pounds  gross weight increase, 500 feet PA increase, or ± 5 degrees Celsius), the crew members will perform additional hover power checks and, if necessary, recompute the PPC using tabular data. (See Task 1011.)


Note: If the torque required to maintain a stationary hover does not exceed the GO/NO-GO torque  out-of-ground effect (OGE), any maneuver requiring OGE/IGE power or less may be attempted. If the  torque required to maintain a stationary hover exceeds the GO/NO-GO torque OGE but does not exceed  the GO/NO-GO torque IGE, only IGE maneuvers may be attempted.


NIGHT OR NIGHT VISION GOGGLE CONSIDERATIONS: The crew must use proper scanning techniques to avoid excessive drift.