TASK 2 - FLAT TRACK MAIN ROTOR ON THE GROUND
PROCEDURE 1: PREPARATION
a. Install test equipment (refer to task 1).
b. Operate aircraft at Idle (226 Rotor RPM).
c. Turn on DAU.
d. Turn on CADU.
PROCEDURE 2: PERFORM GROUND TRACK (GNDTRK) MEASUREMENT
a. Press QUIT on the CADU until all selections are undefined.
b. Use cursor keys to highlight Aircraft Type, and then press DO.
c. Use cursor keys to highlight UH1 for metal blades and UH1CRB for composite blades, then press DO.
d. Tail Number is highlighted. Press DO.
e. Use cursor keys to highlight a tail number or enter a new tail number (up to seven digits), then press DO.
Flight Plan is highlighted. Press DO.
g. Use cursor keys to highlight GNDTRK. Press DO.
h. Enter the MEASURE mode by pressing F1. Verify that Test State Idle is highlighted.
Press DO when the aircraft is stable at the highlighted selection. Verify that the aircraft is at the required Test
State (Idle or Fpg100) and press DO again. Perform this operation each time a measurement is completed
and another Test State is highlighted. The AVA will acquire track data at each Test State and then return to
the selected display.
After the last measurement is completed, press DO on Finish, then press DO on Diagnostics. If
measurements are within specified limits, press QUIT to Main Menu and perform task 3.
k. If measured values exceed specifications, press DO to enter the DIAGS mode.
Perform corrections shown, making certain to view all screens of a multiple screen solution.
m. Repeat steps above until all measurements are within limits.
n. Perform task 3.