Trim and Rigging. Check as follows:
In smooth air, at Cruise power, the aircraft will fly hands off,
straight and level with the ailerons symmetrically aligned at
the trailing edge and the aileron adjustable tab set to zero.
For additional trim and rigging checks refer to TM 55-1510-
Microwave Landing System (MLS) Check:
Check as follows:
Perform MLS preflight/self-test as described in TM 55-1510-
The remaining steps in this procedure can only be
performed when a ground station with microwave
landing system capabilities is available.
Pilot's or copilot's HSI select switch panel - MLS.
NAV-A switch (audio control panel) - ON.
MLS channel (MLS control-display) - Set published channel
and check audio identification of station (Morse code
Check manual approach mode as follows:
Select manual (MAN) mode.
Set published azimuth.
Set published glideslope.