The Directional Gyro that is used in conjunction
with Omni Lock will permit any heading change
desired up to a full 180°.
To compensate for crosswind the airplane will fly
at a crab angle with respect to the Directional Gyro
Course Card setting and the Omni needle will
remain to one side of center up to several de-
grees, depending on wind velocity and direction.
If it is desired to fly with the Omni needle centered,
the D. G. Course Card should be turned to align
with the 0. G. Heading Card.
The Omni Lock is automatically neutralized
whenever the microphone button is depressed.
When this occurs, the airplane will maintain the
heading set on the D. G. Course Card.
NOTE
This Omni Lock is to be used only as an aid in
flying the Omni-Directional Navigation Range.
It is not to be used without normal pilot cross-
reference to the basic navigational in-
strumentation.
PERFORMANCE - No change
FAA Approved
October 1975
P/N 35-590110-19
Approved:
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