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In the event of communication failure:
• MAINTAIN TERRAINCLEARANCETHROUGHOUTALLPROCEDURES.
• SQUAWK 7600
ACKNOWLEDGMENTSBYANAIRCRAFT
InFlight:
• During the hours of daylight: by rocking the aircraftwings.
NOTE: This signal should not be expected on the base and final legs of the
approach.
• During the hours of darkness: by flashingon and off twice, the aircraft’s
landing lights or, if not so equipped, by switchingon and off twice, its
navigation lights.
On theGround:
• During the hours of daylight: bymoving aircraft’s ailerons or rudder.
• During the hours of darkness: by flashingon and off twice, the aircraft’s
landing lights or, if not so equipped, by switchingon and off twice, its
navigation lights.
5 – rad i o fa i lure
procedures
radio fai lure