T-45A UJPT & E2-C2 INav-02
Introduction to INav and Voice Procedures
C.
Emergency communication procedures
?
What is the emergency transponder squawk
code?
ANSWER: Code 7700
1.
Squawk 7700 on IFF transponder
2.
Transmit to agency on frequency in use at
the time
a.
Distress: "MAYDAY" (3 times)
b.
Urgency: "PAN PAN" (3 times)
EXAMPLE:
PILOT: "Houston Center: MAYDAY,
MAYDAY, MAYDAY: Navy Bravo two zero
zero..."
3.
If not in direct contact with controlling
agency: transmit in the blind to any agency
or aircraft available on a Guard frequency
a.
UHF 243.0 MHz
b.
VHF 121.5 MHz
EXAMPLE:
PILOT: "MAYDAY MAYDAY MAYDAY:
Navy Bravo two zero zero, transmitting on
Guard..."
(6-99) Original
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