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4/20/23 

AIM 

Section 5.  Aircraft Rescue and 

Fire Fighting Communications 

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5

1.  Discrete Emergency Frequency 

a. 

Direct contact between an emergency aircraft flight crew, Aircraft Rescue and Fire Fighting Incident 

Commander (ARFF IC), and the Airport Traffic Control Tower (ATCT), is possible on an aeronautical radio 

frequency (Discrete Emergency Frequency [DEF]), designated by Air Traffic Control (ATC) from the 

operational frequencies assigned to that facility. 

b. 

Emergency aircraft at airports without an ATCT, (or when the ATCT is closed), may contact the ARFF IC 

(if ARFF service is provided), on the Common Traffic Advisory Frequency 

(CTAF)

 published for the airport 

or the civil emergency frequency 

121.5 MHz. 

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2.  Radio Call Signs 

Preferred radio call sign for the ARFF IC is “(location/facility) 

Command

” when communicating with the flight 

crew and the FAA ATCT. 

EXAMPLE

 

LAX Command. 

Washington Command. 

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3.  ARFF Emergency Hand Signals 

In the event that electronic communications cannot be maintained between the ARFF IC and the flight crew, 

standard emergency hand signals as depicted in FIG 6

5

1 through FIG 6

5

should be used. These hand 

signals should be known and understood by all cockpit and cabin aircrew, and all ARFF firefighters. 

FIG 6

5

Recommend Evacuation 

Aircraft Rescue and Fire Fighting Communications 

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