AUXILIARY AVIATION TRAINING MANUAL(59)

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D.4.  Relaying Traffic
 Because an aircraft presents a good radio location due to its altitude, it may be the only unit capable of communicating with the vessels or aircraft at the scene of a mission.  If requested to relay information between the shore station and the units on-scene, it is imperative that the information be retransmitted exactly as it is received.  Under no circumstances should any subjective interpretations be added to the information being relayed.
 

 
 
Section E. Radio Communications in SAR Situations

 
Introduction
 This section describes the specific radio communications that are required during SAR situations.
 
E.1.  Radio Communications
 While performing a SAR mission, the crew member acting as radio operator of the VHF-FM radio should be experienced in communication with shore stations and understand the demands and requirements of the land-based watchstander.  The station or Sector watchstander is often confronted with multiple tasks and operates several radios at a time.  When the radio operator makes first contact, the transmitting frequency is identified and a full call sign for the aircraft is given.  By identifying the channel, the watchstander will know from which radio unit the call is being received.
EXAMPLE:
“Station Brunswick, Station Brunswick, this is Coast Guard AUXAIR 123AB on Channel 16.  Over.”
 
E.2.  Working Frequency
 When hailing initially on channel 16, once contact is established, be prepared to switch to the Coast Guard “working frequency” or to a predetermined frequency.  Once the communication has been established, further communications in the sequence may use abbreviated call signs.  It is helpful to continue identifying as “AUXAIR” on VHF-FM, even when using abbreviated calls, since these frequencies are monitored by Coast Guard and Auxiliary units, vessels, radio stations, and aircraft, and it avoids confusion when watchstanders immediately understand the type of facility with which they are communicating or that they are monitoring.
EXAMPLE:
“AUXAIR 3AB switching to 83 Alpha.  Over.”
 
E.3.  Frequency Monitoring
 The crew should have an understanding of which frequency will be monitored between “ops normal” or other regularly scheduled contacts, and a guard on it should be maintained.  When working a SAR case, it is beneficial to all if communications can be arranged on one frequency.  For instance, if a guard is established on Channel 16 but other air assets are working Channel 22A, it will be necessary to monitor both Channel 22A and Channel 16.
EXAMPLE:
“Station Brunswick, this is AUXAIR 3AB on 16.  Over.”
If there is any doubt that the watchstander understood the intended message, confirmation should be requested.
　
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