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Emergency Position Indicating Radio Beacon (EPIRB)/ Search and Rescue Transponders (SART)

Air-Sea Safety sells and services the finest EPIRB and SART devices available for use in alerting search and rescue authorities in the event of an emergency situation. We offer battery replacement service and with our state-of-the-art signal testing instrument, Air-Sea can  ensure your beacon is functioning properly. Abandoning ship is serious business, we can provide the latest information on the technology to help you decide on the right product for your voyages. For additional life raft information, please call us at 1-843-723-2722, use our Online Catalog or use our Request Quote/Information form.

The COSPAS-SARSAT Search & Rescue System

1) Distressed mariner/outdoor adventurer
    activates EPIRB or PLB-EPIRB.

COSPAS-SARSAT Search and Rescue System
2) Beacon transmits a 406 MHz emergency message containing your Unique Identifier Number (UIN) to the LEOSTAR (polar orbiting) and GEOSTAR* (geostationary) satellite systems.
COSPAS-SARSAT Search and Rescue System
- 406 MHz Distress Signal 
  (2.3 nm accuracy 60 min. worldwide avg.)
- 406 MHz Distress Signal w/GPS
  (0.05 nm accuracy 15 min. worldwide avg.

3) The satellite relays the 406 MHz emergency message to a ground station called the Local User Terminal (LUT). The LUT calculates the location of the signal by measuring the Doppler shift caused by the relative movement between the satellite and the beacon and forwards the location to the Mission Control Center (MCC).

4) The MCC continues to receive information from additional satellite passes and further refines the beacon position (2.3 nm search radius).  An alert message is generated that is combined with the registration information from the database and is forwarded to the appropriate Rescue Coordination Center (RCC). 

5) The RCC makes contact with the persons listed in the database to verify the existence of an emergency and gathers additional information about the beacon users. The RCC will dispatch the closest, capable Search and Rescue (SAR) forces.
6) Local SAR forces launch a rescue mission and use the 121.5 MHz homing signal to pinpoint the beacon.
Air-Sea has the latest
in signal testing equipment and can even signal test your beacon on board your vessel.

Search and Rescue Transponder
Search and Rescue Transponder

ACR AquaFix Personal Locator Beacon
ACR AquaFix PLB
McMurdo FastFind Max-G PLB (GPS)
McMurdo FastFind
Max-G PLB (GPS)

Air-Sea Safety EPIRB/SART Sales and Service
Air-Sea Safety sells and services all brands of EPIRBS and SARTs. We offer EPIRBs that are registered to vessels, as well as PLBs that are registered to an individual.
Air-Sea offers battery replacement, signal testing and hydrostatic release inspection/replacement for all makes and models. Please contact us if you have any question regarding EPIRBs by calling 843-723-2722, or using our online Request Quote/Information form.
ACR Electronics McMurdo
AquaFix 406 GPS I/0 - Personal EPIRB
SART - Search & Rescue Transponder
GlobalFix 406 - Category I
GlobalFix 406 - Category II
16/6 Survival Radio - 2 Channel VHF GMDSS
FastFind™ 406/GPS PLB
SmartFind™ Series
S4 SART
C1 S-VDR Float Free Capsule
NAVTEX Receivers

ACR GlobalFix iPRO
ACR GlobalFix iPRO

Location Accuracy Detection Time Diagram

EPIRB Detection Time Diagram 121.5 MHz EPIRB / 12.0 nm radius / 452 sq. nm search area / average 6 hour notification to SAR
406 MHz EPIRB / 2.3 nm radius / 12.5 sq. search area / average 1 hour SAR notification
406 MHz w/GPS EPIRB / .05 nm (100m, 110 yards) radius .008 sq. nm search area / estimate 2-15 Minutes notification to SAR
Smartfind Plus/G5 406 GPS MHz EPIRB
Smartfind Plus/G5 406 GPS MHz EPIRB
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