The time limit for aircraft: Switch to 90 days beacons as of January 1, 2018.
The new generation has already landed: SID88 – the new low frequency underwater locator beacon for aviation.
EASA issued Opinion No.1 in 2014 requiring all aircraft to switch to 90 days beacons meeting FAA‘s TSO-C121b as of January 1, 2018.
The answer to TSO-C121b: BLUE90, the 90 days underwater locator beacon for aviation.
New ICAO Requirement
SID88 the new LF ULB
New EASA Requirement
BLUE90 the 90 days ULB
Periphery for BLUE90
TAG2550 the Beacon Tester
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