Hydrostatic release device for SM – 511 (COSPAS-SARSAT certificate #№ 96) State Designer's Bureau of Radio-communication. Hydrostate for SM– 511-world’s first compatible collet hydrostat for float-free 406 MHz EPIRB was designed by department former engineer Vladimir Shchegolev in 1995. This device is complete analog to ЕВ-10 EPIRB’s hydrostats manufactured by Saracom (COSPAS-SARSAT certificate #94) which is also used in EPIRB EB-20, EB-20 SVDR Capsule (COSPAS-SARSAT certificate #182).

FEATURES
- Complies with the latest SOLAS and IMO resolutions and COSPAS-SARSAT recommendations
- Compact size
- Two years service life after installing

The G-5 needs no annual service, maintenance or spare parts.
You simple install a new one every two years and dispose of the old one.