Originally Posted by Simon B
Do RNLI boats still monitor 121.5Mhz?
They use 121.5 for DF purposes, so it's what they'll be using to find you in the water - but only if a team is out there - which generally means they need to be looking for someone. The Satellite monitoring is now all 406, although there is ad-hoc coverage by commercial aircraft.
I was at a SAR lecture with the Irish CG a couple of weeks ago. The synopsis was:
121.5 only - defunct
406 (c/w 121.5) - good, but up to 50 mins for a searchable position, so harder to track a moving target.
406 (c/w 121.5) GPS enabled - Very good, position with CG in under 10 minutes, often 5.