Collision risk in IMC OCA
I think I'm right in saying that there hasn't been a SINGLE mid-air between 2 light aircraft in the UK outside controlled airspace in IMC since the 2nd World War. In fact, statistically, from a mid-air point of view, it's FAR safer to be IMC outside controlled airspace than VMC.
Of course, it's common sense to obtain a RADAR service of some kind when IMC, but not necessary to file a flight plan or follow a designated route.
The big problem with IMC, is flight into the terrain, not bumping into each other. This is where training and following simple procedures, such as being 1,000' above any obstruction within 5NM comes in. Fairly easy in the UK, more difficult in places like New Zealand...
TOO
Last edited by TheOddOne; 28th Jul 2015 at 07:14.