Pilot nav is probably still taught in the same fashion at EFT, but the use of the CDR is (I would assume) not necessary in the days of aircraft with computers.

In my relatively short 15 or so years in the RAF I have never seen one of these CDRs in use, nor have I been taught how to use one at groundschool (and I've been on lots of groundschools...)

MDR is the way forward, for anything more precise you can ask Google ;)

Still used on the fleet I fly in. Computers are great but, even with dual redundancy, can still fail. Also a great planning aid if you don't have the luxury of a reliable MPS - how else are you going to work out a complex PNR or ROA between 2 moving bases?

DR cOMPUTORS
 

DR computers may be bought through any of the pilot type magazines. The civi ones such as ATRP5 are entirely plastic while the service have some metal alloy components.

The differences for the marks are; full size high and low speed for jets and helicopters. The half size version is for fast jets because it is easier to stow and less of an inteference when in use

Early models had a nice brown canvas cover which was replaced later by a tatty plastic version

I had to dust off my original 70s version to get through my PPL re qualification

The worrying thing is it all came flooding back.

Yes, Geehovah, but your book has proved that you have something of a memory. Remembering how to use a Dalton Comp is slightly bordering on worrying.

I just photocopied the sliding scale and then cut it down to just fit in the computer. Good enough for pootling around at 120kts.

Thanks
 

Chaps,

Thank you for the replies, some useful stuff there. I'll be in touch shortly.

Thanks

H