I am doing my ATPL and have got a copy of the CATS (Cranfield Aviation Training Schoool) CRP-5 video. It will cover what you need for the CRP-1 and some. Look them up and e-mail them. You may get through Pilot Warehouse. Well recommended.
The problem with the cheap GPS is you won\'t always know if it is working on a good enough RAIM (Rx Autonomous Integrity Monitoring), meaning your equipment may not have the brain power to detect a failed source within the see satellites. This will put you miles off track and you would never know. Never, ever rely on it.
The performance required must detect and allert you to errors. You may think, "so what?" but mountains and Airliners on a SID in a TMA will bite.
My advise is train well and don\'t let bad, sloppy short cuts be the way you fly. CFIT and Weather are still the bigest killers and as for poor planning.....
