Fly Navy
Don't worry about 'failing the Pilots elements' as you call it.
The RN needs 4 Observers to each pilot at present is that maybe why?
I believe you can still join as aircrew up to age 26.
Send them a letter saying you will be back asap to try for 'Pilot' again.
The FAA of Royal Navy is a great way into Helicoptering whilst being paid and enjoying all the experiences that come your way. There are many of us in the Industry that have come up that way.
Even if you don't make it second time around it gives you some time to get some money together.
best wishes