Thanks for the concern. However, it is not a case of "extension" in my case. PAS in the RN manifests itself as the Full Term Commission (Aircrew) or FTC(A) with a normal retirement age of 55.
If they wanted to stop me going past 50 they have blown it - by just over a year already!!!
VG (determined to cling on for another 3 yrs and 361 days!!)