GM1 SERA.4005(a) Contents of a flight plan
CAA ORS9 Decision No. 1
ABBREVIATED FLIGHT PLAN
An abbreviated flight plan transmitted in the air by radiotelephony for the crossing of controlled airspace, or any other areas or routes designated by the competent authority, normally contains, as a minimum: call sign, type of aircraft, point of entry, point of exit and level. Additional elements may be required by the competent authority.