Personally - I only ever refer to POB. Souls on board is just another gash ambiguous Americanism!
CAP 694
ITEM 19: SUPPLEMENTARY INFORMATION
NOTE: This information is not normally included in transmission of flight plan
message. It is retained, however, at location of the filing of the FPL.
ENDURANCE:
After E/ INSERT a 4-figure group giving the fuel endurance in hours and minutes.
PERSONS ON BOARD:
After P/ INSERT the total number of persons (passengers and crew) on board, when
required by the appropriate ATS authority.
INSERT "TBN" (to be notified) if the total number of persons is not known
at the time of filing.
It don't exist and shouldn't be used!
Just my two peneth.
Wait a minute, cars pulled up........****, the phraseology police....
