It's all on the flight plan form which is in the Jepp Airway Manual General:
P/ is persons on board - TBN is filler, To Be Named.
R/ is what freqs your ELT broadcasts on, you have UHF and VHF.
S/ is survival equipment, you have maritime and jungle.
J/ is life jackets, you have ones with lights.
D/ is dinghies, you have 5 that hold 201 with covers and are orange.
A/ is aircraft color, yours is gray.