PMC Plastic Model Conversion
E SCA (altimeter) E Scale Altitude with Altimeter.
G SD G Streamer Duration.
D RG MR (per Rule 9.12 we are prohibiting use of Radio Control in the event , i.e. free flight only), D rocket glide multi round duration
C PD MR C parachute duration multi round
A HD A helicopter duration
½ A SRA (altimeter). 1/2A super roc altitude with altimeter.
OSL Open Spot Landing
R&D research and development
Most of these will not find a place at the BMMRC. C parachute duration should be interesting, since the goal will not be the best time, but to recover your rocket twice. I just hope the provide neck rubs for the timers.