Boeing

What is EXTD on Boeing 777? (Extend)

What is GSPR on Boeing 777? (Gasper)

What is BTMU on Boeing 777? (Brake Temperature Monitor Unit)

What is TAT on Boeing 777? (Total Air Temperature)

What is PRR on Boeing 777? (Production Revision Record)

What is OFCR on Boeing 777? (Officer)

What is ADL on Boeing 777? (Airborne Data Loader)

What is SO on Boeing 777? (Standard Option)

What is SUP-NUM on Boeing 777? (Supernumerary)