Aircraft accident prevention, Ground incidents Identifying the Avenger by the WEFT system Carburetion, basic priciples F-84F electrical system cockpitcheck for engine conditioning (R-3350 motor) airdefense team, fighter-searchlight team (Geen titel) Werking van de benzinepomp AN-Guncamera, scoring of gunsight aiming-point film Aircraft fueling ashore Pre-Flight inspection of the C-47 (Dakota) Cathoderay tubes in airborne radar (MLD typen) Parachutes, maintenance