this Curtiss Robin estasblished a world record for endurance by flying more than 27 days in a row. The walking platform around the aircraft was used for air-to-air resupply and in-flight maintenance
Curtiss R3C-2 racer, winner of the 1925 Schneider Trophy races
Curtiss R3C-2 racer, winner of the 1925 Schneider Trophy races
Curtiss R3C-2 racer, winner of the 1925 Schneider Trophy races