FAI - World Air Sports Federation:
11 June - 4 July 1930: world record for duration in an airplane
FAI - World Air Sports Federation:
11 June - 4 July 1930: world record for duration in an airplane
FAI - World Air Sports Federation:
11 June - 4 July 1930: world record for duration in an airplane
FAI - World Air Sports Federation:
11 June - 4 July 1930: world record for duration in an airplane
FAI - World Air Sports Federation:
11 June - 4 July 1930: world record for duration in an airplane