Boeing 747-123, N905NA, during wake vortex studies, 20 September 1974. The other aircraft are a Cessna T-37 and a Lear Jet. (NASA)
Boeing 747-123, N905NA, 20 September 1974
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Boeing 747-123, N905NA, during wake vortex studies, 20 September 1974. The other aircraft are a Cessna T-37 and a Lear Jet. (NASA)