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Last updated: 23 October 2017
Datum:Dienstag 9 Februar 1937
Flugzeugtyp:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas DC-3A-197
Fluggesellschaft:United Airlines
Kennzeichen: NC16073
Werknummer: 1913
Baujahr: 1936
Besatzung:Todesopfer: 3 / Insassen: 3
Fluggäste:Todesopfer: 8 / Insassen: 8
Gesamt:Todesopfer: 11 / Insassen: 11
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:3 km (1.9 Meilen) NE vom Land entfernt von San Francisco Municipal Airport, CA (SFO) (   USA)
Flugphase: Annäherung (APR)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Burbank-Union Air Terminal (BUR/KBUR), USA
Flug nach:San Francisco Municipal Airport, CA (SFO/KSFO), USA
Flugnummer:Trip 23
Crashed into San Francisco Bay while on approach. The co-pilot dropped his microphone which jammed the controls, preventing the pilot from pulling out of the glide. Nine passengers and three crew died.

Probable Cause:

PROBABLE CAUSE: "Accidental jamming of the elevator controls as a result of a microphone being inadvertently dropped and lodging in such a position that the crew was unable to prevent rapid descent of the airplane."


photo of Douglas DC-3A-197 NC16073
photo of Douglas DC-3A-197 NC16073
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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Burbank-Union Air Terminal to San Francisco Municipal Airport, CA as the crow flies is 521 km (326 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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