- Date
- March 29, 1973
- Place
- S.Francisco, CA · S.FRANCISCO, CA
- Injuries
- 10 uninjured
- Damage
- Minor damage
- Phase of flight
- Enroute
- Aircraft
- N307YSikorski S-61N
- Status
- Completed · report April 19, 1973
- Report
- Brief approved by the director
- Case key
- 173582
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 4-0004 73/3/29 S.FRANCISCO,CALIF SIKORSKI S-61N CR- 0 0 3 SCHED DOM PASSG SRV AIRLINE TRANSPORT, AGE TIME - 1554 N307Y PX- 0 0 7 UNK/NR, UNK/NR TOTAL DAMAGE-MINOR OT- 0 0 0 HOURS, UNK/NR IN TYPE, NOT INSTRUMENT RATED. CLASSIFIED AS INCIDENT OPERATOR - SAN FRANCISCO AND OAKLAND HELICOPTER AIRLINES DEPARTURE POINT INTENDED DESTINATION BERKELEY,CALIF S.FRANCISCO,CALIF TYPE OF ACCIDENT PHASE OF OPERATION AIRFRAME FAILURE: IN FLIGHT IN FLIGHT: NORMAL CRUISE PROBABLE CAUSE(S) AIRFRAME - FUSELAGE: DOORS,DOOR FRAMES MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT SUSPECTED OR KNOWN AIRCRAFT DAMAGE REMARKS- CARGO DOOR CAME OPEN,FLT ATTENDANT UN TO SECURE. DOOR SEPARATED,HIT M/R BLADE.CONT FLT & LND OK.
Aircraft
- Registration
- N307Y
- Reported as
- Sikorski S-61N
- Category
- Helicopter
- Engine
- turbo shaft
- Damage
- Minor damage