- Date
- August 15, 1970
- Place
- Sacramento, CA · SACRAMENTO, CA
- Injuries
- 8 uninjured
- Damage
- Minor damage
- Phase of flight
- Takeoff
- Aircraft
- N4703UBoeing 747
- Status
- Completed · report July 21, 1971
- Report
- Brief approved by the director
- Case key
- 108095
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 ---------------------------------------------------------------------------------------------------------------------------- 4-0077 70/8/15 SACRAMENTO,CALIF BOEING 747 CR- 0 0 8 TRAINING AIRLINE TRANSPORT, AGE TIME - 1148 N4703U PX- 0 0 0 57, 22800 TOTAL HOURS, 40 DAMAGE-MINOR OT- 0 0 0 IN TYPE, INSTRUMENT RATED. CLASSIFIED AS INCIDENT NAME OF AIRPORT - SACRAMENTO METRO OPERATOR - UNITED AIR LINES,INC. DEPARTURE POINT INTENDED DESTINATION LAST ENROUTE STOP SAN FRANCISCO,CALIF RETURN SACRAMENTO,CALIF TYPE OF ACCIDENT PHASE OF OPERATION OVERSHOOT TAKEOFF: ABORTED PROBABLE CAUSE(S) PILOT IN COMMAND - DELAYED ACTION IN ABORTING TAKEOFF MISCELLANEOUS ACTS,CONDITIONS - ASYMETRICAL FLAPS PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER SYSTEMS - HYDRAULIC SYSTEM: BY-PASS VALVE MISCELLANEOUS ACTS,CONDITIONS - HYDRAULIC FAILURE FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING REMARKS- INBRD TE FLAPS 25DEG,OUTBRD 10DEG,LE DEVICES EXTDD.BOEING VALVE NR 60B00244-1 INSTLD-NO FLT CLNCE.
Aircraft
- Registration
- N4703U
- Reported as
- Boeing 747
- Category
- Airplane
- Engine
- turbo fan
- Damage
- Minor damage
- Airport
- Sacramento Metro