- Date
- April 4, 1979
- Place
- Saginaw, MI · SAGINAW, MI
- Injuries
- 8 minor, 81 uninjured
- Damage
- Substantial damage
- Phase of flight
- Uncontrolled descent
- Aircraft
- N840TWBoeing 727-31
- Status
- Completed · report September 29, 1980
- Safety recommendations
- Yes
- Case key
- 79498
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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 ---------------------------------------------------------------------------------------------------------------------------- 1-0022 79/4/4 NR.SAGINAW,MI BOEING 727-31 CR- 0 0 7 SCHED DOM PASSG SRV AIRLINE TRANSPORT, AGE TIME - 2148 N840TW PX- 0 0 82 44, 15710 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 2597 IN TYPE, INSTRUMENT RATED. OPERATOR - TRANS WORLD AIRLINES,INC. DEPARTURE POINT INTENDED DESTINATION JAMAICA,NY MINEAPLS-ST PAUL,MN TYPE OF ACCIDENT PHASE OF OPERATION UNCONTROLLED ALTITUDE DEVIATIONS IN FLIGHT: UNCONTROLLED DESCENT AIRFRAME FAILURE: IN FLIGHT IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS FACTOR(S) PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT AIRFRAME - FLIGHT CONTROL SURFACES: SPOILERS AND SLOTS-LEADING EDGE FLAPS,SPEED BRAKES MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT MISCELLANEOUS ACTS,CONDITIONS - ASYMETRICAL FLAPS MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT LATERAL CONTROL PROBLEM PITCH CONTROL PROBLEM REMARKS- LE SLATS EXTENDED.NR7 SLAT DID NOT SUBSEQUENTLY FULLY RETRACT,RESULTING IN ASYMMETRICAL SLATS.
Aircraft
- Registration
- N840TW
- Reported as
- Boeing 727-31
- Category
- Airplane
- Engine
- turbo fan
- Damage
- Substantial damage
- Airport
- Detroit Metro