- Date
- June 11, 1985, 11:04 local (16:04 UTC)
- Place
- St. Louis, MO
- Injuries
- 219 uninjured
- Damage
- Minor damage
- Phase of flight
- Approach
- Aircraft
- N31013Lockheed L-1011
- Weather
- Instrument (IMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19850611027729I
- Case key
- 33872
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
While on an IFR approach to land at stl and the plt initiated flaps. The no.3 outboard flap vane separated from its mounting and fell to the ground. Upon separation the flap vane struck the leading edge of the trailing edge flap knocking a hole in the skin. The subsequent landing was uneventful. Examination of the flap vane attach fitting revealed it failed in fatigue followed by an overload separation. There have been 14 recorded cases of failure of the flap vane attach fittings with 9 reported separations from the aircraft.
Aircraft
- Registration
- N31013
- Reported as
- Lockheed L-1011
- Category
- Airplane
- Serial number
- 193B-1035
- Airframe hours
- 31,195
- Engine
- Rolls-Royce RB-211-22, 45,000 lbs thrust, turbo fan
- Damage
- Minor damage
- Fire
- In-Flight
- Flight
- Part 121
- Registered owner
- Trans World Airways
- Airworthiness certificate
- Standard, Normal
- Departed
- BOS · Boston, MA
- Destination
- STL · St.Louis, MO
- Flight plan
- IFR
- Airport
- STL · St. Louis
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Certificate
- Airline transport
- Airplane ratings
- Multi-engine land, Single-engine land
- Medical
- Unknown, Unknown
- Seat
- Left
Weather
- Conditions
- Instrument (IMC) · Day
- Wind
- 270° at 11 knots
- Visibility
- 25 statute miles
- Lowest ceiling
- 700 ft overcast
- Temperature
- -0 °F, dew point -0 °F
- Altimeter
- 29.00 inHg
- Observed at
- STL, 5 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N31013 · 4
Matched to the same aircraft by N-number and date.