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NTSB Report
March 16, 1983 · Piper PA-31T1 · N879SW
Oklahoma City, OK
Overview
Report Status
Preliminary report
Event Type
Accident
Date
March 16, 1983
Injury Outcomes
No injuries (3 uninjured)
Location
Oklahoma City, OK
Aircraft
Piper PA-31T1
Tail Number
N879SW
Injuries
None
Aircraft Damage
Substantial
NTSB Number
FTW83LA158
WITNESSES REPORTED THAT THE LANDING GEAR WAS LOWERED AT THE OUTER MARKER ON AN ILS APPROACH. THE PILOT STATED THAT HE EXTENDED FULL FLAPS AT ABOUT 400 FEET AGL JUST AS THEY BROKE OUT OF THE CLOUDS. ALMOST IMMEDIATELY AFTER LANDING THE PILOT RETRACTED THE FLAPS TO 0. THE FLAPS CAME UP AND THE NOSE OF THE AIRCRAFT FELL AS THE GEAR UP CYCLE BEGAN. THE MAIN GEAR THEN CAME UP AND THE AIRCRAFT SLID TO A STOP ON THE RUNWAY. WHEN THE AIRCRAFT WAS TRANSPORTED TO A HANGER, ALL LANDING GEAR WERE FOUND TO BE UP AND LOCKED. NUMEROUS CYCLE TESTS OF THE LANDING GEAR SYSTEM FAILED TO SHOW ANY MALFUNCTION WITHIN ANY COMPONENT OF THE SYSTEM.
Full Narrative
WITNESSES REPORTED THAT THE LANDING GEAR WAS LOWERED AT THE OUTER MARKER ON AN ILS APPROACH. THE PILOT STATED THAT HE EXTENDED FULL FLAPS AT ABOUT 400 FEET AGL JUST AS THEY BROKE OUT OF THE CLOUDS. ALMOST IMMEDIATELY AFTER LANDING THE PILOT RETRACTED THE FLAPS TO 0. THE FLAPS CAME UP AND THE NOSE OF THE AIRCRAFT FELL AS THE GEAR UP CYCLE BEGAN. THE MAIN GEAR THEN CAME UP AND THE AIRCRAFT SLID TO A STOP ON THE RUNWAY. WHEN THE AIRCRAFT WAS TRANSPORTED TO A HANGER, ALL LANDING GEAR WERE FOUND TO BE UP AND LOCKED. NUMEROUS CYCLE TESTS OF THE LANDING GEAR SYSTEM FAILED TO SHOW ANY MALFUNCTION WITHIN ANY COMPONENT OF THE SYSTEM.
Flight
Event TypeAccident
Event Time16:50 CST
Nearest AirportWill Rogers (0nm N)
Runway35R
Runway Length9802 ft
Runway Width150 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-31T1
Tail NumberN879SW
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsP&W · PT6A-11 · Turboprop · 500
Seats7
People & Injuries
Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 46 · Third Class
Conditions
ConditionsIMC
LightDaylight
Wind330° @ 21 kt
Visibility2 sm
CeilingOvercast 700 ft
Temperature / Dew Point43 C
Altimeter29.00 inHg
Observation Time16:48
Weather SourceWFAC