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NTSB Report
November 16, 1989 · Beech 95-A55 · N422K
Mineral Wells, TX
Overview
Report Status
Probable Cause
Event Type
Accident
Date
November 16, 1989
Injury Outcomes
No injuries (2 uninjured)
Location
Mineral Wells, TX
Aircraft
Beech 95-A55
Tail Number
N422K
Operator
Pegasus Flight Center
Injuries
None
Aircraft Damage
Substantial
NTSB Number
FTW90LA028
THE INSTRUCTOR PILOT AND THE DUAL STUDENT STATED THAT THE NOSE GEAR AND THEN THE MAIN GEAR COLLAPSED AFTER THE AIRPLANE TOUCHED DOWN ON ITS GEAR, WITH THE GREEN (GEAR DOWN AND LOCKED) LIGHT ON. THERE WAS EVIDENCE THAT THE GEAR WAS UP AND LOCKED WHEN THE AIRPLANE TOUCHED DOWN ON THE RUNWAY. WHEN CHECKED, ONE OF THE LNDG GEAR CIRCUIT BREAKERS (FOR THE DYNAMIC BRAKE RELAY) WOULD 'POP.' THE PURPOSE OF THE DYNAMIC BRAKE RELAY WAS TO KEEP THE LANDING GEAR MOTOR FROM OVERRUNNING & JAMMING IN THE UP OR DOWN POSITION. THE GEAR EXTENSION/RETRACTION SYSTEM (INCLUDING THE INDICATOR LIGHTS & WARNING HORN) OPERATED NORMALLY. ALSO, THE UP/DOWN LOCK POSIITON APPEARED TO BE CORRECT, NO PART FAILURE OR MALFUNCTION WAS FOUND THAT WOULD HAVE RESULTED IN THE ACDNT.
NTSB Probable Cause
THE LANDING GEAR WAS EITHER NOT FULLY EXTENDED DURING THE LANDING OR IT RETRACTED DURING THE LANDING ROLL FOR AN UNDETERMINED REASON.
Full Narrative
THE INSTRUCTOR PILOT AND THE DUAL STUDENT STATED THAT THE NOSE GEAR AND THEN THE MAIN GEAR COLLAPSED AFTER THE AIRPLANE TOUCHED DOWN ON ITS GEAR, WITH THE GREEN (GEAR DOWN AND LOCKED) LIGHT ON. THERE WAS EVIDENCE THAT THE GEAR WAS UP AND LOCKED WHEN THE AIRPLANE TOUCHED DOWN ON THE RUNWAY. WHEN CHECKED, ONE OF THE LNDG GEAR CIRCUIT BREAKERS (FOR THE DYNAMIC BRAKE RELAY) WOULD 'POP.' THE PURPOSE OF THE DYNAMIC BRAKE RELAY WAS TO KEEP THE LANDING GEAR MOTOR FROM OVERRUNNING & JAMMING IN THE UP OR DOWN POSITION. THE GEAR EXTENSION/RETRACTION SYSTEM (INCLUDING THE INDICATOR LIGHTS & WARNING HORN) OPERATED NORMALLY. ALSO, THE UP/DOWN LOCK POSIITON APPEARED TO BE CORRECT, NO PART FAILURE OR MALFUNCTION WAS FOUND THAT WOULD HAVE RESULTED IN THE ACDNT.
Flight
Event TypeAccident
Event Time18:35 CST
Nearest AirportMineral Wells Muni (0nm N)
Runway31
Runway Length5094 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech 95-A55
Tail NumberN422K
Aircraft CategoryAir
DamageSubstantial
OperatorPegasus Flight Center
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · IO-470-L · Reciprocating · 260
Seats6
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 27 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind320° @ 5 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point54 / 19 C
Altimeter30.00 inHg
Weather SourcePILO