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NTSB Report
January 24, 1989 · Piper PA-34-200T · N3070M
Las Cruces, NM
Overview
Report Status
Probable Cause
Event Type
Accident
Date
January 24, 1989
Injury Outcomes
No injuries (3 uninjured)
Location
Las Cruces, NM
Aircraft
Piper PA-34-200T
Tail Number
N3070M
Injuries
None
Aircraft Damage
Substantial
NTSB Number
DEN89LA068
THE INSTRUCTOR PLT (CFI) HAD SIMULATED A LOSS OF PWR IN THE RGT ENG & THE STUDENT WAS MAKING AN APCH. THE CFI THEN PULLED THE CIRCUIT BREAKER (CB) FOR THE NORMAL GEAR EXTENTION SYS. THE STUDENT TRIED TO EXTEND THE GEAR WITH THE ALTN SYS, BUT THE LEFT GEAR DID NOT LOCK DOWN. THE CFI PUT THE CB BACK IN & RECYCLED THE GEAR, BUT THE LEFT GEAR STILL DID NOT SHOW DOWN & LOCKED. THE CFI THEN ORDERED A GO-AROUND. THE GO-AROUND WAS INITIATED AT ABOUT 300 FT AGL. WHEN THE THROTTLES WERE ADVANCED, THE CFI NOTED A LACK OF PWR IN THE RGT ENG & TOOK CONTROL OF THE ACFT. HE TRIED TO RESTORE FULL PWR TO THE RGT ENG, WHICH HE PERCEIVED WAS PRODUCING SOME PWR. THE PROP WASN'T FEATHERED. IN THAT CONFIGURATION, THE ACFT MAINTAINED LEVEL FLT, BUT WOULD NOT CLIMB. SUBSEQUENTLY, IT BEGAN TO DESCEND & THE CFI MADE A FORCED LANDING ON ROUGH DESERT TERRAIN. NO REASON FOR THE RPRTD LOSS OF ENG POWER WAS FOUND DRG A SUBSEQUENT INVESTIGATION.
NTSB Probable Cause
THE LOSS OF RIGHT ENGINE POWER FOR UNDETERMINED REASON(S), AND THE FAILURE OF THE INSTRUCTOR PILOT TO FEATHER THE RIGHT ENGINE. FACTORS RELATED TO THE ACCIDENT WERE: FAILURE OF THE LEFT MAIN GEAR LOCKING MECHANISM TO ENGAGE AND THE UNPREPARED (ROUGH/UNEVEN) TERRAIN.
Full Narrative
THE INSTRUCTOR PLT (CFI) HAD SIMULATED A LOSS OF PWR IN THE RGT ENG & THE STUDENT WAS MAKING AN APCH. THE CFI THEN PULLED THE CIRCUIT BREAKER (CB) FOR THE NORMAL GEAR EXTENTION SYS. THE STUDENT TRIED TO EXTEND THE GEAR WITH THE ALTN SYS, BUT THE LEFT GEAR DID NOT LOCK DOWN. THE CFI PUT THE CB BACK IN & RECYCLED THE GEAR, BUT THE LEFT GEAR STILL DID NOT SHOW DOWN & LOCKED. THE CFI THEN ORDERED A GO-AROUND. THE GO-AROUND WAS INITIATED AT ABOUT 300 FT AGL. WHEN THE THROTTLES WERE ADVANCED, THE CFI NOTED A LACK OF PWR IN THE RGT ENG & TOOK CONTROL OF THE ACFT. HE TRIED TO RESTORE FULL PWR TO THE RGT ENG, WHICH HE PERCEIVED WAS PRODUCING SOME PWR. THE PROP WASN'T FEATHERED. IN THAT CONFIGURATION, THE ACFT MAINTAINED LEVEL FLT, BUT WOULD NOT CLIMB. SUBSEQUENTLY, IT BEGAN TO DESCEND & THE CFI MADE A FORCED LANDING ON ROUGH DESERT TERRAIN. NO REASON FOR THE RPRTD LOSS OF ENG POWER WAS FOUND DRG A SUBSEQUENT INVESTIGATION.
Flight
Event TypeAccident
Event Time17:05 MST
Nearest AirportLas Cruces Intl (0nm N)
Runway26
Runway Length6073 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-34-200T
Tail NumberN3070M
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-360-E · Reciprocating · 200
Seats4
People & Injuries
Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 22 · Second Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility50 sm
CeilingNone
Temperature / Dew Point55 / 0 C
Altimeter0
Weather SourcePILO