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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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March 23, 1986 · Douglas C-47 · N37AP

Steins, NM

Overview

Report Status
Preliminary report
Event Type
Accident
Date
March 23, 1986
Injury Outcomes
No injuries (4 uninjured)
Location
Steins, NM
Aircraft
Douglas C-47
Tail Number
N37AP
Operator
Atorie Air
Injuries
None
Aircraft Damage
Substantial
NTSB Number
DEN86LA102

WHILE EN ROUTE, THE LEFT ENG OF THE C-47 LOST PARTIAL PWR AS A RESULT OF A CRACKED CYLINDER. THE CREW STATED THE LEFT ENG WAS SHUT DOWN AND ADDITIONAL PWR WAS APPLIED TO THE RIGHT ENG TO COMPENSATE FOR THE INCREASING RATE OF DESCENT. THE CREW STATED A SHORT TIME LATER, THE RIGHT ENG STARTED RUNNING ROUGH AND FORCED LANDING WAS MADE. DURING THE INVESTIGATION, INTERNAL MALFUNCTION COULD BE DETERMINED IN THE RIGHT ENG.

Full Narrative

WHILE EN ROUTE, THE LEFT ENG OF THE C-47 LOST PARTIAL PWR AS A RESULT OF A CRACKED CYLINDER. THE CREW STATED THE LEFT ENG WAS SHUT DOWN AND ADDITIONAL PWR WAS APPLIED TO THE RIGHT ENG TO COMPENSATE FOR THE INCREASING RATE OF DESCENT. THE CREW STATED A SHORT TIME LATER, THE RIGHT ENG STARTED RUNNING ROUGH AND FORCED LANDING WAS MADE. DURING THE INVESTIGATION, INTERNAL MALFUNCTION COULD BE DETERMINED IN THE RIGHT ENG.

Flight

Event TypeAccident
Event Time13:10 MST
Nearest AirportShady Grove (0nm N)
Runway8
Runway Length3000 ft
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftDouglas C-47
Tail NumberN37AP
Aircraft CategoryAir
DamageSubstantial
OperatorAtorie Air
Operating RulePart 135
Engines2
Engine TypeReciprocating
Engine DetailsP&W · R-1830-90D · Reciprocating · 1200
Seats3

People & Injuries

Injury SummaryNo injuries (4 uninjured)
Fatal0
Serious0
Minor0
Uninjured4
Total4
Crew 1Age 40 · First Class

Conditions

ConditionsVMC
LightDaylight
Wind120° @ 5 kt
Visibility50 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data