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NTSB Report
January 30, 1985 · Aerospatiale SA316B · N67081
Galt, CA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
January 30, 1985
Injury Outcomes
1 injury (1 serious injury), 2 uninjured
Location
Galt, CA
Aircraft
Aerospatiale SA316B
Tail Number
N67081
Operator
Ems
Injuries
Serious
Aircraft Damage
Substantial
NTSB Number
LAX85FA126
WHILE IN CRUISE THE PLT LOST TAIL ROTOR CONTROL AND ELECTED TO EXECUTE AN EMERGENCY LANDING IN AN OPEN FIELD. THE TAIL ROTOR GEARBOX WAS FOUND 45 FT FROM THE MAIN WRECKAGE. THE TAIL ROTOR GUARD WAS FOUND 60 FT FROM THE MAIN WRECKAGE. IT DID NOT EXHIBIT ANY GROUND IMPACT DAMAGE, BUT DID DISPLAY 3 TAIL ROTOR BLADE MARKS. THE RIGHT EAR TAIL ROTOR GEARBOX ATTACHMENT BOLT SHEARED IN AN OVERLOAD MANNER. THE LEFT EAR TAIL ROTOR GEARBOX ATTACHMENT BOLT WAS MISSING AND THE EAR SHOWED COMPRESSION DAMAGE AT THE BOTTOM AFT EDGE OF ITS INSIDE PLATE. THERE WAS NO OTHER EVIDENCE OF A PREIMPACTFAILURE OR MALFUNCTION.
Full Narrative
WHILE IN CRUISE THE PLT LOST TAIL ROTOR CONTROL AND ELECTED TO EXECUTE AN EMERGENCY LANDING IN AN OPEN FIELD. THE TAIL ROTOR GEARBOX WAS FOUND 45 FT FROM THE MAIN WRECKAGE. THE TAIL ROTOR GUARD WAS FOUND 60 FT FROM THE MAIN WRECKAGE. IT DID NOT EXHIBIT ANY GROUND IMPACT DAMAGE, BUT DID DISPLAY 3 TAIL ROTOR BLADE MARKS. THE RIGHT EAR TAIL ROTOR GEARBOX ATTACHMENT BOLT SHEARED IN AN OVERLOAD MANNER. THE LEFT EAR TAIL ROTOR GEARBOX ATTACHMENT BOLT WAS MISSING AND THE EAR SHOWED COMPRESSION DAMAGE AT THE BOTTOM AFT EDGE OF ITS INSIDE PLATE. THERE WAS NO OTHER EVIDENCE OF A PREIMPACTFAILURE OR MALFUNCTION.
Flight
Event TypeAccident
Event Time07:12 PST
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftAerospatiale SA316B
Tail NumberN67081
Aircraft CategoryHeli
DamageSubstantial
OperatorEms
Operating RulePart 135
Engines1
Engine TypeTurboshaft
Engine DetailsTurbomeca · ARTOUSTE IIIB · Turboshaft · 858
Seats3
People & Injuries
Injury Summary1 injury (1 serious injury), 2 uninjured
Fatal0
Serious1
Minor0
Uninjured2
Total3
Crew 1Age 39 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind330° @ 8 kt
Visibility40 sm
CeilingNone
Temperature / Dew Point36 C / 34 C
Altimeter30.00 inHg
Observation Time14:54
Weather SourceWFAC