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NTSB Report
June 25, 1992 · Mitsubishi MU-2B-30 · N108SC
Alamagordo, NM
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 25, 1992
Injury Outcomes
6 injuries (6 fatalities)
Location
Alamagordo, NM
Aircraft
Mitsubishi MU-2B-30
Tail Number
N108SC
Operator
William G Whitehead
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
DEN92FA064
THE FLT HAD DEPARTED THE ALAMAGORDO WHITE SANDS REGIONAL ARPT AFTER A FUEL STOP. THE PILOT HAD EARLIER INDICATED TO ATC THAT HE WAS UNFAMILIAR WITH THE AREA. PRIOR TO DEPARTURE AT 2321 THE PILOT WAS INFORMED THAT DEPARTURE RADAR WAS OUT OF SERVICE. THE FLT DEPARTED WITH A VFR DEPARTURE. AT 2324 THE PILOT WAS ADVISED THAT RADAR WAS BACK IN SERVICE, AND CONFIRMED THAT THE AIRCRAFT WAS CLIMBING THRU 5,300 FT. DISCUSSION ENSUED BETWEEN THE PILOT AND CONTROLLER CONCERNING TERRAIN CLEARANCE. AT 2324 THE PILOT INDICATED HE WAS TURNING LEFT DUE TO NOT BEING SURE IF A HILL WAS IN HIS PATH. THE AIRPLANE IMPACTED A MOUNTAIN AT 6,100 FT MSL, 1,500 FT BELOW THE SUMMIT. THE MINIMUM VECTORING ALTITUDE IN THE AREA WAS 11,000 FT.
NTSB Probable Cause
THE FAILURE OF THE PILOT TO EXERCISE ADEQUATE VFR DEPARTURE TERRAIN AVOIDANCE PROCEDURES, AND THE FAILURE OF THE CONTROLLER TO ISSUE A SAFETY ALERT TO THE PILOT. FACTORS WHICH CONTRIBUTED TO THE ACCIDENT WERE: THE PILOT'S LACK OF FAMILIARITY WITH THE GEOGRAPHIC AREA, THE DARK NIGHT, AND THE MOUNTAINOUS TERRAIN.
Full Narrative
THE FLT HAD DEPARTED THE ALAMAGORDO WHITE SANDS REGIONAL ARPT AFTER A FUEL STOP. THE PILOT HAD EARLIER INDICATED TO ATC THAT HE WAS UNFAMILIAR WITH THE AREA. PRIOR TO DEPARTURE AT 2321 THE PILOT WAS INFORMED THAT DEPARTURE RADAR WAS OUT OF SERVICE. THE FLT DEPARTED WITH A VFR DEPARTURE. AT 2324 THE PILOT WAS ADVISED THAT RADAR WAS BACK IN SERVICE, AND CONFIRMED THAT THE AIRCRAFT WAS CLIMBING THRU 5,300 FT. DISCUSSION ENSUED BETWEEN THE PILOT AND CONTROLLER CONCERNING TERRAIN CLEARANCE. AT 2324 THE PILOT INDICATED HE WAS TURNING LEFT DUE TO NOT BEING SURE IF A HILL WAS IN HIS PATH. THE AIRPLANE IMPACTED A MOUNTAIN AT 6,100 FT MSL, 1,500 FT BELOW THE SUMMIT. THE MINIMUM VECTORING ALTITUDE IN THE AREA WAS 11,000 FT.
Flight
Event TypeAccident
Event Time23:25 MDT
Nearest Airport0nm N
Runway0
Flight Plan FiledIFR
Aircraft FireGrd
Aircraft ExplosionGrd
Aircraft
AircraftMitsubishi MU-2B-30
Tail NumberN108SC
Aircraft CategoryAir
DamageDestroyed
OperatorWilliam G Whitehead
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsGarrett · TPE331-1-151A · Turboprop · 705
Seats8
People & Injuries
Injury Summary6 injuries (6 fatalities)
Fatal6
Serious0
Minor0
Uninjured0
Total6
Crew 1Age 38 · First Class
Conditions
ConditionsVMC
LightDark Night
Wind110° @ 3 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point55
Altimeter29.00 inHg
Observation Time04:55
Weather SourceWFAC