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NTSB Report
October 29, 1992 · Beech D50A · N102F
Ely, NV
Overview
Report Status
Probable Cause
Event Type
Accident
Date
October 29, 1992
Injury Outcomes
2 injuries (2 fatalities)
Location
Ely, NV
Aircraft
Beech D50A
Tail Number
N102F
Operator
James L Richards
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
LAX93FA045
THE PILOT AND PASSENGER DEPARTED SOUTHERN CALIFORNIA FOR IDAHO. EN ROUTE THEY STOPPED ON THE OUTSKIRTS OF LAS VEGAS WHERE THERE WAS A DIRT LANDING STRIP. THE NEXT MORNING A WITNESS SAW THE AIRPLANE DEPART AT ABOUT 0800 HOURS. THERE WAS NO FLIGHT PLAN FILED NOR ANY RECORD OF EITHER A PREFLIGHT OR INFLIGHT WEATHER BRIEFING. THE AIRPLANE NEVER ARRIVED AT THE DESTINATION. THE AIRPLANE WAS LOCATED BY A NEVADA FISH AND GAME HELICOPTER ABOUT 21 DAYS AFTER IT HAD DISAPPEARED. THE AIRPLANE HAD IMPACTED A MOUNTAIN AT ABOUT 8300 FEET MSL, IN A NEAR VERTICAL ATTITUDE AT GREAT SPEED. WEATHER DATA REVEALED THAT IN THE AREA OF THE ACCIDENT THE CEILING WAS OVERCAST AT 2700 FEET AGL, WITH TOPS FROM 17000 TO 19000 FEET MSL AND SEVERE MIXED ICING WAS PRESENT ABOVE THE 9,500 FOOT MSL FREEZING LEVEL. THE AIRPLANE HAD NO DEICE OR ANTIICE EQUIPMENT, THE OXYGEN SYSTEM WAS INOPERATIVE AT THE TIME OF THE ACCIDENT.
NTSB Probable Cause
1) THE PILOTS DECISION TO ATTEMPT VFR FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS, WHICH INCLUDED MOUNTAIN OBSCUREMENT AND SEVERE MIXED ICING, AND, 2) HIS FAILURE TO MAINTAIN CONTROL OF THE AIRCRAFT DUE TO A PROBABLE AERODYNAMIC STALL INDUCED BY SEVERE AIRFRAME ICING. FACTORS IN THE ACCIDENT WERE: 1) THE FORECAST WEATHER CONDITIONS OF ICING, LOW CLOUD CEILINGS AND MOUNTAIN OBSCURATION, AND 2) THE PILOTS FAILURE TO OBTAIN EITHER PREFLIGHT OR INFLIGHT WEATHER INFORMATION FOR HIS ROUTE OF FLIGHT.
Full Narrative
THE PILOT AND PASSENGER DEPARTED SOUTHERN CALIFORNIA FOR IDAHO. EN ROUTE THEY STOPPED ON THE OUTSKIRTS OF LAS VEGAS WHERE THERE WAS A DIRT LANDING STRIP. THE NEXT MORNING A WITNESS SAW THE AIRPLANE DEPART AT ABOUT 0800 HOURS. THERE WAS NO FLIGHT PLAN FILED NOR ANY RECORD OF EITHER A PREFLIGHT OR INFLIGHT WEATHER BRIEFING. THE AIRPLANE NEVER ARRIVED AT THE DESTINATION. THE AIRPLANE WAS LOCATED BY A NEVADA FISH AND GAME HELICOPTER ABOUT 21 DAYS AFTER IT HAD DISAPPEARED. THE AIRPLANE HAD IMPACTED A MOUNTAIN AT ABOUT 8300 FEET MSL, IN A NEAR VERTICAL ATTITUDE AT GREAT SPEED. WEATHER DATA REVEALED THAT IN THE AREA OF THE ACCIDENT THE CEILING WAS OVERCAST AT 2700 FEET AGL, WITH TOPS FROM 17000 TO 19000 FEET MSL AND SEVERE MIXED ICING WAS PRESENT ABOVE THE 9,500 FOOT MSL FREEZING LEVEL. THE AIRPLANE HAD NO DEICE OR ANTIICE EQUIPMENT, THE OXYGEN SYSTEM WAS INOPERATIVE AT THE TIME OF THE ACCIDENT.
Flight
Event TypeAccident
Event Time09:54 PST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech D50A
Tail NumberN102F
Aircraft CategoryAir
DamageDestroyed
OperatorJames L Richards
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsLycoming · IGSO-540-B1A · Reciprocating · 380
Seats7
People & Injuries
Injury Summary2 injuries (2 fatalities)
Fatal2
Serious0
Minor0
Uninjured0
Total2
Crew 1Age 58 · Second Class
Conditions
ConditionsIMC
LightDaylight
Wind170° @ 9 kt
Visibility15 sm
CeilingOvercast 2700 ft
Temperature / Dew Point48 / 39 C
Altimeter29.00 inHg
Observation Time17:50
Weather SourceWFAC