Aircraft Accident/Incident Report

Ely, Nevada 89301
Thursday, October 29, 1992 9:54 PST

NTSB Narrative Summary Released at Completion of Accident

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 Narrative

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.

Event Information

Type of Event Accident
Event Date 10/29/1992
Event Day of the Week Thursday
Time of Event 954
Event Time Zone Pacific Standard Time
Event City ELY
Event State NEVADA
Event Country --
Zipcode of the event site 89301
Event Date Year 1992
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 950 Pacific Standard Time
Direction of event from weather observation facility (degrees) 290
Weather Observation Facility ID ELY
Elevation of weather observation facility 6255
Distance of event from weather observation facility (units?) 6
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 2700
Lowest Non-Ceiling Height 1200
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 9
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Light
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 828
NTSB Notification Source --
NTSB Notification Date Nov 19 1992 12:00AM
NTSB Notification Time 1300
Fiche Number and/or location -used to find docket information 48327
Date of most recent change to record Dec 11 2000 3:23PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N102F
NTSB Number LAX93FA045
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model D50A
Aircraft Series Identifier D50A
Aircraft Serial Number DH-173
Certified Max Gross Weight 7300
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 7
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 22 1992 12:00AM
Airframe hours since last inspection --
Airframe Hours 4575
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JAMES L. RICHARDS
Aircraft Owner Street Address 2071 BAYMEADOWS DR.
Aircraft Owner City PLACENTIA
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92670
Operator is an individual? --
Operator Name JAMES L. RICHARDS
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 2071 BAYMEADOWS DR.
Operator City PLACENTIA
Operator State CA
Operator Country
Operator Zip code 92670
Operator Code 0
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 0L7
Departure City JEAN
Departure State NV
Departure Country
Departure Time 800
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code S67
Destination City NAMPA
Destination State ID
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --