Aircraft Accident/Incident Report

Dunsmuir, California 96025
Monday, March 29, 1993 20:10 PST

NTSB Narrative Summary Released at Completion of Accident

AFTER RECEIVING A WEATHER BRIEFING, THE COMMERCIAL/INSTRUMENT RATED PILOT, THE SOLE OCCUPANT, DEPARTED ON A NIGHT CROSS COUNTRY FLIGHT OVER MOUNTAINOUS TERRAIN. THE FORECASTED WEATHER CONDITIONS INCLUDED SCATTERED CLOUDS AT 4,000 TO 6,000 FEET, BROKEN CLOUDS AT 8,000 FEET WITH A FREEZING LEVEL OF 7,000 FEET. NO FLIGHT PLAN WAS FILED. NO FURTHER CONTACT WITH THE AIRPLANE WAS FOUND UNTIL THE WRECKAGE OF THE AIRPLANE WAS LOCATED 7 DAYS AFTER DEPARTURE. WITNESSES IN THE AREA OF THE ACCIDENT REPORTED CONTINUOUS RAIN ON THE NIGHT OF THE ACCIDENT. THE LAST NTAP RADAR DATA OF THE AIRPLANE SHOWED A DESCENT FROM 8,000 FEET TO 7,400 FEET BEFORE CONTACT WAS LOST. A METEOROLOGICAL STUDY OF THE ACCIDENT AREA REVEALED AREAS OF LIGHT RAIN WITH A FREEZING LEVEL OF 6,300 FEET.

NTSB Probable Cause Narrative

AN INADVERTENT ENCOUNTER WITH RAIN AND ICING CONDITIONS. FACTORS IN THIS ACCIDENT INCLUDED ENVIRONMENTAL CONDITIONS CONSISTING OF RAIN, ICING, AND DARKNESS, AND THE PILOT'S OVERCONFIDENCE IN HIS ABILITIES TO DEAL WITH THE ENCOUNTERED WEATHER CONDITIONS.

Event Information

Type of Event Accident
Event Date 3/29/1993
Event Day of the Week Monday
Time of Event 2010
Event Time Zone Pacific Standard Time
Event City DUNSMUIR
Event State CALIFORNIA
Event Country --
Zipcode of the event site 96025
Event Date Year 1993
Event Date Month 3
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 Partial - limited by pilot
Investigator's weather source Weather Observation Facility
Time of the weather observation 1920 Pacific Standard Time
Direction of event from weather observation facility (degrees) 165
Weather Observation Facility ID RDD
Elevation of weather observation facility 502
Distance of event from weather observation facility (units?) 30
Time Zone of the weather observation PST
Lighting Conditions Night/Dark
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 14
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 160
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
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 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 695
NTSB Notification Source --
NTSB Notification Date Apr 5 1993 12:00AM
NTSB Notification Time 710
Fiche Number and/or location -used to find docket information 52816
Date of most recent change to record Dec 11 2000 1:11PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N89174
NTSB Number LAX93FA165
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 152
Aircraft Series Identifier 152
Aircraft Serial Number 15282660
Certified Max Gross Weight 1675
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Mar 16 1993 12:00AM
Airframe hours since last inspection --
Airframe Hours 6663
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MINOT, THOMAS
Aircraft Owner Street Address 366 SIERRA VISTA AVE UNIT 1
Aircraft Owner City MOUNTAIN VIEW
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94043
Operator is an individual? --
Operator Name PALO ALTO FLYING CLUB
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1903 EMBARCADERO RD.
Operator City PALO ALTO
Operator State CA
Operator Country
Operator Zip code 94303
Operator Code
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 S03
Departure City ASHLAND
Departure State OR
Departure Country
Departure Time 1906
Departure Time Zone PST
Destination Same as Local Flt --
Destination Airport Code PAO
Destination City PALO ALTO
Destination State CA
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
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 --