South Lake Tahoe Airport
Aircraft Accident/Incident Report

Crystal Bay, Nevada 89402
Friday, July 17, 1987 19:30 PDT

NTSB Narrative Summary Released at Completion of Accident

WHILE ON AN INSTRUMENT FLIGHT PLAN IN IMC, THE FLIGHT WAS CLEARED FOR AN INSTRUMENT APPROACH TO THE SOUTH LAKE TAHOE AIRPORT, THE INTENDED DESTINATION. THE AIRCRAFT DEPARTED THE INITIAL APPROACH FIX ON THE PUBLISHED TRANSITION TO THE FINAL APPROACH COURSE. RADAR CONTACT WAS LOST AT 11,400 FEET. AFTERWARD, THE ACFT WAS OBSERVED DESCENDING OUT OF CLOUDS AND MANUEVERING ERRATICALLY IN VMC UNTIL IT IMPACTED TERRAIN WITH NO APPARENT ATTEMPT TO RECOVER. MEDICAL RECORDSREVEALED PILOT HAD A HISTORY OF HYPERTENSION, HYPERLIPIDEMIA, AND RECENT LOSS OF 41 POUNDS ON A RIGID WEIGHT LOSS PROGRAM. THE AUTOPSY REVEALED SEVERE ARTERIOSCLOROSIS. MEDICAL RECORDS INDICATED THE PILOT HAD BEEN TAKING DIAZIDE INTERMITTENTLY FOR SEVERAL YEARS. POST-ACCIDENT TOX RESULTS WERE NEGATIVE. THE CIRCUMSTANCES OF THE ACCIDENT, IN COMBINATION WITH THE PILOT'S SEVERE DIET, MEDICAL HISTORY, AND POSTMORTEM EXAMINATION RESULTS SUPPORT THE CONCLUSION THAT THE PILOT BECAME INCAPACITATED IN FLIGHT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/17/1987
Event Day of the Week Friday
Time of Event 1930
Event Time Zone Pacific Daylight Time
Event City CRYSTAL BAY
Event State NEVADA
Event Country --
Zipcode of the event site 89402
Event Date Year 1987
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SOUTH LAKE TAHOE
Event Location Nearest Airport ID TVL
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 6264
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1942 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 155
Weather Observation Facility ID 3SW
Elevation of weather observation facility 6264
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 3200
Lowest Non-Ceiling Height 0
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) 30
Air Temperature at event time (in degrees celsius) 6
Dew Point at event time (in degress fahrenheit) -2
Wind Direction (degrees magnetic) 160
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 7700
Intensity of Precipitation Unknown
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 4
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 1874
NTSB Notification Source --
NTSB Notification Date Jul 17 1987 12:00AM
NTSB Notification Time 2015
Fiche Number and/or location -used to find docket information 35314
Date of most recent change to record Dec 13 2000 2:37PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1870S
NTSB Number SEA87FA141
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion Ground
Aircraft Manufacturer's Full Name BEECH
Aircraft Model B200
Aircraft Series Identifier B200
Aircraft Serial Number BB1106
Certified Max Gross Weight 12500
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 11
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Jul 14 1987 12:00AM
Airframe hours since last inspection 1
Airframe Hours 478
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SKYWATER LODGE
Aircraft Owner Street Address
Aircraft Owner City GLENBROOK
Aircraft Owner State NV
Aircraft Owner Country
Aircraft Owner Zipcode 89413
Operator is an individual? --
Operator Name RICHARD P. LIEBERMAN
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1499 SUTTER ST.
Operator City SAN FRANCISCO
Operator State CA
Operator Country
Operator Zip code 94109
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 HWD
Departure City HAYWARD
Departure State CA
Departure Country
Departure Time 1844
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code 3SW
Destination City S. LAKE TAHOE
Destination State CA
Destination Country
Specific Phase of Flight Descent
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 18
Runway Length 8544
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --