Mountain Valley Airport
Aircraft Accident/Incident Report

Tehachapi, California 93561
Tuesady, July 19, 1994 15:00 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT PLANNED TO GIVE THE PASSENGER A DEMONSTRATION FLIGHT IN THE GLIDER. THE OPERATOR REPORTED THAT THE REAR PORTION OF THE GLIDER'S CANOPY OPENED UP DURING TAKEOFF. THE PILOT RELEASED THE TOW LINE AND THEN LANDED AHEAD ON THE REMAINING RUNWAY. AFTER TOUCHDOWN, THE GLIDER GROUND LOOPED AND THE EMPENNAGE SEPARATED FROM THE FUSELAGE. THE GLIDER'S CANOPY LATCHING MECHANISM WAS SUBSEQUENTLY EXAMINED BY AN AIRCRAFT MECHANIC. THE LATCHING MECHANISM WAS FOUND IN WORKING ORDER.

NTSB Probable Cause Narrative

the pilot's failure to secure the canopy before takeoff, and his failure to maintain directional control during landing rollout.

Event Information

Type of Event Accident
Event Date 7/19/1994
Event Day of the Week Tuesday
Time of Event 1500
Event Time Zone Pacific Daylight Time
Event City TEHACHAPI
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93561
Event Date Year 1994
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MOUNTAIN VALLEY
Event Location Nearest Airport ID L94
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 4220
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
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) 27
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 15
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 1
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1426
NTSB Notification Source --
NTSB Notification Date Jul 19 1994 12:00AM
NTSB Notification Time 1645
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 11:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N38366
NTSB Number LAX94LA293
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Burkhart Grob
Aircraft Model G103
Aircraft Series Identifier G103
Aircraft Serial Number 3760
Certified Max Gross Weight 1279
Aircraft Category Glider
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 --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 12 1994 12:00AM
Airframe hours since last inspection 62
Airframe Hours 3065
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JOHN P. CHAPMAN
Aircraft Owner Street Address 9815 BARLOW RD.
Aircraft Owner City FAIRFAX
Aircraft Owner State VA
Aircraft Owner Country
Aircraft Owner Zipcode 22031
Operator is an individual? --
Operator Name SKYLARK NORTH
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 918
Operator City TEHACHAPI
Operator State CA
Operator Country
Operator Zip code 93581
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 L94
Departure City MOUNTAIN VALLEY
Departure State CA
Departure Country
Departure Time 1455
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code L94
Destination City
Destination State CA
Destination Country
Specific Phase of Flight Standing
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 27R
Runway Length 5190
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --