Heber Valley Airport
Aircraft Accident/Incident Report

Heber City, Utah 84032
Tuesady, March 8, 1994 15:00 MST

NTSB Narrative Summary Released at Completion of Accident

WHILE BEING TOWED DURING A TAKEOFF ROLL, THE DUAL GLIDER STUDENT WAS NOT ABLE TO MAINTAIN DIRECTIONAL CONTROL. THE INSTRUCTOR PILOT TOOK CONTROL OF THE AIRCRAFT, AND ELECTED TO CONTINUE THE TAKEOFF. HIS REMEDIAL ACTIONS WERE INADEQUATE TO KEEP THE AIRCRAFT FROM DEPARTING THE RUNWAY, AND HE DID NOT INITIATE AN ABORT UNTIL AFTER THE GLIDER STRUCK A TAXIWAY MARKER.

NTSB Probable Cause Narrative

THE FLIGHT INSTRUCTOR'S DELAYED/INADEQUATE REMEDIAL ACTION. FACTORS INCLUDE THE STUDENT PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL, AND UNFAVORABLE/VARIABLE, GUSTY WINDS DURING THE TAKEOFF ROLL.

Event Information

Type of Event Accident
Event Date 3/8/1994
Event Day of the Week Tuesday
Time of Event 1500
Event Time Zone Mountain Standard Time
Event City HEBER CITY
Event State UTAH
Event Country --
Zipcode of the event site 84032
Event Date Year 1994
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport HEBER VALLEY AIRPORT
Event Location Nearest Airport ID 36U
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 5632
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) 7
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
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 None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 442
NTSB Notification Source --
NTSB Notification Date Mar 8 1994 12:00AM
NTSB Notification Time 1430
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 10:52AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5790S
NTSB Number SEA94LA078
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 SCHWEIZER
Aircraft Model 2-33A
Aircraft Series Identifier 2-33A
Aircraft Serial Number 117
Certified Max Gross Weight 1040
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 Nov 4 1993 12:00AM
Airframe hours since last inspection 44
Airframe Hours 2291
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ROWSER, LELAND C.
Aircraft Owner Street Address 844 E VALLEY HILLS DR.
Aircraft Owner City HEBER CITY
Aircraft Owner State UT
Aircraft Owner Country
Aircraft Owner Zipcode 84032
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1500
Departure Time Zone MST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 21
Runway Length 6900
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --