# NTSB MKC89LA131: Glaser-Dirks DG-101, N83GB, Stanton, MN, June 11, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 11, 1989, 13:10 local (18:10 UTC)
- Place: Stanton, MN
- Location: 44.4755° N, 93.0163° W: Placed by OpenAirDocs at STANTON AIRFIELD (SYN), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.4755&lon=-93.0163&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 19, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 34808
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC89LA131
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34808/pdf
- Page: https://openairdocs.org/ntsb/MKC89LA131

## Probable cause

FAILURE OF THE PILOT TO MAINTAIN CONTROL OF THE GLIDER. CONTRIBUTING FACTORS WERE: IMPROPER USE OF FLIGHT CONTROLS BY THE PILOT AND HIS LACK OF TOTAL EXPERIENCE IN THE TYPE OF GLIDER.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - in flight, takeoff - initial climb
  - flight controls - improper use of, pilot in command (contributing factor)
  - aborted takeoff - initiated, pilot in command
  - glider/tow release - performed, pilot in command
  - aircraft control - not maintained, pilot in command (cause)
  - lack of total experience in type of aircraft, pilot in command (contributing factor)
- In flight collision with terrain/water, takeoff - aborted

## Analysis

THE PILOT SAID THAT AFTER A NORMAL LIFT-OFF, THE GLIDER BOUNCED, CAUSING IT TO RISE RAPIDLY TO ABOUT 50 FEET AGL. HE ELECTED TO RELEASE FROM THE TOW AIRCRAFT AND LAND STRAIGHT AHEAD. HOWEVER, THE RIGHT WING STRUCK THE GROUND AND THE GLIDER CAME TO REST INVERTED WITH SUBSTANTIAL DAMAGE. THE PILOT HAD A TOTAL OF 35 HOURS IN GLIDERS OF WHICH 2 HOURS WERE IN THIS MAKE AND MODEL OF GLIDER.

## Aircraft

- Registration: [N83GB](https://openairdocs.org/deregistered/N83GB-1991-05-28), registration cancelled 1991-05-28, S/N E133G101 (OpenAirDocs)
- Reported make and model: GLASER-DIRKS DG-101
- Registry model: [Glaser-Dirks Flugzeugbau DG-100](https://openairdocs.org/model/glaser-dirks-flugzeugbau-dg-100) (registry code 3802502) (OpenAirDocs)
- Category: Glider
- Serial number: E-133
- Airframe hours: 110
- Engines: unknown
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Shallbetter, Daniel G.
- Registered owner: Shallbetter, Daniel
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Unknown, April 25, 1989, 6 hours before
- Departed: SYN, STANTON, MN
- Airport: SYN, Stanton, runway 18, 2,582 × 300 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 225 total, 2 in this make and model, 180 as pilot in command, 6 in the last 90 days, 3 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 10 knots
- Visibility: 15 statute miles
- Lowest ceiling: 7,500 ft broken
- Temperature: 81 °F, dew point 54 °F
- Altimeter: 29.00 inHg
- Observed at: MSP, 25 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19890611015169A](https://openairdocs.org/incident/19890611015169A), Jun 11, 1989: Amtr DG1, Stanton, MN, Substantial damage. After glider tow liftoff bounced back on runway. Too high behind towplane. Cut loose and cartwheeled on landing.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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