# NTSB CEN10CA505: Schleicher ASW-20, N31TS, Waynesville, OH, August 25, 2010

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Data collection · Final report
- Date: August 25, 2010, 15:00 local (19:00 UTC)
- Place: Waynesville, OH
- Coordinates: 39.476665, -84.093612 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.4767&lon=-84.0936&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Defining event: [Takeoff: Loss of control on ground](https://openairdocs.org/ntsb-events/230)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 20, 2010
- Report: Approved by Office Director
- NTSB office: Central Region
- Parties: Federal Aviation Administration
- NTSB case key (mKey): 77125
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN10CA505
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/77125/pdf
- Page: https://openairdocs.org/ntsb/CEN10CA505

## Probable cause

The pilot's loss of aircraft control during the tow for takeoff.

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Performance/control parameters: lateral/bank control](https://openairdocs.org/ntsb-findings/01062023): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Schleicher ASW-20, 2 cases](https://openairdocs.org/ntsb-findings/01062023/cases.md?model=3801506), [All aircraft, 390 cases](https://openairdocs.org/ntsb-findings/01062023/cases.md)
- [Object/animal/substance: pole](https://openairdocs.org/ntsb-findings/03022010): Environmental issues › Physical environment · Contributed to outcome; cases with it: [Schleicher ASW-20, 1 case](https://openairdocs.org/ntsb-findings/03022010/cases.md?model=3801506), [All aircraft, 142 cases](https://openairdocs.org/ntsb-findings/03022010/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Takeoff: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Schleicher ASW-20, 1 case](https://openairdocs.org/ntsb-events/230/sequence.md?model=3801506), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md)
- [Takeoff-rejected takeoff: Collision during takeoff/land](https://openairdocs.org/ntsb-events/490); cases with it: [Schleicher ASW-20, 2 cases](https://openairdocs.org/ntsb-events/490/sequence.md?model=3801506), [All aircraft, 1,309 cases](https://openairdocs.org/ntsb-events/490/sequence.md)

## Analysis

The glider pilot reported that the glider's right wing dropped and the glider ground looped as it was being towed for takeoff. The tow was released and the glider sustained substantial damage when it struck a pole on the side of the runway.

## Factual narrative

The glider pilot reported that the glider's right wing dropped and the glider ground looped as it was being towed for takeoff. The tow was released and the glider sustained substantial damage when it struck a pole on the side of the runway.

## Aircraft

- Registration: [N31TS](https://openairdocs.org/aircraft/N31TS), registered now, S/N 20598, built 1982 (OpenAirDocs)
- Reported make and model: SCHLEICHER ASW-20
- Registry model: [Schleicher ASW-20](https://openairdocs.org/model/schleicher-asw-20) (registry code 3801506) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Serial number: 20598
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Michael L. Hutchison
- Registered owner: Ventus Holdings LLC
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, March 1, 2010
- Departed: 2OH9, Waynesville, OH
- Destination: 2OH9, Waynesville, OH
- Flight plan: Unknown
- Airport: 2OH9, Caesar Creek Gliderport, runway 27, 2,800 × 150 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 61; injuries: none; private; airplane ratings: single-engine land; medical: class 3, with waivers/limitations; last flight review September 21, 2008; seat: single; flight hours: 3,000 total, 19 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: 8,000 ft broken
- Temperature: 66 °F, dew point 63 °F
- Altimeter: 29.98 inHg
- Observed at: MGY

## 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 20100825045519A](https://openairdocs.org/incident/20100825045519A), Aug 25, 2010: Schleicher ASW-20, Waynesville, OH, Substantial damage. On August 25, 2010 at 15:00 EDT, a Schleicher ASW-20, N31TS, registered to ventus holdings LLC, collided with a wind sock pole during an aborted takeoff at the…

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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