# Nicholson William L THORP T18CWS

- Type: Aircraft model (FAA registry)
- Registry code: 89510R4
- Manufacturer (registry): NICHOLSON WILLIAM L
- Model: THORP T18CWS
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/nicholson-william-l-thorp-t18cws

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (2)

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.

- [NTSB DEN00LA163](https://openairdocs.org/ntsb/DEN00LA163), Sep 3, 2000: Nicholson Thorp T-18CWS (N24WN), Tooele, UT, destroyed, 2 fatal. Probable cause: Failure by the pilot to maintain control of the airplane during aerobatic maneuvers as a result of his alcohol impairment. Factors were: The pilot's inadequate planning and decision making and the…
- [NTSB SEA96LA065](https://openairdocs.org/ntsb/SEA96LA065), Feb 28, 1996: Nicholson Thorp T18CWS (N24WN), Grantsville, UT, substantial damage. Probable cause: the pilot's failure to maintain clearance from a powerline. A transmission wire and an oil pressure reading of zero were factors.

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20000902013759A](https://openairdocs.org/incident/20000902013759A), Sep 2, 2000: N24WN, Knolls, UT, No damage, 2 fatal. (-23) Pilot observed flying high speed low level maneuvers over a popular outdoor recreation area. Witnesses state they heard his engine loose power while…
- [Accident 19960227003169A](https://openairdocs.org/incident/19960227003169A), Feb 27, 1996: Amtr THORPT18 (N24WN), Grantsville, UT, Substantial damage. Low oil pressure, elected to make emergency landing on service road, hit powerline, crashed. (.4)the pilot reported that while flying at 600 feet above ground…

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