# Cowley Jason RANS DESIGNS S-21

- Type: Aircraft model (FAA registry)
- Registry code: 05642M6
- Manufacturer (registry): COWLEY JASON
- Model: RANS DESIGNS S-21
- 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: 1
- Page: https://openairdocs.org/model/cowley-jason-rans-designs-s-21

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 (1)

- [N340JH](https://openairdocs.org/aircraft/N340JH): [Cowley Jason T](https://openairdocs.org/faa-owner/COWLEY%20JASON%20T), [Liberty, MO](https://openairdocs.org/faa-place/MO/Liberty), built 2025, S/N 05230331

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports (1)

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.

- [Incident 20250904021169I](https://openairdocs.org/incident/20250904021169I), Sep 4, 2025: Cowley Jason RANS DESIGNS S-21 (N340JH), Lee'S Summit, MO, Minor damage. Pilot experienced an in-flight engine failure shortly after departure from runway 36. The aircraft had reached an altitude of approximately 450 feet AGL on…

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [James L Harvey RANS DESIGNS S-21](https://openairdocs.org/model/james-l-harvey-rans-designs-s-21): 0 registered aircraft, registry code 05640D1

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