# Stewart OW-6-M

- Type: Aircraft model (FAA registry)
- Registry code: 70401TY
- Manufacturer (registry): STEWART AIRCRAFT
- Model: OW-6-M
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS TC 636](https://openairdocs.org/tcds/TC%20636) (OpenAirDocs)
- Holder: Stewart Aircraft Industries Inc.
- Registered aircraft: 0
- Page: https://openairdocs.org/model/stewart-ow-6-m

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

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## STCs that may be installed (OpenAirDocs) (1)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC

## PMA parts (OpenAirDocs) (2)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [73-CFG-R](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164072180320260806152433.0001): Fuel Quantity Indication Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · Jul 20, 2026
- [S1069](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122207950720260806152340.0001): 100R Fuel Placard. Swift Fuels, LLC · PMA PQ04423CE · Modification part · Jul 20, 2026

## The same model under other registry codes

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

- [Welch Lenna WELCH OW6M](https://openairdocs.org/model/welch-lenna-welch-ow6m): 0 registered aircraft, registry code 05620OQ
- [Welch OW6M](https://openairdocs.org/model/welch-ow6m): 0 registered aircraft, registry code 0764605

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