# N603M: Dehavilland DHC-6 TWIN OTTER

- Status: Sale reported
- Airframe: [Dehavilland DHC-6 TWIN OTTER](https://openairdocs.org/model/dehavilland-dhc-6-twin-otter) (registry code 2802606, 16 seats)
- Serial number: 209
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Mode S code: A7D377
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Corporation
- Owner's area on the map: 35.4676° N, 97.5164° W: Placed by OpenAirDocs: center of Oklahoma City, OK, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=603M
- Page: https://openairdocs.org/aircraft/N603M

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Dehavilland DHC-6 TWIN OTTER)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N603M.

## FAA accident and incident reports

None matched to N603M.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N603M

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N603M before.

- [Cancelled 1930-11-24](https://openairdocs.org/deregistered/N603M-1930-11-24): Fleet 2, S/N 179. Owner: [Pochontas Air Transport Corp](https://openairdocs.org/faa-owner/POCHONTAS%20AIR%20TRANSPORT%20CORP), [Bluefield, WV](https://openairdocs.org/faa-place/WV/Bluefield)

## Related

- Other Dehavilland DHC-6 TWIN OTTER aircraft: https://openairdocs.org/model/dehavilland-dhc-6-twin-otter/aircraft.md

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