# N666N: 1930 Waco CTO

- Status: Valid registration
- Airframe: [Waco CTO](https://openairdocs.org/model/waco-cto) (registry code 9601214, 3 seats)
- Engine: [Wright 760A B D E&ET](https://openairdocs.org/engine/wright-760a-b-d-e-et) (registry code 67009)
- Data sheets: [TCDS ATC 257](https://openairdocs.org/tcds/ATC%20257) (The Waco Aircraft Company) (OpenAirDocs)
- Serial number: 3117
- Year built: 1930
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: June 3, 2024
- Expires: June 30, 2031
- Mode S code: A8CBAF
- Registered owner: [Artemis Aviation Group LLC](https://openairdocs.org/faa-owner/ARTEMIS%20AVIATION%20GROUP%20LLC)
- Location: [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell)
- Owner type: LLC
- Owner's area on the map: 48.2306° N, 114.4033° W: Placed by OpenAirDocs at the center of ZIP code 59901, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=666N
- Page: https://openairdocs.org/aircraft/N666N

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 (Waco CTO)

None in force.

### Matched by engine (Wright 760A B D E&ET)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N666N.

## FAA accident and incident reports

None matched to N666N.

## 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) (5)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Waco CTO)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc
- [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing. Airwolf Filter Corporation
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International

## Related

- Other Waco CTO aircraft: https://openairdocs.org/model/waco-cto/aircraft.md
- The Wright 760A B D E&ET engine: https://openairdocs.org/engine/wright-760a-b-d-e-et.md

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