# N9911: 1979 Experimental NEYS D260

- Status: Valid registration
- Airframe: [Experimental NEYS D260](https://openairdocs.org/model/experimental-neys-d260) (registry code 05601JW, 2 seats)
- Engine: [Lycoming R680](https://openairdocs.org/engine/lycoming-r680) (registry code 41540)
- Data sheets: [TCDS ATC 42 Textron Lycoming](https://openairdocs.org/tcds/ATC%2042%20Textron%20Lycoming) (Textron Lycoming AVCO Corporation) (OpenAirDocs)
- Serial number: 522
- Year built: 1979
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 2, 1980
- Certificate issued: May 8, 2020
- Expires: May 31, 2027
- Mode S code: ADD8D5
- Registered owner: [August Aero LLC](https://openairdocs.org/faa-owner/AUGUST%20AERO%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=9911
- Page: https://openairdocs.org/aircraft/N9911

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): 5 in force

### Matched by airframe (Experimental NEYS D260)

None in force.

### Matched by engine (Lycoming R680)

- [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N9911.

## 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 19951027039029I](https://openairdocs.org/incident/19951027039029I), Oct 27, 1995: Amtrda D260 (N9911), Albany, NY, Minor damage. Narrative: aircraft departed bennett airport (north creek, NY). Pilot was unable to find saratoga county to refuel. Saw Albany airport and landed on runway 10…

## 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) (1)

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 engine (Lycoming R680)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC

## Earlier aircraft with N9911

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N9911 before.

- [Cancelled 1941-03-01](https://openairdocs.org/deregistered/N9911-1941-03-01): Travel Air 2000, S/N 1121. Owner: [Robert A Metzgar](https://openairdocs.org/faa-owner/ROBERT%20A%20METZGAR), [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)

## Related

- Other Experimental NEYS D260 aircraft: https://openairdocs.org/model/experimental-neys-d260/aircraft.md
- The Lycoming R680 engine: https://openairdocs.org/engine/lycoming-r680.md

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