# N28700: Spartan NP-1

- Status: Valid registration
- Airframe: [Spartan NP-1](https://openairdocs.org/model/spartan-np-1) (registry code 8430303, 3 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: 47
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, showing compliance
- Airworthiness date: June 14, 1995
- Certificate issued: April 23, 2018
- Expires: April 30, 2028
- Mode S code: A2EA6D
- Registered owner: [Tulsa Air And Space Museum Inc](https://openairdocs.org/faa-owner/TULSA%20AIR%20AND%20SPACE%20MUSEUM%20INC)
- Location: [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)
- Owner type: Corporation
- Owner's area on the map: 36.1993° N, 95.9089° W: Placed by OpenAirDocs at the center of ZIP code 74115, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=28700
- Page: https://openairdocs.org/aircraft/N28700

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 (Spartan NP-1)

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 N28700.

## FAA accident and incident reports

None matched to N28700.

## 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

## Related

- Other Spartan NP-1 aircraft: https://openairdocs.org/model/spartan-np-1/aircraft.md
- The Lycoming R680 engine: https://openairdocs.org/engine/lycoming-r680.md

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