# N261PD: 1942 Boeing PT-13D

- Status: Valid registration
- Airframe: [Boeing PT-13D](https://openairdocs.org/model/boeing-pt-13d) (registry code 1380122, 2 seats)
- Engine: [Lycoming R680E series](https://openairdocs.org/engine/lycoming-r680e-series) (registry code 41545)
- Data sheets: [TCDS E-202](https://openairdocs.org/tcds/E-202) (Textron Lycoming AVCO Corporation) (OpenAirDocs)
- Serial number: 75-5669
- Year built: 1942
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: November 1, 1982
- Certificate issued: June 5, 2019
- Expires: June 30, 2029
- Mode S code: A283FD
- Registered owner: [Yellow Bird Aviation LLC](https://openairdocs.org/faa-owner/YELLOW%20BIRD%20AVIATION%20LLC)
- Location: [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix)
- Owner type: LLC
- Owner's area on the map: 33.6874° N, 111.9989° W: Placed by OpenAirDocs at the center of ZIP code 85050, 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=261PD
- Page: https://openairdocs.org/aircraft/N261PD

From the FAA registry file of October 22, 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. The registry lists only the engine series, so ADs for every Lycoming R680E model are included.

## ADs that may apply (OpenAirDocs): 5 in force

### Matched by airframe (Boeing PT-13D)

None in force.

### Matched by engine (Lycoming R680E series)

- [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 N261PD.

## FAA accident and incident reports

None matched to N261PD.

## 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) (6)

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 R680E series)

- [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. Lists R-680-E1
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists R-680-E1
- [STC SE2407CE](https://openairdocs.org/stc/SE2407CE): Add the following approved fuel: unleaded automotive gas, 91 minimum antiknock index and leaded automotive gas, 91 minimum antiknock index, (RON+MON)/2. Petersen Aviation Inc. Lists R-680E3
- [STC SE2408CE](https://openairdocs.org/stc/SE2408CE): Add the following approved fuel: unleaded automotive gas, 91 minimum antiknock index and leaded automotive gas, 91 minimum antiknock index, (RON+MON)/2. Petersen Aviation Inc. Lists R-680E1
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists R-680 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists R-680 Series

## Related

- Other Boeing PT-13D aircraft: https://openairdocs.org/model/boeing-pt-13d/aircraft.md
- The Lycoming R680E series engine: https://openairdocs.org/engine/lycoming-r680e-series.md

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