# N878KS: 1971 P Z L Warszawa PZL-104 WILGA 35A

- Status: Valid registration
- Airframe: [P Z L Warszawa PZL-104 WILGA 35A](https://openairdocs.org/model/p-z-l-warszawa-pzl-104-wilga-35a) (registry code 7360101, 4 seats)
- Engine: [Wsk-Pzl-K AI-14R series](https://openairdocs.org/engine/wsk-pzl-k-ai-14r-series) (registry code 67205)
- Data sheets: [TCDS E11NE](https://openairdocs.org/tcds/E11NE) (Wytwornia Sprzetu Komunikacyjnego) (OpenAirDocs)
- Serial number: 61122
- Year built: 1971
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: October 30, 2020
- Certificate issued: May 27, 2020
- Expires: May 31, 2027
- Mode S code: AC1500
- Registered owners: [Colvin Clu D DBA](https://openairdocs.org/faa-owner/COLVIN%20CLU%20D%20DBA), [Top Notch Aircraft](https://openairdocs.org/faa-owner/TOP%20NOTCH%20AIRCRAFT)
- Location: [Big Cabin, OK](https://openairdocs.org/faa-place/OK/Big%20Cabin)
- Owner type: Individual
- Owner's area on the map: 36.5477° N, 95.3156° W: Placed by OpenAirDocs at the center of ZIP code 74332, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=878KS
- Page: https://openairdocs.org/aircraft/N878KS

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. The registry lists only the engine series, so ADs for every Wsk-Pzl-K AI-14R model are included.

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

### Matched by airframe (P Z L Warszawa PZL-104 WILGA 35A)

None in force.

### Matched by engine (Wsk-Pzl-K AI-14R series)

None in force.

## Information bulletins (advisory) (1 in force)

- [SAIB CE-09-24](https://openairdocs.org/saib/CE-09-24): Fuselage - Maintenance Program and Fuselage Front Posts - Inspection/Repair. Issued Apr 20, 2009

## NTSB investigations

None matched to N878KS.

## FAA accident and incident reports

None matched to N878KS.

## 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) (2)

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 (Wsk-Pzl-K AI-14R 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 AI-14RA
- [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 AI-14RA

## Related

- Other P Z L Warszawa PZL-104 WILGA 35A aircraft: https://openairdocs.org/model/p-z-l-warszawa-pzl-104-wilga-35a/aircraft.md
- The Wsk-Pzl-K AI-14R series engine: https://openairdocs.org/engine/wsk-pzl-k-ai-14r-series.md

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