# N4305S: 1991 WSK PZL Mielec M-18A

- Status: Valid registration
- Airframe: [WSK PZL Mielec M-18A](https://openairdocs.org/model/wsk-pzl-mielec-m-18a) (registry code 9810103, 2 seats)
- Engine: [Wsk-Pzl-K PZL ASZ-62IR](https://openairdocs.org/engine/wsk-pzl-k-pzl-asz-62ir) (registry code 67203)
- Serial number: 1Z022-12
- Year built: 1991
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: November 26, 1991
- Certificate issued: May 28, 2009
- Expires: April 30, 2030
- Mode S code: A52636
- Registered owner: [Valley Air Service Inc](https://openairdocs.org/faa-owner/VALLEY%20AIR%20SERVICE%20INC)
- Location: [Caldwell, ID](https://openairdocs.org/faa-place/ID/Caldwell)
- Owner type: Corporation
- Owner's area on the map: 43.6455° N, 116.6607° W: Placed by OpenAirDocs: center of Caldwell, ID, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4305S
- Page: https://openairdocs.org/aircraft/N4305S

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 (WSK PZL Mielec M-18A)

None in force.

### Matched by engine (Wsk-Pzl-K PZL ASZ-62IR)

None in force.

## Information bulletins (advisory) (2 in force)

- [SAIB CE-00-27](https://openairdocs.org/saib/CE-00-27): . Issued Jul 11, 2000
- [SAIB CE-00-13](https://openairdocs.org/saib/CE-00-13): . Issued Jan 20, 2000

## NTSB investigations

None matched to N4305S.

## FAA accident and incident reports

None matched to N4305S.

## 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)

None matched to this aircraft's models.

## Related

- Other WSK PZL Mielec M-18A aircraft: https://openairdocs.org/model/wsk-pzl-mielec-m-18a/aircraft.md
- The Wsk-Pzl-K PZL ASZ-62IR engine: https://openairdocs.org/engine/wsk-pzl-k-pzl-asz-62ir.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
