# N4ZD: 1978 Eiriavion PIK 20D

- Status: Valid registration
- Airframe: [Eiriavion PIK 20D](https://openairdocs.org/model/eiriavion-pik-20d) (registry code 5760206, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G31EU](https://openairdocs.org/tcds/G31EU) (Eiriavion Oy) (OpenAirDocs)
- Serial number: 20620
- Year built: 1978
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: July 14, 1978
- Certificate issued: December 23, 2009
- Expires: March 31, 2029
- Mode S code: A4AA32
- Registered owner: [Coussens Thomas](https://openairdocs.org/faa-owner/COUSSENS%20THOMAS)
- Location: [Valencia, CA](https://openairdocs.org/faa-place/CA/Valencia)
- Owner type: Individual
- Owner's area on the map: 34.4019° N, 118.5700° W: Placed by OpenAirDocs at the center of ZIP code 91355, 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=4ZD
- Page: https://openairdocs.org/aircraft/N4ZD

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): 3 in force

### Matched by airframe (Eiriavion PIK 20D)

- [AD 97-08-06 R1](https://openairdocs.org/ad/97-08-06-R1): Quick Connectors · Alexander Schleicher AS-K 13, AS 12, ASK 21 and 39 more. Effective Aug 1, 1997
- [AD 84-15-07](https://openairdocs.org/ad/84-15-07): Rudder Bottom Hinge Bracket · Eiriavion PIK-20, PIK-20B and PIK-20D. Effective Nov 23, 1984
- [AD 77-16-08](https://openairdocs.org/ad/77-16-08): Wing Panels · Eiriavion PIK-20D. Effective Aug 8, 1977

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4ZD.

## FAA accident and incident reports

None matched to N4ZD.

## 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 Eiriavion PIK 20D aircraft: https://openairdocs.org/model/eiriavion-pik-20d/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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