# N304SA: 1999 HPH GLASFLUGEL 304CZ-17

- Status: Valid registration
- Airframe: [HPH GLASFLUGEL 304CZ-17](https://openairdocs.org/model/hph-glasflugel-304cz-17) (registry code 056118I, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS G12CE](https://openairdocs.org/tcds/G12CE) (HPH s.r.o.) (OpenAirDocs)
- Serial number: 12
- Year built: 1999
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: December 1, 1999
- Certificate issued: January 26, 2006
- Expires: June 30, 2029
- Mode S code: A32FBF
- Registered owner: [Hahn Peter](https://openairdocs.org/faa-owner/HAHN%20PETER)
- Location: [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego)
- Owner type: Individual
- Owner's area on the map: 32.7153° N, 117.1573° W: Placed by OpenAirDocs: center of San Diego, CA, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=304SA
- Page: https://openairdocs.org/aircraft/N304SA

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 (HPH GLASFLUGEL 304CZ-17)

- [AD 2019-04-01](https://openairdocs.org/ad/2019-04-01): Equipment/ Furnishing · HPH s.r.o. Glasflugel 304 C, Glasflugel 304 CZ and Glasflugel 304 CZ-17. Effective Apr 23, 2019
- [AD 2012-16-03](https://openairdocs.org/ad/2012-16-03): Flight controls · HPH s.r.o. Glasflugel 304 C, Glasflugel 304 CZ and Glasflugel 304 CZ-17. Effective Sep 12, 2012
- [AD 2004-09-03](https://openairdocs.org/ad/2004-09-03): Airbrake Handle Attachment Rivet Material · HPH s.r.o. Glasflugel 304 C, Glasflugel 304 CZ and Glasflugel 304 CZ-17. Effective Jun 11, 2004

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N304SA.

## FAA accident and incident reports

None matched to N304SA.

## 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 airframe (HPH GLASFLUGEL 304CZ-17)

- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc

## Related

- Other HPH GLASFLUGEL 304CZ-17 aircraft: https://openairdocs.org/model/hph-glasflugel-304cz-17/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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