# N304BS: 2000 HPH GLASFLUGEL 304CZ

- Status: Valid registration
- Airframe: [HPH GLASFLUGEL 304CZ](https://openairdocs.org/model/hph-glasflugel-304cz) (registry code 05606KP, 2 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: 27
- Year built: 2000
- Type: Glider
- Engine type: None
- Airworthiness: Standard, utility
- Airworthiness date: November 15, 2000
- Certificate issued: September 7, 2023
- Expires: September 30, 2030
- Mode S code: A32E58
- Registered owner: [Bates Matthew T](https://openairdocs.org/faa-owner/BATES%20MATTHEW%20T)
- Location: [Springfield, VA](https://openairdocs.org/faa-place/VA/Springfield)
- Owner type: Individual
- Owner's area on the map: 38.7729° N, 77.1865° W: Placed by OpenAirDocs at the center of ZIP code 22150, 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=304BS
- Page: https://openairdocs.org/aircraft/N304BS

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)

- [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 (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA26LA311](https://openairdocs.org/ntsb/ERA26LA311), Aug 21, 2026: HPH Glasflugel 304CZ (N304BS), Xenia, OH, substantial damage. Probable cause: The glider’s encounter with atmospheric conditions where lift was not sufficient to maintain flight.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20260821011809A](https://openairdocs.org/incident/20260821011809A), Aug 21, 2026: Hph Ltd GLASFLUGEL 304CZ (N304BS), Jamestown, OH, Substantial damage. Departed 20H9 at 13:35 with the intention of landing back at 20H9. Gates opened at 15:35. Made first turn point and started toward second turn point. The day…

## 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)

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

## Related

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

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