# N33DF: 1994 Glaser-Dirks DG-800

- Status: Valid registration
- Airframe: [Glaser-Dirks DG-800](https://openairdocs.org/model/glaser-dirks-dg-800) (registry code 3805013, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 8-35A27
- Year built: 1994
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, exhibition
- Airworthiness date: December 8, 1994
- Certificate issued: October 20, 2004
- Expires: August 31, 2028
- Mode S code: A393C7
- Registered owner: [Siebert Rolf M](https://openairdocs.org/faa-owner/SIEBERT%20ROLF%20M)
- Location: [Moriarty, NM](https://openairdocs.org/faa-place/NM/Moriarty)
- Owner type: Individual
- Owner's area on the map: 34.9520° N, 105.9094° W: Placed by OpenAirDocs at the center of ZIP code 87035, 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=33DF
- Page: https://openairdocs.org/aircraft/N33DF

From the FAA registry file of October 21, 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 (Glaser-Dirks DG-800)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N33DF.

## FAA accident and incident reports

None matched to N33DF.

## Service difficulty reports

None filed for this aircraft. Reports filed since May 5, 1981, when the mark's previous registration was cancelled.

## Earlier aircraft with N33DF

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N33DF before.

- [Cancelled 1981-05-05](https://openairdocs.org/deregistered/N33DF-1981-05-05): Cessna T210L, S/N 21061228, built 1976. Owner: [D & D Enterprises Inc](https://openairdocs.org/faa-owner/D%20%26%20D%20ENTERPRISES%20INC), [Laramie, WY](https://openairdocs.org/faa-place/WY/Laramie)

## Related

- Other Glaser-Dirks DG-800 aircraft: https://openairdocs.org/model/glaser-dirks-dg-800/aircraft.md
- STCs for the Glaser-Dirks DG-800: https://openairdocs.org/model/glaser-dirks-dg-800/stcs.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.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.