# N533BG: 2007 Schempp-Hirth Flugzeugbau DUO DISCUS

- Status: Valid registration
- Airframe: [Schempp-Hirth Flugzeugbau DUO DISCUS](https://openairdocs.org/model/schempp-hirth-flugzeugbau-duo-discus) (registry code 3801901, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G85EU](https://openairdocs.org/tcds/G85EU) (Schempp-Hirth Flugzeugbau GmbH) (OpenAirDocs)
- Serial number: 533
- Year built: 2007
- Type: Glider
- Engine type: None
- Airworthiness: Standard, utility
- Airworthiness date: August 17, 2007
- Certificate issued: November 5, 2024
- Expires: November 30, 2031
- Mode S code: A6BBB2
- Registered owners: [Guerin Marianne](https://openairdocs.org/faa-owner/GUERIN%20MARIANNE), [Suter Laurence](https://openairdocs.org/faa-owner/SUTER%20LAURENCE), [Van Nierop Ernst](https://openairdocs.org/faa-owner/VAN%20NIEROP%20ERNST)
- Location: [Lafayette, CA](https://openairdocs.org/faa-place/CA/Lafayette)
- Owner type: Co-owned
- Owner's area on the map: 37.9010° N, 122.1191° W: Placed by OpenAirDocs at the center of ZIP code 94549, 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=533BG
- Page: https://openairdocs.org/aircraft/N533BG

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): 7 in force

### Matched by airframe (Schempp-Hirth Flugzeugbau DUO DISCUS)

- [AD 2025-04-14](https://openairdocs.org/ad/2025-04-14): Passenger/Crew Doors · Schempp-Hirth Flugzeugbau Duo-Discus and Duo Discus T. Effective Apr 8, 2025
- [AD 2023-03-14](https://openairdocs.org/ad/2023-03-14): Drag Control System · Schempp-Hirth Flugzeugbau Duo-Discus and Duo Discus T. Effective Apr 5, 2023
- [AD 2023-03-10](https://openairdocs.org/ad/2023-03-10): Elevator Control System · Schempp-Hirth Flugzeugbau Duo-Discus and Duo Discus T. Effective Feb 24, 2023
- [AD 2021-26-25](https://openairdocs.org/ad/2021-26-25): Drag Control System · Schempp-Hirth Flugzeugbau Duo-Discus and Duo Discus T. Effective Feb 24, 2022
- [AD 2015-20-11](https://openairdocs.org/ad/2015-20-11): Flight controls · Schempp-Hirth Flugzeugbau Duo-Discus and Duo Discus T. Effective Nov 18, 2015
- [AD 2004-24-11](https://openairdocs.org/ad/2004-24-11): Spar cap and spar web · Schempp-Hirth Flugzeugbau Duo-Discus. Effective Dec 30, 2004
- [AD 2003-16-51](https://openairdocs.org/ad/2003-16-51): Spar cap · Schempp-Hirth Flugzeugbau Duo-Discus. Effective Aug 20, 2003

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory) (1 in force)

- [SAIB CE-08-07](https://openairdocs.org/saib/CE-08-07): Doors. Issued Nov 26, 2007

## 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 CEN11CA440](https://openairdocs.org/ntsb/CEN11CA440), Jul 1, 2011: Schempp-Hirth Flugzeugbau DUO Discus (N533BG), Stonewall, TX, substantial damage. Probable cause: The loss of directional control during an off-field landing in gusting wind.

## FAA accident and incident reports (2)

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.

- [Incident 20140824016289I](https://openairdocs.org/incident/20140824016289I), Aug 24, 2014: Schempp-Hirth Flugzeugbau DUO DISCUS (N533BG), Carson City, NV, Minor damage. During a flight from air sailing glider port, Nevada to bridgeport California and return, the pilot stated he lost lift in the vicinity of Carson City Nevada…
- [Accident 20110701019869A](https://openairdocs.org/incident/20110701019869A), Jul 1, 2011: Schempp-Hirth Flugzeugbau DUO DISCUS (N533BG), Stonewall, TX, Substantial damage. Pilot was conducting 14 CFR part 91 operations in the local area. Pilot was not able to to maintain altitude due to loss of thermal lift. Pilot initiated an…

## 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 Schempp-Hirth Flugzeugbau DUO DISCUS aircraft: https://openairdocs.org/model/schempp-hirth-flugzeugbau-duo-discus/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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