# N400GD: 1984 Glaser-Dirks DG-400

- Status: Valid registration
- Airframe: [Glaser-Dirks DG-400](https://openairdocs.org/model/glaser-dirks-dg-400) (registry code 3802510, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS G52EU](https://openairdocs.org/tcds/G52EU) (DG Aviation GmbH) (OpenAirDocs)
- Serial number: 4-98
- Year built: 1984
- Type: Glider
- Engine type: 2 cycle
- Airworthiness: Experimental, exhibition
- Airworthiness date: January 3, 1985
- Certificate issued: March 21, 1986
- Expires: October 31, 2029
- Mode S code: A4AD3B
- Registered owners: [Blacklin Peter A](https://openairdocs.org/faa-owner/BLACKLIN%20PETER%20A), [Blacklin Dorothy](https://openairdocs.org/faa-owner/BLACKLIN%20DOROTHY)
- Location: [Columbia, MD](https://openairdocs.org/faa-place/MD/Columbia)
- Owner type: Co-owned
- Owner's area on the map: 39.2053° N, 76.8787° W: Placed by OpenAirDocs at the center of ZIP code 21044, 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=400GD
- Page: https://openairdocs.org/aircraft/N400GD

From the FAA registry file of October 22, 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): 13 in force

### Matched by airframe (Glaser-Dirks DG-400)

- [AD 2024-19-12](https://openairdocs.org/ad/2024-19-12): Elevator Control System · DG DG-400, DG-500 Elan Orion, DG-500 Elan Trainer and 10 more. Effective Oct 15, 2024
- [AD 2017-13-06](https://openairdocs.org/ad/2017-13-06): Fuel · DG Flugzeugbau DG-400, DG-500M, DG-500MB and 2 more. Effective Jul 31, 2017
- [AD 2006-02-12](https://openairdocs.org/ad/2006-02-12): Rudder mount assembly · Glaser-Dirks Flugzeugbau DG-500 Elan Orion, DG-500 Elan Trainer, DG-500/20 Elan and 4 more. Effective Mar 15, 2006
- [AD 2002-14-18](https://openairdocs.org/ad/2002-14-18): Propeller Mount Plate · DG Flugzeugbau DG-400 and DG-800A. Effective Aug 23, 2002
- [AD 98-19-17](https://openairdocs.org/ad/98-19-17): Powerplant Mount and Propeller Mount · DG Flugzeugbau DG-400. Effective Oct 30, 1998
- [AD 98-17-03](https://openairdocs.org/ad/98-17-03): Propeller Shaft · DG Flugzeugbau DG-400. Effective Sep 26, 1998
- [AD 98-13-06](https://openairdocs.org/ad/98-13-06): Bungees for Left Engine Restraining Cable and Bowden Cable of Rear Engine Door · DG Flugzeugbau DG-400. Effective Aug 2, 1998
- [AD 98-13-04](https://openairdocs.org/ad/98-13-04): Airbrake control System Inspection · Glaser-Dirks Flugzeugbau DG-100 and DG-400. Effective Aug 2, 1998
- [AD 98-11-18](https://openairdocs.org/ad/98-11-18): Upper Rubber Shock Mounts · DG Flugzeugbau DG-400. Effective Jul 10, 1998
- [AD 98-11-17](https://openairdocs.org/ad/98-11-17): Bosch Electrical System Regulator · DG Flugzeugbau DG-400. Effective Jul 10, 1998
- [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 88-02-02](https://openairdocs.org/ad/88-02-02): Spindle Motor · DG-400. Effective Jan 22, 1988
- [AD 87-26-09](https://openairdocs.org/ad/87-26-09): Engine Cable Terminal Connectors · DG Flugzeugbau DG-400. Effective Dec 23, 1987

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

None in force.

## Information bulletins (advisory) (2 in force)

- [SAIB CE-05-85](https://openairdocs.org/saib/CE-05-85): . Issued Sep 20, 2005
- [SAIB CE-00-10](https://openairdocs.org/saib/CE-00-10): . Issued Dec 17, 1999

## NTSB investigations

None matched to N400GD.

## FAA accident and incident reports

None matched to N400GD.

## 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 Glaser-Dirks DG-400 aircraft: https://openairdocs.org/model/glaser-dirks-dg-400/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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