# N4115M: 1983 Burkhart Grob Flugzeugbau G103 TWIN ASTIR

- Status: Valid registration
- Airframe: [Burkhart Grob Flugzeugbau G103 TWIN ASTIR](https://openairdocs.org/model/burkhart-grob-flugzeugbau-g103-twin-astir) (registry code 1660202, 2 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G39EU](https://openairdocs.org/tcds/G39EU) (Fiberglas-Technik Rudolf Lindner GmbH & Co. KG) (OpenAirDocs)
- Serial number: 3799K
- Year built: 1983
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: June 28, 1983
- Certificate issued: August 28, 2014
- Expires: August 31, 2027
- Mode S code: A4DAEA
- Registered owner: [Tucson Soaring Club Inc](https://openairdocs.org/faa-owner/TUCSON%20SOARING%20CLUB%20INC)
- Location: [Sahuarita, AZ](https://openairdocs.org/faa-place/AZ/Sahuarita)
- Owner type: Corporation
- Owner's area on the map: 31.9596° N, 111.1093° W: Placed by OpenAirDocs at the center of ZIP code 85629, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4115M
- Page: https://openairdocs.org/aircraft/N4115M

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): 13 in force

### Matched by airframe (Burkhart Grob Flugzeugbau G103 TWIN ASTIR)

- [AD 2022-03-08](https://openairdocs.org/ad/2022-03-08): Elevator Control System · Fiberglas-Technik Rudolf Lindner G102 ASTIR CS, G103 Twin Astir, G103 Twin II and 3 more. Effective Mar 17, 2022
- [AD 2015-22-04](https://openairdocs.org/ad/2015-22-04): Flight Controls · Fiberglas-Technik Rudolf Lindner G103 Twin Astir, G103 Twin II and G103A Twin II Acro. Effective Dec 4, 2015
- [AD 2005-26-14](https://openairdocs.org/ad/2005-26-14): Elevator lever. · Burkhart Grob Luft-Und G103 Twin Astir. Effective Feb 6, 2006
- [AD 2005-26-12](https://openairdocs.org/ad/2005-26-12): Center of gravity (CG) release hook attachment brackets. · Burkhart Grob Luft-Und G 103 C Twin III SL, G103 Twin Astir, G103 Twin II and 2 more. Effective Feb 6, 2006
- [AD 2003-19-14 R2](https://openairdocs.org/ad/2003-19-14-R2): Airspeed indicators · Burkhart Grob Luft-Und G103 Twin Astir, G103A Twin II Acro and G103C Twin III Acro. Effective Nov 30, 2005
- [AD 97-24-10](https://openairdocs.org/ad/97-24-10): Airbrake Over-Center Lever · Burkhart Grob Luft-Und G103 Twin Astir. Effective Dec 29, 1997
- [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 95-13-09](https://openairdocs.org/ad/95-13-09): Elevator And Rudder Hinge · Burkhart Grob Luft-Und G103 Twin Astir, G102 ASTIR CS, G102 CLUB ASTIR IIIb and 1 more. Effective Aug 15, 1995
- [AD 94-17-06](https://openairdocs.org/ad/94-17-06): Airbrake Stops Inspection · Burkhart Grob Luft-Und G 103 C Twin III SL, G103 Twin Astir, G103 Twin II and 8 more. Effective Sep 30, 1994
- [AD 91-02-04](https://openairdocs.org/ad/91-02-04): Aileron Control System · Burkhart Grob Luft-Und G103 Twin Astir, G103 Twin II and G103A Twin II Acro. Effective Feb 8, 1991
- [AD 90-02-09](https://openairdocs.org/ad/90-02-09): Wing Spar Spigots · Burkhart Grob Luft-Und G103 Twin Astir, G103 Twin II and G103A Twin II Acro. Effective Feb 5, 1990
- [AD 88-12-08](https://openairdocs.org/ad/88-12-08): Tow-Hook Knob · Burkhart Grob Luft-Und G103 Twin Astir, G103 Twin II and G103A Twin II Acro. Effective Jun 9, 1988
- [AD 86-18-09](https://openairdocs.org/ad/86-18-09): Rudder Control Lever · Burkhart Grob Luft-Und G103 Twin Astir. Effective Sep 15, 1986

### Matched by engine (NONE)

None in force.

### Historical (superseded or no longer in force)

- [AD 2003-19-14 R1](https://openairdocs.org/ad/2003-19-14-R1) (historical): Structural Integrity of Fuselage · Burkhart Grob Luft-Und G103 Twin Astir, G103A Twin II Acro and G103C Twin III Acro. Effective Aug 12, 2004
- [AD 2004-08-13](https://openairdocs.org/ad/2004-08-13) (historical): Center of gravity release hook attachment brackets · Burkhart Grob Luft-Und G103 Twin Astir, G103 Twin II, G103A Twin II Acro and 1 more. Effective Jun 4, 2004

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

- [SAIB CE-08-01](https://openairdocs.org/saib/CE-08-01): Fuselage, Wing, & Stabilizer Structure. Issued Oct 18, 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 LAX07CA036](https://openairdocs.org/ntsb/LAX07CA036), Nov 15, 2006: Burkhart Grob Flugzeugbau G103 Twin Astir (N4115M), Tucson, AZ, substantial damage. Probable cause: The pilot's improper use of the spoilers during the landing flare, which resulted in a hard landing, and his inadequate bounced landing recovery technique.

## 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 20061115027229A](https://openairdocs.org/incident/20061115027229A), Nov 15, 2006: Grob G103TWNASTIR (N4115M), Tucson, AZ, Substantial damage. (-23) During the landing phase, pilot lost control of aircraft just before touchdown. Aircraft experienced pilot induced oscillations near the ground, and when…

## 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.

## Earlier aircraft with N4115M

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4115M before.

- [Cancelled 1983-03-22](https://openairdocs.org/deregistered/N4115M-1983-03-22): Lockheed 382E, S/N 4850. Exported to Peru. Owner: [Lockheed Corp](https://openairdocs.org/faa-owner/LOCKHEED%20CORP), [Marietta, GA](https://openairdocs.org/faa-place/GA/Marietta)
- [Cancelled 1953-04-29](https://openairdocs.org/deregistered/N4115M-1953-04-29): Piper PA-12, S/N 12-3013. Owner: [Terrill Charles E](https://openairdocs.org/faa-owner/TERRILL%20CHARLES%20E), [Conneautville, PA](https://openairdocs.org/faa-place/PA/Conneautville)

## Related

- Other Burkhart Grob Flugzeugbau G103 TWIN ASTIR aircraft: https://openairdocs.org/model/burkhart-grob-flugzeugbau-g103-twin-astir/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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