# N300AT: 2012 Alexander Schleicher ASW 27-18

- Status: Valid registration
- Airframe: [Alexander Schleicher ASW 27-18](https://openairdocs.org/model/alexander-schleicher-asw-27-18) (registry code 3801538, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 29077
- Year built: 2012
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, racing, exhibition
- Airworthiness date: January 11, 2013
- Certificate issued: March 12, 2024
- Expires: March 31, 2031
- Mode S code: A31F64
- Registered owners: [Keller Catherine M](https://openairdocs.org/faa-owner/KELLER%20CATHERINE%20M), [Keller Shaun C](https://openairdocs.org/faa-owner/KELLER%20SHAUN%20C)
- Location: [Lexington, MA](https://openairdocs.org/faa-place/MA/Lexington)
- Owner type: Co-owned
- Owner's area on the map: 42.4591° N, 71.2177° W: Placed by OpenAirDocs at the center of ZIP code 02420, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=300AT
- Page: https://openairdocs.org/aircraft/N300AT

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): 0 in force

### Matched by airframe (Alexander Schleicher ASW 27-18)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N300AT.

## FAA accident and incident reports

None matched to N300AT.

## 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.

## Service difficulty reports on N300AT not matched to an aircraft (9)

They name N300AT, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR SWAA2013052316434](https://openairdocs.org/sdr/SWAA2013052316434), Apr 22, 2013: SIGN. MISSING. RIGHT EMERGENCY EXIT SIGN MISSING AT ROW 18. R & R LIGHT ASSY IAW MM.
- [SDR SWAA2012051103918](https://openairdocs.org/sdr/SWAA2012051103918), May 10, 2012: SLIDE. LOOSE. R2 DOOR EMERGENCY EVAC SLIDE LOOSE. SECURED SLIDE PER MM.
- [SDR ZZDA2012029](https://openairdocs.org/sdr/ZZDA2012029), Dec 30, 2011: LIGHT. INOPERATIVE. LEFT AFT EXTERIOR EGRESS LIGHT INOP. RELAMPED LEFT EXTERIOR EGRESS LIGHT IAW AMM 33-50. OPS CHECK GOOD.
- [SDR ZZDA20111230998](https://openairdocs.org/sdr/ZZDA20111230998), Dec 30, 2011: LAMP. INOPERATIVE. LEFT HAND AFT EXTERIOR EGRESS LIGHT INOPERATIVE. RELAMPED LEFT HAND EXTERIOR EGRESS LIGHT IAW AMM 33-50. OPS CHECK GOOD.
- [SDR ZZDA2011607](https://openairdocs.org/sdr/ZZDA2011607), Jul 23, 2011: LIGHT. INOPERATIVE. EMERGENCY EXIT DOOR LIGHT INOP (L & R) SIDE WALL LIGHT. REMOVED AND REPLACED LAMP AT L7R EMERGENCY EXIT DOOR WINDOW LIGHT IAW B737-700 AMM 33-21. OPS CHECK GOOD
- [SDR ZZDA2011575](https://openairdocs.org/sdr/ZZDA2011575), Jul 1, 2011: LIGHT. DAMAGED. EMERGENCY LIGHT PATH STRIP NEEDS TO BE RE-SECURED. REPLACED DAMAGED SECTION.
- [SDR ZZDA2011555](https://openairdocs.org/sdr/ZZDA2011555), Jun 15, 2011: LIGHT. INOPERATIVE. EMERGENCY EXIT LIGHT 'NOT ARMED' LIGHT IS OUT. RELAMPED EMERGENCY EXIT LIGHT OPS CHECK GOOD REF AMM 33-00.
- [SDR ZZDA2011385](https://openairdocs.org/sdr/ZZDA2011385), Apr 1, 2011: LIGHT. DAMAGED. EMERGENCY FLOOR LIGHTING STRIP DAMAGED. REMOVED AND REPLACED DAMAGED EMERGENCY LIGHT STRIP (16 INCHES) REF B737 AMM 33-51-15.
- [SDR ZZDA2011325](https://openairdocs.org/sdr/ZZDA2011325), Mar 28, 2011: PLACARD. UNSECURE. EXIT/SALIDA PLACARD DISCONNECTED FROM MOUNT AT R1 DOOR. SECURED LENS COVER AS REQUIRED REF B737 AMM 11-50.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N300AT

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N300AT before.

- [Cancelled 1981-05-06](https://openairdocs.org/deregistered/N300AT-1981-05-06): Air Tractor AT-300, S/N 300-0017, built 1975

## Related

- Other Alexander Schleicher ASW 27-18 aircraft: https://openairdocs.org/model/alexander-schleicher-asw-27-18/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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