# N81KP: 1997 Schleicher ASW-27

- Status: Valid registration
- Airframe: [Schleicher ASW-27](https://openairdocs.org/model/schleicher-asw-27) (registry code 3801501, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G05CE](https://openairdocs.org/tcds/G05CE) (Alexander Schleicher GmbH & Co. Segelflugzeugbau) (OpenAirDocs)
- Serial number: 27041
- Year built: 1997
- Type: Glider
- Engine type: None
- Airworthiness: Standard, utility
- Airworthiness date: July 17, 1997
- Certificate issued: October 6, 2017
- Expires: October 31, 2027
- Mode S code: AB07F2
- Registered owner: [Suter Laurance J](https://openairdocs.org/faa-owner/SUTER%20LAURANCE%20J)
- Location: [Livermore, CA](https://openairdocs.org/faa-place/CA/Livermore)
- Owner type: Individual
- Owner's area on the map: 37.5199° N, 121.5756° W: Placed by OpenAirDocs at the center of ZIP code 94550, 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=81KP
- Page: https://openairdocs.org/aircraft/N81KP

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): 2 in force

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

- [AD 2004-11-12](https://openairdocs.org/ad/2004-11-12): Integrated (Wet Inner Surface) Water Ballast Tanks in the Wings · Alexander Schleicher ASW 27. Effective Jul 27, 2004
- [AD 2000-04-26](https://openairdocs.org/ad/2000-04-26): Elevator Control Circuit · Alexander Schleicher ASW 27. Effective Apr 25, 2000

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## 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 WPR21LA040](https://openairdocs.org/ntsb/WPR21LA040), Nov 7, 2020: Schleicher ASW27 (N81KP), Clayton, CA, substantial damage. Probable cause: The failure of both pilots of each glider to see an avoid one another while maneuvering, which resulted in a mid-air collision.

## NTSB investigations on N81KP not matched to an aircraft (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 LAX83FA305](https://openairdocs.org/ntsb/LAX83FA305), Jun 25, 1983: Prout LONG-EZE (N81KP), Geyserville, CA, destroyed, 2 fatal

## 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 20201107020582A](https://openairdocs.org/incident/20201107020582A), Nov 7, 2020: Schleicher ASW-27 (N81KP), Walnut Creek, CA, Substantial damage. Walnut Creek, CA: mid-air collision reported by ntsb/hicks @ 2038PST when N81KP, Schleicher and N18MA, Schleicher collided. N81KP and N18MA gliders collided…

## Reports on N81KP not matched to an aircraft (1)

They name N81KP, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19830625035479A](https://openairdocs.org/incident/19830625035479A), Jun 25, 1983: Amtrru VARIEZELONG (N81KP), Geyserville, CA, Destroyed, 1 fatal. During low flight over a river aircraft collided with power lines and crashed.

## 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 N81KP

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N81KP before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N81KP-undated): Prout Paul E LONG-EZE, S/N 292. Triennial form not returned

## Related

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

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