# N789E: Schleicher ASW-20, registration cancelled 1997-09-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 18, 1997
- Status when cancelled: Triennial form not returned
- Airframe: [Schleicher ASW-20](https://openairdocs.org/model/schleicher-asw-20) (registry code 3801506)
- Serial number: 20492
- Type of aircraft: Glider
- Certificate issued: December 11, 1987
- Last registry action: May 21, 1997
- Mode S code: AAB259
- Owners when cancelled: [Mayes Brett R](https://openairdocs.org/faa-owner/MAYES%20BRETT%20R), [Mayes Brooks R](https://openairdocs.org/faa-owner/MAYES%20BROOKS%20R), [Petersen David C](https://openairdocs.org/faa-owner/PETERSEN%20DAVID%20C)
- Location: [Vacaville, CA](https://openairdocs.org/faa-place/CA/Vacaville)
- Owner type: Co-owned
- Owner's area on the map: 38.4213° N, 122.0316° W: Placed by OpenAirDocs at the center of ZIP code 95688, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N789E
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=789E
- Page: https://openairdocs.org/deregistered/N789E-1997-09-18

From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Schleicher ASW-20: https://openairdocs.org/model/schleicher-asw-20.md

## 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 LAX92LA400](https://openairdocs.org/ntsb/LAX92LA400), Sep 26, 1992: Schleicher ASW-20 (N789E), Middletown, CA, destroyed, 1 fatal. Probable cause: THE PILOT'S FAILURE TO CONNECT THE ELEVATOR CONTROL DURING ASSEMBLY AND FAILURE TO PERFORM AN ADEQUATE AIRCRAFT PREFLIGHT CHECK. CONTRIBUTING TO THE ACCIDENT WAS THE PILOTS DISTRACTION BY PERFORMING…

## 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 19920926038809A](https://openairdocs.org/incident/19920926038809A), Sep 26, 1992: Schler ASW20 (N789E), Middletown, CA, Destroyed, 1 fatal. No elevator control on takeoff prior tow release. Dived into ground. Pilot failed to connect elevator control.

## Other aircraft with N789E

- [Registered now](https://openairdocs.org/aircraft/N789E): Eaton RV-4, S/N 3029, built 1995

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