# N85TW: 1978 Gates Learjet 25D, registration cancelled 2018-05-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 18, 2018
- Exported to: India
- Status when cancelled: Valid registration
- Airframe: [Gates Learjet 25D](https://openairdocs.org/model/gates-learjet-25d) (registry code 5170514)
- Engine: [GE CJ610-8&9](https://openairdocs.org/engine/ge-cj610-8-9) (registry code 30014)
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE) (OpenAirDocs)
- Serial number: 251
- Year built: 1978
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-jet
- Airworthiness: Standard, transport
- Airworthiness date: April 4, 1997
- Certificate issued: July 17, 2002
- Last registry action: July 5, 2017
- Mode S code: ABA6BD
- Owner when cancelled: [Sierra American Corp](https://openairdocs.org/faa-owner/SIERRA%20AMERICAN%20CORP)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7376° N, 75.6671° W: Placed by OpenAirDocs at the center of ZIP code 19808, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N85TW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=85TW
- Page: https://openairdocs.org/deregistered/N85TW-2018-05-18

From the FAA registry file of October 29, 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 Gates Learjet 25D: https://openairdocs.org/model/gates-learjet-25d.md

## 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.

- [Incident 20000702033609I](https://openairdocs.org/incident/20000702033609I), Jul 2, 2000: Lear 25D (N85TW), Pittsburgh, PA. (-23)The aircraft landed on runway 28L at pit after reporting an electrical problem. The problem was traced to a bad starter generator, it was replaced, and…

## Other aircraft with N85TW

- [Cancelled 1993-06-16](https://openairdocs.org/deregistered/N85TW-1993-06-16): Hughes TH-55, S/N 6716702. Triennial form not returned. Owner: [Alabama Department Of Public Safety](https://openairdocs.org/faa-owner/ALABAMA%20DEPARTMENT%20OF%20PUBLIC%20SAFETY), [Montgomery, AL](https://openairdocs.org/faa-place/AL/Montgomery)

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