# N4379X: 1992 Sego Tool HAWK 1X, registration cancelled 2018-03-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 23, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Sego Tool HAWK 1X](https://openairdocs.org/model/sego-tool-hawk-1x) (registry code 13017NF)
- Engine: [Lycoming T0-360 series](https://openairdocs.org/engine/lycoming-t0-360-series) (registry code 41528)
- Data sheets: [TCDS E26EA](https://openairdocs.org/tcds/E26EA) (OpenAirDocs)
- Serial number: 101X
- Year built: 1992
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, research and development
- Airworthiness date: November 25, 1997
- Certificate issued: May 11, 1992
- Last registry action: May 7, 2014
- Mode S code: A540C8
- Owner when cancelled: [Groen Brothers Aviation USA Inc](https://openairdocs.org/faa-owner/GROEN%20BROTHERS%20AVIATION%20USA%20INC)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7494° N, 111.9815° W: Placed by OpenAirDocs at the center of ZIP code 84104, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4379X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4379X
- Page: https://openairdocs.org/deregistered/N4379X-2018-03-23

From the FAA registry file of October 31, 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 Sego Tool HAWK 1X: https://openairdocs.org/model/sego-tool-hawk-1x.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 19970627036149I](https://openairdocs.org/incident/19970627036149I), Jun 27, 1997: N4379X, Tooele, UT, Minor damage. Narrative: on 06-27-97 the test protocol required evaluation of the nosewheel anti-shimmy device and performance of the rotor system. At approximately 0930 a…

## Other aircraft with N4379X

- [Cancelled 1989-05-23](https://openairdocs.org/deregistered/N4379X-1989-05-23): Piper PA-28-140, S/N 287625037. N-number assigned, not yet registered

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