# N501DF: Grumman S-2E, registration cancelled 1998-09-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 1, 1998
- Status when cancelled: Valid registration
- Airframe: [Grumman S-2E](https://openairdocs.org/model/grumman-s-2e) (registry code 3951005)
- Serial number: 149259
- Type of aircraft: Fixed wing multi engine
- Certificate issued: August 21, 1996
- Last registry action: August 22, 1996
- Mode S code: A63DF8
- Owners when cancelled: [Usda Forest Service - Fepp](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE%20-%20FEPP), [California Department Forestry & Fire Protection](https://openairdocs.org/faa-owner/CALIFORNIA%20DEPARTMENT%20FORESTRY%20%26%20FIRE%20PROTECTION)
- Location: [Mather, CA](https://openairdocs.org/faa-place/CA/Mather)
- Owner type: Government
- Owner's area on the map: 38.5492° N, 121.2786° W: Placed by OpenAirDocs at the center of ZIP code 95655, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N501DF
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=501DF
- Page: https://openairdocs.org/deregistered/N501DF-1998-09-01

From the FAA registry file of October 28, 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 Grumman S-2E: https://openairdocs.org/model/grumman-s-2e.md

## Other aircraft with N501DF

- [Registered now](https://openairdocs.org/aircraft/N501DF): Cirrus Design SR20, S/N 1173, built 2002

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