# N977X: 1968 Grumman G-164A, registration cancelled 2018-01-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 17, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 491
- Year built: 1968
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, transport
- Airworthiness date: February 19, 1968
- Certificate issued: January 7, 1981
- Last registry action: October 20, 2009
- Mode S code: AD9FB3
- Owner when cancelled: [Dyrdahl John R](https://openairdocs.org/faa-owner/DYRDAHL%20JOHN%20R)
- Location: [Shelby, MT](https://openairdocs.org/faa-place/MT/Shelby)
- Owner type: Individual
- Owner's area on the map: 48.5303° N, 111.6958° W: Placed by OpenAirDocs at the center of ZIP code 59474, within about 13 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N977X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=977X
- Page: https://openairdocs.org/deregistered/N977X-2018-01-17

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 Grumman G-164A: https://openairdocs.org/model/grumman-g-164a.md

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