# N604U: 1964 Grumman G-164, registration cancelled 2014-10-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 29, 2014
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702)
- Engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 333
- Year built: 1964
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: December 28, 1964
- Certificate issued: February 9, 1971
- Last registry action: February 16, 2010
- Mode S code: A7D7DD
- Owner when cancelled: [Falk Ronald L](https://openairdocs.org/faa-owner/FALK%20RONALD%20L)
- Location: [Park Rapids, MN](https://openairdocs.org/faa-place/MN/Park%20Rapids)
- Owner type: Individual
- Owner's area on the map: 47.0269° N, 95.0919° W: Placed by OpenAirDocs at the center of ZIP code 56470, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N604U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=604U
- Page: https://openairdocs.org/deregistered/N604U-2014-10-29

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-164: https://openairdocs.org/model/grumman-g-164.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 MKC67F0067](https://openairdocs.org/ntsb/MKC67F0067), Jul 4, 1966: Grumman G-164 (N604U), Warren, MN, destroyed

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