Aircraft record

N6787K1978 Grumman Acft Eng Cor-Schweizer G-164C

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Feb 5, 2022.

Safety record in brief:1 NTSB accident (substantial damage, May 2019)1 AD may apply

Registration: Deregistered
Last based in: Marysville, CA; owner city / state
Engine: R1340 SERIES · 600 hp; P&W
Owners: 1; since 2015
NTSB events: 1; substantial, 2019
ADs may apply: 1; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Last registered owner: Individual owner
City, state: Marysville, CA
Certificate issued: Oct 8, 2015
Canceled: Feb 5, 2022
Airworthiness: Restricted · Agriculture and Pest Control
Airworthiness date: Dec 5, 1978

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer: Grumman Acft Eng Cor-Schweizer
Model: G-164C
Year: 1978
Serial number: 37 C
Aircraft type: Fixed wing single engine
Category: Land
Certification: Type Certificated
Seats: 1
Engines: 1
Max takeoff weight: Up to 12,499 lb
Mode S code: A8FCC7

Engine

Make and model: P&W R1340 Series
Type: Reciprocating
Power: 600 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

2015 – 2022Individual ownerMarysville, CA

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

May 15, 2019 · Pleasant Grove, CA

The failure of both pilots to see and avoid the other airplane, which resulted in a midair collision.

Damage: Substantial
Injuries: Fatal
Report: WPR19FA145

From NTSB records; matched by N-number.Read NTSB report (search CAROL for WPR19FA145)

Accident history for this model

ADs published since 1998 that may apply (1)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

AD	Subject	Effective	Applies to
99-11-02	Pratt & Whitney R-1340 Series Reciprocating Engines	Jul 19, 1999	Engine (R1340 SERIES)

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

Sources

FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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