# NTSB LAX89DVG06: Grumman G-164B, N3629Y, Davis, CA, May 14, 1989

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: May 14, 1989, 12:30 local (19:30 UTC)
- Place: Davis, CA
- Coordinates: 38.54948, -121.800659 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.5495&lon=-121.8007&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 30, 1991
- Report: Approved by Office Director
- NTSB case key (mKey): 26168
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX89DVG06
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/26168/pdf
- Page: https://openairdocs.org/ntsb/LAX89DVG06

## Probable cause

THE PILOT FAILED TO PROPERLY USE HIS BRAKES DURING THE OFF AIRPORT LANDING.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Nose over, landing - roll
  - brakes(normal) - improper use of, pilot in command (cause)

## Analysis

THE PILOT REPORTED THAT UPON LANDING AT A FIELD STRIP TO LOAD THE AIRPLANE FLIPPED OVER ONTO ITS BACK.

## Aircraft

- Registration: [N3629Y](https://openairdocs.org/deregistered/N3629Y-2026-09-26), registration cancelled 2026-09-26, S/N 754B, built 1984 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164B
- Registry model: [Schweizer G-164B](https://openairdocs.org/model/schweizer-g-164b) (registry code 8059055) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 754B
- Airframe hours: 3698
- Engines: P&W R-1340 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Growers Air Service
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, January 1, 1989
- Departed: DAVIS, CA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 3,368 total, 654 in this make and model, 2,881 as pilot in command, 427 in the last 90 days, 10 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Lowest ceiling: none
- Temperature: 68 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19890514011369A](https://openairdocs.org/incident/19890514011369A), May 14, 1989: Scwzer G164B, Davis, CA, Substantial damage. Flipped over after touchdown landing on a ag strip.

## Other investigations on N3629Y (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 ANC24FA038](https://openairdocs.org/ntsb/ANC24FA038), May 28, 2024: Schweizer G-164B (N3629Y), Richvale, CA, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from a trailer located on the edge of the runway during takeoff. Contributing to the accident was the location of the trailer on the side of the runway.

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.

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