# NTSB FTW93LA144: Grumman G-164A, N7485, Anahuac, TX, April 30, 1993

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 30, 1993, 11:30 local (16:30 UTC)
- Place: Anahuac, TX
- Coordinates: 29.760227, -94.66957 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=29.7602&lon=-94.6696&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 25, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 18738
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW93LA144
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/18738/pdf
- Page: https://openairdocs.org/ntsb/FTW93LA144

## Probable cause

UNDETERMINED.

## Sequence of events

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

- Main gear collapsed, takeoff - roll/run
  - reason for occurrence undetermined (cause)

## Analysis

DURING THE TAKEOFF ROLL, THE LEFT MAIN GEAR COLLAPSED AND THE AIRPLANE DEPARTED THE SIDE OF THE RUNWAY AS THE LEFT WING HIT THE TERRAIN.

## Factual narrative

On April 30, 1993, at approximately 1130 central daylight time, during the takeoff roll from a private airstrip near Anahuac, Texas, a Grumman    G 164A, N7485, was substantially damaged when the left main landing gear collapsed. The commercial pilot did not sustain injury. The FAR CFR Part 137 flight was being operated by Bay Area Dusters, Inc., of Anahuac, Texas. Visual meteorological conditions prevailed for the flight.

During a telephone interview conducted by the Federal Aviation Administration (FAA) inspector, the operator reported that the airplane was loaded with fertilizer. He further stated that the left main gear collapsed at approximately one hundred feet down the private agricultural airstrip. The airplane damage included the main gear, propeller, and main wing spars.

The airplane was released to the operator following the investigation.

## Aircraft

- Registration: [N7485](https://openairdocs.org/deregistered/N7485-1994-07-21), registration cancelled 1994-07-21, S/N 962 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Category: Airplane
- Serial number: 962
- Airframe hours: 3800
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Bay Area Dusters, Inc
- Registered owner: Bay Area Dusters, Inc
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, February 25, 1993, 50 hours before
- Airport: NONE, Satellite Strip

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 57; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 19,286 total, 9,999 in this make and model, 19,286 as pilot in command, 18 in the last 90 days, 18 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 135° at 3 knots, gusting 4
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 81 °F
- Altimeter: 29.00 inHg

## 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 19930430011519A](https://openairdocs.org/incident/19930430011519A), Apr 30, 1993: Scwzer G164A, Anahuac, TX, Substantial damage. Left main landing gear collapsed on initial takeoff roll. Lower left wing hit ground rotating aircraft 90 degrees.

## Other investigations on N7485 (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 FTW77DPG61](https://openairdocs.org/ntsb/FTW77DPG61), Jul 7, 1977: Grumman G-164A (N7485), Hunter, AR, substantial damage

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.