# NTSB FTW84LA194: Grumman G-164A, N9978, Beaumont, TX, April 11, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 11, 1984, 08:15 local (14:15 UTC)
- Place: Beaumont, TX
- Coordinates: 29.900905, -94.160758 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=29.9009&lon=-94.1608&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21304
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84LA194
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21304/pdf
- Page: https://openairdocs.org/ntsb/FTW84LA194

## Sequence of events

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

- Loss of control - in flight, maneuvering - aerial application
  - airspeed(vs) - not maintained, pilot in command
  - stall - inadvertent, pilot in command
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - ground
- Nose over, other

## Analysis

THE ACFT STALLED DURING A TURN AROUND BETWEEN SWATH RUNS. THE PILOT STATED THAT HE WAS UNABLE TO RECOVER BECAUSE THERE WAS NOT SUFFICIENT ALT.

## Aircraft

- Registration: [N9978](https://openairdocs.org/deregistered/N9978-2013-06-27), registration cancelled 2013-06-27, S/N 1377, built 1974 (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)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 1377
- Airframe hours: 4855
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Registered owner: M & M Air Service
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, January 31, 1984, 32 hours before
- Departed: BEAUMONT, TX

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 28; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 561 total, 282 in this make and model, 561 as pilot in command, 60 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 235° at 5 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 75 °F
- Altimeter: 30.00 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 19840411014839A](https://openairdocs.org/incident/19840411014839A), Apr 11, 1984: Scwzer G164A, Beaumont, TX, Destroyed. Pilot stalled aircraft during procedure turn around during aerial applicaiton flight.

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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