# NTSB FTW83LA235: Grumman G-164A, N7497, Stuttgart, AR, May 13, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 13, 1983, 16:30 local (21:30 UTC)
- Place: Stuttgart, AR
- Coordinates: 34.49097, -91.550148 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.4910&lon=-91.5501&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): 20902
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW83LA235
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/20902/pdf
- Page: https://openairdocs.org/ntsb/FTW83LA235

## 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
  - weather condition - gusts (contributing factor)
  - terrain condition - high obstruction(s) (contributing factor)
  - airspeed - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command
- In flight collision with terrain/water, maneuvering - aerial application

## Analysis

AFTER LOADING THE ACFT WITH 50 GAL OF WATER, THE PLT TOOK OFF TO CONDUCT AERIAL APPLICAITON MANEUVERS & TO CALIBRATE THE ACFT'S SPRAY BOOM. AT THE END OF THE 1ST SWATH RUN ON A WESTERLY HEADING, HE PULLED UP OVER A POWER LINE, TURNED 90 DEG RIGHT, REVERSED THE TURN & WAS PASSING THRU A HEADING OF ABOUT 170 DEG WHEN THE ACFT STALLED. REPORTEDLY, THE PLT WAS TIGHTENING HIS TURN TO PRECLUDE OVERSHOOTING & WAS AT APRX 130 FT AGL WHEN THE STALL OCCURRED. THE ACFT IMPACTED ON ITS LEFT WING & CARTWHEELED TO A STOP. THE PLT REPORTED THE WIND WAS FROM 180 DEG AT 15 GUSTING 20 KTS.

## Aircraft

- Registration: [N7497](https://openairdocs.org/deregistered/N7497-1983-11-17), registration cancelled 1983-11-17, S/N 976 (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: 976
- Airframe hours: 3400
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Paul E. Van Houten
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, May 15, 1982
- Departed: NONE, STUTTGART, AR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 356 total, 120 in this make and model, 300 as pilot in command, 144 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 15 knots, gusting 20
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 79 °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 19830513019629A](https://openairdocs.org/incident/19830513019629A), May 13, 1983: Scwzer G164A, Stuttgart, AR, Substantial damage. During turn around in low level operation to calibrate spray boom pilot stalled aircraft.

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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