# NTSB CHI84LA357: Grumman G-164A, N600T, Rice, MN, August 18, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 18, 1984, 18:30 local (23:30 UTC)
- Place: Rice, MN
- Coordinates: 45.739166, -94.219749 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.7392&lon=-94.2197&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12747
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84LA357
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12747/pdf
- Page: https://openairdocs.org/ntsb/CHI84LA357

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - landing gear,tire - failure,total (cause)
  - directional control - not maintained, pilot in command (cause)
  - terrain condition - rough/uneven (contributing factor)
  - ground loop/swerve - uncontrolled, pilot in command
- On ground/water encounter with terrain/water, takeoff - roll/run
  - terrain condition - crop

## Analysis

PILOT STATED THAT DURING THE TAKEOFF ROLL THE ACFT SUDDENLY BEGAN TO PULL TO THE LEFT. THE PILOT REDUCED POWER AND APPLIED RIGHT BRAKE AND RUDDER TO CORRECT BUT THE LEFT WING STRUCK CORN STALKS. EXAMINATION OF THE ACFT AFTER THE ACCIDENT REVEALED THE LEFT TIRE WAS FLAT DUE TO A FAULTY VALVE STEM.

## Aircraft

- Registration: [N600T](https://openairdocs.org/aircraft/N600T), registered now, S/N 600, built 1969 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 600
- Engines: P&W R-985-AN1 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Ronald L. Falk
- Airworthiness certificate: Special, Restricted (Special)
- Airport: Prairie Farm, runway 18, 2,000 × 80 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; flight instructor, commercial; airplane ratings: single-engine sea, multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 7,255 total, 350 in this make and model, 7,200 as pilot in command, 355 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 84 °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 19840818042859A](https://openairdocs.org/incident/19840818042859A), Aug 18, 1984: Scwzer G164A, Rice, MN, Substantial damage. Left tire went flat on the takeoff roll. A wing caught on standing corn. Ground looped. Tire valve stems ruptured.

## Other investigations on N600T (2)

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 CHI06LA147](https://openairdocs.org/ntsb/CHI06LA147), Jun 2, 2006: Allied Ag Cat Productions G-164A (N600T), Gonvick, MN, substantial damage. Probable cause: The aborted takeoff not performed by the pilot. A contributing factor is the reported loss of takeoff performance.
- [NTSB MKC76DTG24](https://openairdocs.org/ntsb/MKC76DTG24), Jul 19, 1976: Grumman G-164A (N600T), Cavalier, ND, 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.

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