# NTSB CHI83LA288: Grumman G-164A, N8379, Morris, MN, July 1, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 1, 1983, 11:30 local (16:30 UTC)
- Place: Morris, MN
- Coordinates: 45.579059, -95.899055 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.5791&lon=-95.8991&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): 12240
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83LA288
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12240/pdf
- Page: https://openairdocs.org/ntsb/CHI83LA288

## Sequence of events

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

- In flight collision with object, maneuvering
  - airspeed - not maintained, pilot in command (cause)
  - diverted attention, pilot in command (cause)
  - stall/mush - inadvertent, pilot in command (cause)
  - object - tree(s) (contributing factor)
- Forced landing, landing - flare/touchdown
  - load jettison - performed, pilot in command (contributing factor)
- Nose over, landing - roll
  - terrain condition - soft (contributing factor)
  - terrain condition - wet (contributing factor)

## Analysis

THE PLT REPORTED THAT WHILE HE WAS WAITING FOR THE FLAGMAN, CIRCLING THE FIELD TO BE SPRAYED, & TALKING TO THE FLAGMAN, THE ACFT BEGAN TO SINK & STRUCK TREES. THE LOAD WAS DUMPED, BUT THE PLANE CONTINUED TO SINK TO THE GROUND. DURING THE LANDING, THE ACFT NOSED OVER IN A SOFT, WET FIELD & CAME TO REST UPSIDE DOWN.

## Aircraft

- Registration: [N8379](https://openairdocs.org/aircraft/N8379), registered now, S/N 872, built 1971 (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 R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 872
- Airframe hours: 3995
- Engines: P&W R-985-AN1 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Oleen Aerial Spraying
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, September 11, 1982
- Departed: MOX, MORRIS, MN

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 23; commercial, flight instructor; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 2,405 total, 154 in this make and model, 2,262 as pilot in command, 190 in the last 90 days, 12 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 315° at 3 knots
- Visibility: 10 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 19830701028279A](https://openairdocs.org/incident/19830701028279A), Jul 1, 1983: Scwzer G164A, Morris, MN, Substantial damage. Aircraft collided with trees and pilot then attempted emergency landing but airplane flipped inverted.

## Other investigations on N8379 (3)

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 DEN86LA205](https://openairdocs.org/ntsb/DEN86LA205), Jul 24, 1986: Schweizer G164A (N8379), Grandin, ND, substantial damage
- [NTSB FTW78DPG75](https://openairdocs.org/ntsb/FTW78DPG75), Aug 12, 1978: Grumman G-164A (N8379), Crawfordsville, AR, substantial damage
- [NTSB FTW74DPG16](https://openairdocs.org/ntsb/FTW74DPG16), Aug 27, 1973: Grumman G-164 (N8379), Clarkedale, 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.

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