# NTSB MKC88LA129: Grumman G-164, N6848K, Baker, MO, July 7, 1988

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 7, 1988, 18:05 local (23:05 UTC)
- Place: Baker, MO
- Coordinates: 36.609615, -89.810119 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.6096&lon=-89.8101&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 19, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 34604
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC88LA129
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34604/pdf
- Page: https://openairdocs.org/ntsb/MKC88LA129

## Sequence of events

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

- Miscellaneous/other, maneuvering - turn to landing area (emergency)
  - weather condition - high density altitude (contributing factor)
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - load jettison - delayed, pilot in command (cause)
- In flight collision with terrain/water, maneuvering
  - object - wire,transmission (contributing factor)
  - stall (cause)

## Analysis

WITNESSES SAID THAT SHORTLY AFTER TAKEOFF, THE FULLY LOADED ACFT APPEARED TO BE UNABLE TO CLIMB OUT OF GROUND EFFECT. ABOUT 1.5 MILE FROM THE AIRSTRIP, THE PILOT BEGAN A TURN BACK TO THE NORTH. UNABLE TO CLIMB, HE INITIATED ACTION TO DUMP HIS CHEMICAL LOAD, BUT WAS UNABLE TO CLEAR POWER LINES. SUBSEQUENTLY, THE ACFT CRASHED INVERTED IN A FLOODED RICE FIELD. ABOVE NORMAL TEMP & HUMIDITY RESULTED IN AN ABOVE NORMAL DENSITY ALTITUDE. WITNESSES RPRTD THE ENG SOUNDED NORMAL DURING FLT. THE PLT SUFFERED TOXIC CHEMICAL CONTAMINATION & WAS TAKEN TO A HOSPITAL FOR TREATMENT. NO POWERPLANT OR CONTROL SYSTEM MALFUNCTION WAS FOUND.

## Aircraft

- Registration: [N6848K](https://openairdocs.org/deregistered/N6848K-2015-11-02), registration cancelled 2015-11-02, S/N 503B, built 1978 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 503B
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: T And R Ag Service
- Registered owner: T & R Ag Service
- Airworthiness certificate: Special, Restricted (Special)
- Airport: NONE, Baker, runway 18, 3,500 ×  ft, dirt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 2,982 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 160° at 7 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Temperature: 91 °F, dew point 61 °F
- Altimeter: 30.00 inHg
- Observed at: CGI, 40 nm away

## 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 19880707025799A](https://openairdocs.org/incident/19880707025799A), Jul 7, 1988: Scwzer G164B, Baker, MO, Substantial damage. Unable to climb out of ground effect due to full load,high humidity,and temperature. Struck powerlines. Nosed over.

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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