# NTSB ATL87DKG07: Grumman G-164A, N6590, Alamo, GA, September 15, 1987

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: September 15, 1987, 12:05 local (16:05 UTC)
- Place: Alamo, GA
- Coordinates: 32.139015, -82.77053 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=32.1390&lon=-82.7705&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report October 17, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 7244
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL87DKG07
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7244/pdf
- Page: https://openairdocs.org/ntsb/ATL87DKG07

## Sequence of events

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

- In flight collision with object, maneuvering
  - judgment - poor, pilot in command (cause)
  - impairment(alcohol), pilot in command (cause)
  - procedures/directives - not followed, pilot in command (contributing factor)
  - low pass - performed, pilot in command (contributing factor)
  - object - tree(s) (contributing factor)
  - distance - misjudged, pilot in command (cause)
  - pull-up - delayed, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - seat belt - not used (contributing factor)
  - shoulder harness - not used (contributing factor)

## Analysis

THE ACFT WAS RPRTD TO BE ON AN AGRICULTURAL SPRAYING ASSIGNMENT. THE PLT TOOK OFF IN THE SINGLE SEAT ACFT WITH A PASSENGER ABOARD. ABOUT 5 MIN AFTER DEPG THE ARPT, THE ACFT COLLIDED WITH TREES & CRASHED AFTER MAKING AN UNSCHEDULED LOW PASS OVER AN OPEN FIELD. THE PLT RPRTD THAT BFR PULLING UP FROM THE PASS, HE MISJUDGED THE DISTANCE TO THE TREES. NEITHER OF THE 2 OCCUPANTS WAS WEARING A SEAT BELT OR SHOULDER HARNESS. A TOXICOLOGY CHECK OF THE PLT'S BLOOD SHOWED AN ALCOHOL LVL OF 0.23% (230 MGS%). THE PLT'S 2ND CLASS MED CERT WAS DATED 9/11/85.

## Aircraft

- Registration: [N6590](https://openairdocs.org/deregistered/N6590-1991-09-16), registration cancelled 1991-09-16, S/N 731 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (OpenAirDocs)
- Category: Airplane
- Serial number: 731
- Airframe hours: 4722
- Engines: P&W R-985-AN1 450 horsepower reciprocating
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Operator: China Hill Ag Service
- Registered owner: Graham Maloy
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, February 24, 1987, 331 hours before
- Departed: MQW, MCRAE, GA
- Destination: MQW

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; commercial; airplane ratings: single-engine land; medical: class 2, invalid medical for flight; seat: center; toxicology performed; flight hours: 10,050 total, 50 in this make and model, 10,050 as pilot in command, 150 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 110° at 5 knots
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 84 °F, dew point 68 °F
- Altimeter: 30.00 inHg
- Observed at: MCN, 70 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 19870915053059A](https://openairdocs.org/incident/19870915053059A), Sep 15, 1987: Scwzer G164A, Alamo, GA, Destroyed. The spray aircraft struck trees on low level pass. Pilot had been drinking. Passenger on board one seat aircraft.

## Other investigations on N6590 (1)

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 FTW76DRD35](https://openairdocs.org/ntsb/FTW76DRD35), Mar 31, 1976: Grumman G-164 (N6590), Oakdale, LA, 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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