# NTSB ATL87LA084: Grumman G-164A, N8721H, Leslie, GA, March 10, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 10, 1987, 17:30 local (22:30 UTC)
- Place: Leslie, GA
- Coordinates: 31.949804, -84.080795 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=31.9498&lon=-84.0808&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 7387
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL87LA084
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7387/pdf
- Page: https://openairdocs.org/ntsb/ATL87LA084

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, takeoff - initial climb
  - engine assembly,cylinder - cracked (cause)
- In flight collision with object, descent
  - object - wire,transmission
- Forced landing, landing
- Main gear collapsed, landing - roll
  - terrain condition - soft (contributing factor)
  - landing gear,main gear - overload (contributing factor)
  - landing gear,main gear - failure,total (contributing factor)
- Nose over, landing - roll

## Analysis

THE PLT REPORTED LOSING POWER SHORTLY AFTER TAKEOFF; A FORCED LDG WAS SUBSEQUENTLY MADE IN A FRESHLY-PLOWED FIELD WHERE THE ACFT FLIPPED OVER. EXAMINATION OF THE ENGINE REVEALED A CRACKED #7 CYL HEAD. FAA SERVICE DIFFICULTY REPORTS (SDR'S) INDICATED THAT THERE HAVE BEEN AT LEAST 20 SIMILAR CASES OF CYL CRACKING ON P&W R-1340 ENGINES BETWEEN JANUARY 1980 AND APRIL 1987.

## Aircraft

- Registration: N8721H (not matched to a registry record)
- Reported make and model: GRUMMAN G-164A
- Category: Airplane
- Serial number: 1491
- Airframe hours: 6129
- Engines: P&W R-1340-AN-1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Shiloh Dusting Service, Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, December 12, 1986, 48 hours before
- Departed: LESLIE, GA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 57; commercial; airplane ratings: single-engine land, multi-engine land, single-engine sea; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 13,340 total, 3,148 in this make and model, 13,266 as pilot in command, 48 in the last 90 days

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: calm
- Visibility: 6 statute miles
- Lowest ceiling: none
- Temperature: 61 °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 19870310007399A](https://openairdocs.org/incident/19870310007399A), Mar 10, 1987: Grumav STCG164, Leslie, GA, Substantial damage. The engine lost power shortly after takeoff. The engine cylinder head was found cracked.

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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