# NTSB LAX86FUJ04: Grumman G-164-3, N5342, Casa Grande, AZ, July 17, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 17, 1986, 10:46 local (17:46 UTC)
- Place: Casa Grande, AZ
- Location: 32.8795° N, 111.7574° W: Placed by OpenAirDocs: center of Casa Grande, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8795&lon=-111.7574&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 24951
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86FUJ04
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24951/pdf
- Page: https://openairdocs.org/ntsb/LAX86FUJ04

## Sequence of events

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

- In flight collision with object, maneuvering - aerial application
  - object - wire,transmission (contributing factor)
  - visual lookout - not maintained, pilot in command (cause)
  - clearance - not maintained, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - crop

## Analysis

THE ACFT COLLIDED WITH TELEPHONE WIRES ON THE THIRD APCH TO A FIELD FOR AN AERIAL APPLICATION RUN. THE ACFT THEN DESCENDED TO COLLISION WITH THE TERRAIN. THE PLT REPORTED HAVING NOTICED THE POWER LINES DURING THE PREVIOUS SPRAY RUNS.

## Aircraft

- Registration: N5342 (not matched to a registry record)
- Reported make and model: GRUMMAN G-164-3
- Category: Airplane
- Serial number: 616
- Engines: P&W R-985 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Al-Don Dusting Service, Inc.
- Registered owner: William J. Lewallen
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, July 11, 1985, 400 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; commercial; airplane ratings: single-engine land, multi-engine land; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 625 total, 160 in this make and model, 550 as pilot in command, 120 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 84 °F, dew point -0 °F
- Altimeter: 29.00 inHg

## 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 19860717034569A](https://openairdocs.org/incident/19860717034569A), Jul 17, 1986: Scwzer G164A, Casa Grande, AZ, Substantial damage. The aircraft snagged a phone line while flying under the wires during aerial application. Nosed over on impact.

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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