# NTSB LAX87DVA02: Schweizer G-164A, N8741H, Fresno, CA, November 24, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: November 24, 1986, 13:20 local (21:20 UTC)
- Place: Fresno, CA
- Coordinates: 36.639007, -119.910774 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.6390&lon=-119.9108&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 25322
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX87DVA02
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25322/pdf
- Page: https://openairdocs.org/ntsb/LAX87DVA02

## 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 - inadequate, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE AIRPLANE COLLIDED WITH TELEPHONE LINES WHILE CONDUCTING AN AERIAL APPLICATION OPERATION. THE PILOT REPORTED THAT HE WAS FAMILIAR WITH THE AREA. HE SURVEYED THE FIELD, IN FLIGHT, BEFORE HE COMMENCED THE SPRAYING ACTIVITIES. THE PILOT DID NOT REPORT, NOR DID THE INVESTIGATION DETERMINE, ANY AIRPLANE PREEXISTING MALFUNCTIONS OR FAILURES.

## Aircraft

- Registration: [N8741H](https://openairdocs.org/deregistered/N8741H-2024-06-15), registration cancelled 2024-06-15, S/N 1508 (OpenAirDocs)
- Reported make and model: SCHWEIZER G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (OpenAirDocs)
- Category: Airplane
- Serial number: 1508
- Airframe hours: 3412
- Engines: P&W PW1340-AN-1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Kenny'S Crop Dusting, Inc.
- Registered owner: Woten Aviation Services Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Departed: FRESNO COUNTY, CA
- Destination: CA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 9,039 total, 2,000 in this make and model, 107 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 70 °F, dew point -0 °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 19861124068029A](https://openairdocs.org/incident/19861124068029A), Nov 24, 1986: Scwzer G164A, Fresno, CA, Substantial damage. The aircraft struck wires during aerial spraying operations. The pilot was attempting to underfly the wires.

## Other investigations on N8741H (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 WPR09LA373](https://openairdocs.org/ntsb/WPR09LA373), Jul 28, 2009: Grumman G164 (N8741H), Riverdale, CA, substantial damage. Probable cause: The partial loss of engine power due to the failure of the engine's supercharger-blower.

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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