# NTSB SEA92LA124: Schweizer G-164B, N3627S, Klamath Falls, OR, June 10, 1992

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: June 10, 1992, 10:30 local (17:30 UTC)
- Place: Klamath Falls, OR
- Coordinates: 42.160602, -121.68 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.1606&lon=-121.6800&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 4 minor; on the ground: 3 minor
- Status: Completed, report September 28, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 42831
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA92LA124
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/42831/pdf
- Page: https://openairdocs.org/ntsb/SEA92LA124

## Probable cause

THE PILOT'S POOR INFLIGHT PLANNING/DECISION. FACTORS TO THE ACCIDENT WERE:  CLEARANCE WAS NOT MAINTAINED AND INADEQUATE REMEDIAL ACTION.

## Sequence of events

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

- In flight collision with object, maneuvering
  - object - vehicle
  - clearance - not maintained, pilot in command (contributing factor)
  - remedial action - inadequate, pilot in command (contributing factor)
  - in-flight planning/decision - poor, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - ditch

## Analysis

AT THE END OF AN AERIAL APPLICATION FLIGHT, THE PILOT REPORTED THAT HE WAS PARALLELING A ROAD THAT HIS SON WAS TRAVELLING ON, IN A PICK UP TRUCK. THE PILOT REACHED DOWN TO TURN OFF THE SPRAY PUMP AND AT THE SAME TIME THE TRUCK DISTURBED A FLOCK OF BIRDS THAT TOOK FLIGHT. WHEN THE PILOT LOOKED UP AND SAW THE BIRDS, HE TOOK EVASIVE ACTION IN THE DIRECTION OF THE PICK UP TRUCK. THE AIRPLANE STRUCK THE CAB OF THE TRUCK FROM THE REAR. THE PILOT WAS UNABLE TO MAINTAIN CONTROL OF THE AIRPLANE AND COLLIDED INTO A DITCH.

## Aircraft

- Registration: [N3627S](https://openairdocs.org/aircraft/N3627S), registered now, S/N 732B (OpenAirDocs)
- Reported make and model: SCHWEIZER G-164B
- Registry model: [Schweizer G-164B](https://openairdocs.org/model/schweizer-g-164b) (registry code 8059055) (OpenAirDocs)
- Category: Airplane
- Serial number: 732B
- Engines: GARRETT TPE-331 575 horsepower turbo prop
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Operator: Yancey, Robert F.
- Registered owner: Yancey, Robert F.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, February 4, 1992, 152 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 52; commercial; airplane ratings: multi-engine land, single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 14,000 total, 9,999 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Lowest ceiling: none

## 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 19920610019419A](https://openairdocs.org/incident/19920610019419A), Jun 10, 1992: Scwzer G164B, Klamath Falls, OR, Destroyed. Distracted turning off spray pump then tried avoid birds. Struck family truck on adjacent road. Lost control.

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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