# NTSB SEA83LA154: Weatherly 201C, N9089W, Tensed, ID, July 21, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 21, 1983, 11:10 local (18:10 UTC)
- Place: Tensed, ID
- Coordinates: 47.119731, -116.790054 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.1197&lon=-116.7901&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 39734
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA83LA154
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39734/pdf
- Page: https://openairdocs.org/ntsb/SEA83LA154

## Sequence of events

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

- Loss of control - in flight, maneuvering - aerial application
  - terrain condition - uphill (contributing factor)
  - terrain condition - high obstruction(s) (contributing factor)
  - airspeed - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command (contributing factor)
- In flight collision with object, maneuvering - aerial application
  - object - tree(s) (contributing factor)

## Analysis

THE ACFT HAD MADE 3 PASSES SINCE RELOADING, SO THE ACFT WAS FAIRLY HEAVY AND WAS ON AN UPHILL PASS AS IT BEGAN A TURN- AROUND. IN AN ATTEMPT TO MANEUVER AND CLEAR 100 FT TREES THE ACFT STALLED AND THE RT WING TIP HIT A TREE.

## Aircraft

- Registration: [N9089W](https://openairdocs.org/deregistered/N9089W-2013-05-17), registration cancelled 2013-05-17, S/N 1026, built 1977 (OpenAirDocs)
- Reported make and model: WEATHERLY 201C
- Registry model: [Weatherly 201C](https://openairdocs.org/model/weatherly-201c) (registry code 9630410) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 1026
- Airframe hours: 1230
- Engines: P&W R985-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Fire: On-Ground
- Flight: Aerial application, Part 137
- Registered owner: Clinton Lyle Tucker
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, October 1, 1982
- Airport: Teal'S

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: center; flight hours: 1,296 total, 605 in this make and model, 1,156 as pilot in command, 200 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 73 °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 19830721037189A](https://openairdocs.org/incident/19830721037189A), Jul 21, 1983: Wthrly 201C, Tensed, ID, Substantial damage. Aircraft stalled during procedure turn and crashed into trees during spraying operation.

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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