# NTSB FTW00LA200: Schweizer G-164B, N3629T, Moscow, TX, July 8, 2000

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: July 8, 2000, 07:50 local (12:50 UTC)
- Place: Moscow, TX
- Coordinates: 30.92045, -94.930809 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=30.9204&lon=-94.9308&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report July 10, 2001
- Report: Approved by Office Director
- NTSB case key (mKey): 49650
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW00LA200
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/49650/pdf
- Page: https://openairdocs.org/ntsb/FTW00LA200

## Probable cause

the failure of the power output reduction gear to the propeller.  A contributing factor was the lack of suitable terrain for the forced landing.

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, maneuvering - aerial application
  - reduction gear assy,reduction gear - failure (cause)
- Forced landing, descent - emergency
- In flight collision with object, descent - emergency
  - terrain condition - none suitable (contributing factor)
  - object - tree(s)

## Analysis

During a swath run, while fertilizing trees, the pilot heard a 'loud scream' followed by a total loss of engine power. During the forced landing, while dumping the fertilizer, the airplane's left wing struck a tree.  Subsequently, the airplane impacted the ground.  A teardown examination of the turboprop engine revealed that the power output reduction gear to the propeller had failed.

## Factual narrative

On July 8, 2000, approximately 0750 central daylight time, a Schweizer G-164B agricultural airplane, was substantially damaged during a forced landing following a loss of engine power near Moscow, Texas.  The aircraft was registered to a private individual and operated by Payne's Flying Service, Inc., of Brandon, Mississippi.  The commercial pilot, sole occupant, was seriously injured.  Visual meteorological conditions prevailed, and a flight plan was not filed for the 14 Code of Federal Regulations Part 137 aerial application flight.  The local flight originated from Lufkin, Texas, at an undetermined time.

The pilot was fertilizing trees for the International Paper Company.  During a swath run, the pilot heard a "loud scream" followed by a total loss of engine power.  During the forced landing, while dumping the fertilizer, the airplane's left wing struck a tree.  Subsequently, the airplane impacted the ground.

Examination of the aircraft, by the FAA inspector who responded to the accident site, revealed that both wings and the fuselage were structurally damaged.

The turboprop engine was examined at Intercontinental Jet's facility in Tulsa, Oklahoma, at the direction of the operator's insurance company.  According to the insurance adjuster, the examination revealed that the power output reduction gear to the propeller had failed.

## Aircraft

- Registration: [N3629T](https://openairdocs.org/deregistered/N3629T-2010-07-23), registration cancelled 2010-07-23, S/N 751B (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: 751B
- Airframe hours: 10396
- Engines: Garrett TPE331-6-252M 715 horsepower turbo prop
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Paynes Flying Service, Inc.
- Registered owner: Cecil H. Payne
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, May 20, 2000, 114 hours before
- Departed: LFK, LUFKIN, TX

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 23,556 total, 3,556 in this make and model, 23,566 as pilot in command, 500 in the last 90 days, 100 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 1 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 81 °F
- Altimeter: 30.00 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 20000708008529A](https://openairdocs.org/incident/20000708008529A), Jul 8, 2000: Scwzer G164B, Moscow, TX, Substantial damage. (-23) On July 8, 2000, at 0750 CDT a Schweizer, G-164B agricultral airplane, was substantially damaged during a forced landing following a loss of engine power…

## Other investigations on N3629T (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 ATL99LA055](https://openairdocs.org/ntsb/ATL99LA055), Mar 19, 1999: Schweizer G-164B (N3629T), Bay Springs, MS, substantial damage. Probable cause: THE FUEL CONTROL DRIVE BEARING FAILURE AT THE INTERMEDIATE GEAR RESULTED IN FUEL STARVATION AND THE SUBSEQUENT LOSS OF ENGINE POWER.

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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