# NTSB FTW87DRG02: Air Tractor AT301, N5510S, Weslaco, TX, May 22, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: May 22, 1987, 07:30 local (13:30 UTC)
- Place: Weslaco, TX
- Coordinates: 26.290079, -97.96035 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=26.2901&lon=-97.9604&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 6, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 22210
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW87DRG02
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/22210/pdf
- Page: https://openairdocs.org/ntsb/FTW87DRG02

## 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
  - eng assembly,blower/impeller/integral supercharger - failure,partial (cause)
- Forced landing, descent - emergency
- Main gear collapsed, landing - flare/touchdown
  - landing gear,main gear - overload (contributing factor)

## Analysis

DURING AN AERIAL APPLICATION FLT THE ENG LOST PWR AND THE PLT MADE A FORCED LNDG. POST ACC DISASSEMBLY OF THE ACFT ENG REVEALED THE FAILURE OF AN IMPELLER BEARING WHICH RESULTED IN THE FAILURE OF THE ENG.

## Aircraft

- Registration: N5510S (not matched to a registry record)
- Reported make and model: Air Tractor AT301
- Category: Airplane
- Serial number: 3010122
- Airframe hours: 4364
- Engines: P&W R1340-14B 550 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: James B. Skalitsky
- Registered owner: Larry Skalitsky
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, December 17, 1986, 200 hours before
- Departed: EDCOUCH, TX

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 2,620 total, 2,098 in this make and model, 2,549 as pilot in command, 84 in the last 90 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 13° at 8 knots
- Visibility: 2 statute miles
- Temperature: 75 °F, dew point 75 °F
- Altimeter: 30.00 inHg

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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