# NTSB FTW83LA386: Rockwell S2-R, N110JS, Jonesboro, AR, August 16, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 16, 1983, 17:00 local (22:00 UTC)
- Place: Jonesboro, AR
- Coordinates: 35.819061, -90.680664 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.8191&lon=-90.6807&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21019
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW83LA386
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21019/pdf
- Page: https://openairdocs.org/ntsb/FTW83LA386

## 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, cruise - normal
  - turbine assembly,turbine blade - failure,total (cause)
  - turbine assembly,shaft bearing - worn (cause)
- Forced landing, landing - flare/touchdown

## Analysis

THE ACFT COLLIDED WITH A DITCH DURING A FORCED LANDING AFTER THE ENGINE QUIT. ENROUTE TO A FARMERS FIELD THE ENGINE FAILED VERY SHORTLY AFTER FLAME WAS SEEN EMITTING FROM THE EXHAUST STACK. POST ACCIDENT EXAMINATION SHOWED THAT SEVERAL BLADES IN THE 1ST STAGE TURBINE FAILED. THE #2 BEARING AND BEARING RACE ALSO SHOWED EXCESSIVE WEAR.

## Aircraft

- Registration: [N110JS](https://openairdocs.org/deregistered/N110JS-2013-06-07), registration cancelled 2013-06-07, S/N 2323R (OpenAirDocs)
- Reported make and model: ROCKWELL S2-R
- Registry model: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202) (OpenAirDocs)
- Category: Airplane
- Serial number: 2323R
- Airframe hours: 500
- Engines: P&W PT6A-20 550 horsepower turbo prop
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Registered owner: Jay H. Harmon
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Unknown, October 18, 1982
- Departed: LAKE CITY, AR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; commercial; airplane ratings: single-engine land, multi-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 10,000 total, 10,000 as pilot in command, 30 in the last 90 days, 15 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 7 statute miles
- 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 19830816041809A](https://openairdocs.org/incident/19830816041809A), Aug 16, 1983: Ayres S2RRESTD, Jonesboro, AR, Substantial damage. Crash occurred when aircraft hit ditch during emergency landing after turbine blade failure caused power loss.

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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