# NTSB MKC86LA091: Rockwell S-2R, N4949X, Salem, IA, April 17, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 17, 1986, 09:30 local (15:30 UTC)
- Place: Salem, IA
- Coordinates: 40.850734, -91.619789 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.8507&lon=-91.6198&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): 34162
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC86LA091
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34162/pdf
- Page: https://openairdocs.org/ntsb/MKC86LA091

## 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
  - engine assembly - failure,total (cause)
  - acft/equip inadequate,supplemental type cert, company maintenance personnel (contributing factor)
- Forced landing, maneuvering - aerial application
- On ground/water encounter with terrain/water, landing - roll
  - wing,spar - bent
  - landing gear,main gear - buckled
  - terrain condition - rough/uneven

## Analysis

THE PILOT STATES THAT THE ENGINE QUIT WITHOUT WARNING AS HE WAS SPRAYING A WHEATFIELD. PILOT FURTHER STATES THAT HE HAD VERY LITTLE TIME TO PICK A SUITABLE LANDING AREA. HE LANDED IN HILLY TERRAIN AND SLID SIDEWAYS INTO A CREST, TEARING OUT THE RIGHT MAIN GEAR AND BENDING THE RIGHT WING.

## Aircraft

- Registration: [N4949X](https://openairdocs.org/aircraft/N4949X), registered now, S/N 5010R, built 1975 (OpenAirDocs)
- Reported make and model: Rockwell S-2R
- Registry model: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202) (OpenAirDocs)
- Registry engine: [Wright C7BA series](https://openairdocs.org/engine/wright-c7ba-series) (registry code 67017, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 501OR
- Airframe hours: 2003
- Engines: P&W R-1340 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Raymond W. Breazeale
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, March 15, 1986
- Departed: MPZ, MT. PLEASANT, IA
- Destination: SALEM, IA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: front; flight hours: 18,160 total, 2,000 in this make and model, 18,000 as pilot in command, 67 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 100° at 9 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Temperature: 48 °F, dew point 41 °F
- Altimeter: 30.00 inHg
- Observed at: BRL, 24 nm away

## 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 19860417012109A](https://openairdocs.org/incident/19860417012109A), Apr 17, 1986: Ayres S2RR1340REST, Salem, IA, Substantial damage. Engine quit after a spraying run. Struck a small rise in the field on landing. The engine teardown was not done.

## Other investigations on N4949X (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 MKC87LA164](https://openairdocs.org/ntsb/MKC87LA164), Aug 15, 1987: Rockwell S-2R (N4949X), Mediapolis, IA, substantial damage

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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