# NTSB SEA86LA166: Rockwell S2R, N5698X, Royal City, WA, July 12, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 12, 1986, 09:55 local (16:55 UTC)
- Place: Royal City, WA
- Coordinates: 46.899768, -119.659858 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.8998&lon=-119.6599&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40440
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA86LA166
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40440/pdf
- Page: https://openairdocs.org/ntsb/SEA86LA166

## Analysis

SHORTLY AFTER TAKEOFF AT AN ALT OF APRX 110 FT AGL, A LOSS OF PWR OCCURRED DUE TO THE #2 CYLINDER FAILING. THE ACFT NOSED OVER DURING THE SUBSEQUENT FORCED LANDING IN A WHEAT FIELD. THE PLT THEN EXTINGUISHED A SMALL EXHAUST FIRE.

## 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, takeoff - initial climb
  - engine assembly,cylinder - failure,total (cause)
- Nose over, landing - roll
  - terrain condition - high vegetation (contributing factor)
- Fire, other

## Aircraft

- Registration: [N5698X](https://openairdocs.org/deregistered/N5698X-1988-06-14), registration cancelled 1988-06-14, S/N 2386R (OpenAirDocs)
- Reported make and model: ROCKWELL S2R
- Registry model: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202) (OpenAirDocs)
- Category: Airplane
- Serial number: 2386R
- Airframe hours: 1800
- Engines: P&W R1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Fire: Unknown
- Flight: Aerial application, Part 137
- Registered owner: Sun Fresh Aviation
- Airworthiness certificate: Special, Restricted (Special)
- Departed: 8WA6, ROYAL CITY, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; airline transport, commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: center; flight hours: 10,101 total, 2,300 in this make and model, 9,892 as pilot in command, 210 in the last 90 days, 10 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 250° at 5 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 75 °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 19860712032349A](https://openairdocs.org/incident/19860712032349A), Jul 12, 1986: Ayres S2RRESTD, Royal City, WA, Substantial damage. The engine lost power when number 2 cylinder failed. The pilot landed in a field and the aircraft flipped over.

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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