# NTSB MKC86LA162: Aero Commander S-2R, N5694X, Dumas, AR, July 28, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 28, 1986, 11:30 local (16:30 UTC)
- Place: Dumas, AR
- Coordinates: 33.880786, -91.480964 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.8808&lon=-91.4810&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): 34224
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC86LA162
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34224/pdf
- Page: https://openairdocs.org/ntsb/MKC86LA162

## 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 - failure,total (cause)
  - material defect, manufacturer (contributing factor)
- Forced landing, takeoff - initial climb
  - remedial action - not possible, pilot in command (contributing factor)
- In flight collision with terrain/water, descent
  - terrain condition - rough/uneven (contributing factor)
  - airspeed - not maintained, pilot in command (cause)
- Fire, other

## Analysis

THE PILOT STATED THAT AFTER TAKEOFF, DURING INITIAL CLIMB, HE HEARD GRINDING METAL AND SMELLED HOT METAL BEFORE THE ENGINE SLOWED DOWN AND SEIZED. AFTER CRASH LANDING IN A CORN FIELD, THE PILOT FURTHER STATED, HE NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT WHEREUPON HE QUICKLY EXITED UNINJURED. SHORTLY THEREAFTER THE AIRCRAFT CAUGHT FIRE AND BURNED, ACCORDING TO THE PILOT.

## Aircraft

- Registration: [N5694X](https://openairdocs.org/deregistered/N5694X-1988-03-21), registration cancelled 1988-03-21, S/N 1794R (OpenAirDocs)
- Reported make and model: AERO COMMANDER S-2R
- Registry model: [Aero Commander S2R](https://openairdocs.org/model/aero-commander-s2r) (registry code 0143022) (OpenAirDocs)
- Category: Airplane
- Serial number: 1794R
- Engines: P&W R-1340-AN-1 600 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Aerial application, Part 137
- Registered owner: Hillis Wayne Shultz
- Airworthiness certificate: Special, Restricted (Special)
- Departed: DUMAS, AR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 4,340 total, 960 in this make and model, 4,300 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 7 knots
- Visibility: 6 statute miles
- Lowest ceiling: none
- Temperature: 99 °F, dew point 72 °F
- Altimeter: 29.00 inHg
- Observed at: LIT, 62 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 19860728036509A](https://openairdocs.org/incident/19860728036509A), Jul 28, 1986: Ayres S2RR1340REST, Dumas, AR, Destroyed. The engine seized during aerial application maneuvers. The aircraft impacted crops and burned. Cause unknown.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
