# Accident 20040711013469A: Wsk M18A, Pine Ridge, SD, July 11, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 11, 2004, 19:30 local time
- Place: Pine Ridge, SD
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: Agricultural (Part 137)
- Operator: WOBG
- Location: 43.0458° N, 102.9306° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.0458&lon=-102.9306&mi=10
- Aircraft: N7077N, a cancelled registration (https://openairdocs.org/deregistered/N7077N-2022-09-03) (OpenAirDocs)
- Registry model: WSK PZL Mielec M-18A (registry code 9810103, https://openairdocs.org/model/wsk-pzl-mielec-m-18a) (OpenAirDocs)
- Registry engine: Pezetel ASZ-621R-M18 (registry code 49800, https://openairdocs.org/engine/pezetel-asz-621r-m18) (OpenAirDocs)
- Reported make and model: WSK M18A
- Reported engine: LYC T53L7A
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 0 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB CHI04TA193](https://openairdocs.org/ntsb/CHI04TA193) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040711013469A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) THE AIRCRAFT OWNED AND OPERATED BY AIRWORK ENTERPRISES OF FLORIDA, INC. DENVER CITY, TX WAS IN CRUISE FLIGHT RETURNING FROM FIRE PATROL NEAR PINE RIDGE, SD. DURING CRUISE FLIGHT THE PROPELLER WENT TO FLAT PITCH, BUT THE ENGINE WAS STILL DEVELOPING POWER. THE PILOT MADE AN EMERGENCY LANDING OFF AIRPORT IN A WHEAT FIELD. THE AIRCRAFT'S RIGHT LANDING GEAR STRUCK A DITCH IN THE FIELD CAUSING SUBSTANTIAL DAMAGE TO THE WING CENTER SECTION.

## The NTSB's investigation of this event (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 CHI04TA193](https://openairdocs.org/ntsb/CHI04TA193), Jul 12, 2004: PZL-Mielec M-18T (N7077N), Pine Ridge, SD, substantial damage. Probable cause: The propeller went to an overspeed condition as a result of contamination of the propeller control unit due to improper servicing by the operator and the mechanic. A factor was the hilly terrain.

## Other reports on N7077N (1)

Matched to the same aircraft by N-number and date.

- [Accident 20050823020409A](https://openairdocs.org/incident/20050823020409A), Aug 23, 2005: Wsk M18A (N7077N), Elko, NV, Substantial damage. (-23) The aircraft was under contract to blm for firefighting. The pilot was part of a firefighting effort in high winds in mountainous terrain. The pilot…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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