# Accident 20150904012839A: Air Tractor Inc AT-402A, Ft Pierre, SD, September 4, 2015

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 4, 2015, 08:00 local time
- Place: Ft Pierre, SD
- Damage: Substantial damage
- Phase of flight: Maneuver
- Operating rules: Agricultural (Part 137)
- Operator: Y5RG
- Location: 44.3767° N, 100.6314° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=44.3767&lon=-100.6314&mi=10
- Aircraft: N321DA, registered now (https://openairdocs.org/aircraft/N321DA) (OpenAirDocs)
- Registry model: Air Tractor AT-402A (registry code 0390206, https://openairdocs.org/model/air-tractor-at-402a) (OpenAirDocs)
- Registry engine: Pratt & Whitney Canada PT6A-15AG (registry code 52246, https://openairdocs.org/engine/pratt-whitney-canada-pt6a-15ag) (OpenAirDocs)
- Reported make and model: AIR TRACTOR INC AT-402A
- Reported engine: P&W CANADA PT6A-15AG
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 1,875 total, 77 in this make and model, 318 in the last 90 days
- NTSB investigation: [NTSB GAA15CA251](https://openairdocs.org/ntsb/GAA15CA251) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20150904012839A

## Narrative

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

ON SEPTEMBER 4, 2015 AT APPROXIMATELY 0900 CST AN AIR TRACTOR^PRIVACY DATA OMITTED^ HIT A TOWER GUY WIRE DURING SPRAY OPERATIONS. CLEAR CONDITIONS PREVAILED AND IT WAS A VFR FLIGHT, NO FLIGHT PLAN WAS FILED. THE AIRCRAFT SUFFERED SUBSTANTIAL DAMAGE TO THE SPINNER, PROPELLER, AND LEFT WING, AND THE PILOT WAS UNINJURED. THE PILOT HOLDS A COMMERCIAL CERTIFICATE. THE FLIGHT ORIGINATED FROM A PRIVATE AIRSTRIP AT HAYES, SD ON SEPTEMBER 4, 2015.

## 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 GAA15CA251](https://openairdocs.org/ntsb/GAA15CA251), Sep 4, 2015: Air Tractor AT 402A (N321DA), Fort Pierre, SD, substantial damage. Probable cause: The pilot's failure to maintain obstacle clearance, which resulted in the airplane striking guy-wires during aerial application operations.

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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