# Accident 20210918015889A: Fonville John C SWEARINGEN SX300, Buckeye, AZ, September 18, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 18, 2021, 08:24 local time
- Place: Buckeye, AZ
- Damage: Substantial damage
- Phase of flight: Climb
- Operating rules: General operating rules (Part 91)
- Location: 33.1946° N, 112.8118° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=33.1946&lon=-112.8118&mi=10
- Aircraft: N5SX, a cancelled registration (https://openairdocs.org/deregistered/N5SX-2023-01-14) (OpenAirDocs)
- Registry model: Fonville John C SWEARINGEN SX300 (registry code 05604AI, https://openairdocs.org/model/fonville-john-c-swearingen-sx300) (OpenAirDocs)
- Registry engine: Lycoming IO-540 series (registry code 41530, https://openairdocs.org/engine/lycoming-io-540-series) (OpenAirDocs)
- Reported make and model: FONVILLE JOHN C SWEARINGEN SX300
- Reported engine: LYCOMING IO-540 SER
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Airline transport, commercial pilot, private pilot
- Pilot flight hours: 5,600 total
- NTSB investigation: [NTSB WPR21LA357](https://openairdocs.org/ntsb/WPR21LA357) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210918015889A

## Narrative

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

ON SATURDAY, 09/18/2021, AT APPROXIMATELY 0824 MST, A SWEARINGEN SX300, N5SX, SERIAL NUMBER FYP-040, EXPERIENCED ENGINE FAILURE IN FLIGHT AND CRASHED LANDED OFF AIRPORT IN MARICOPA, ARIZONA. THE AIRCRAFT WAS OPERATING FROM GILA BEND AIRPORT IN DAYLIGHT, VMC CONDITIONS. THERE WAS NO FIRE BUT THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. THE PILOT SUSTAINED MINOR INJURIES AND THE SOLE PASSENGER WAS NOT INJURED. THERE WAS NO DAMAGE TO ANY OTHER AIRCRAFT OR STRUCTURES.

## 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 WPR21LA357](https://openairdocs.org/ntsb/WPR21LA357), Sep 18, 2021: Fonville Swearingen SX300 (N5SX), Buckeye, AZ, substantial damage. Probable cause: The total loss of engine power due to the failure of the left magneto.

## Other reports on N5SX (1)

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

- [Incident 19981127039749I](https://openairdocs.org/incident/19981127039749I), Nov 27, 1998: Amtres SX300 (N5SX), St Louis, MO, Minor damage. (-5)On 11-27-98 Mr. Fonville was enroute from ft. worth, TX to st. clair, M0. When Mr. Fonville selected the landing gear down for landing at st. clar MO. He…

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.

---
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.