# Accident 20161125023009A: Experimental SQ-12, Palmer, AK, November 25, 2016

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 25, 2016, 12:50 local time
- Place: Palmer, AK
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 61.1919° N, 148.6869° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=61.1919&lon=-148.6869&mi=10
- Aircraft: N37PX, registered now (https://openairdocs.org/aircraft/N37PX) (OpenAirDocs)
- Registry model: Airborne Extreme SQ-12 (registry code 056336M, https://openairdocs.org/model/airborne-extreme-sq-12) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: EXPERIMENTAL SQ-12
- Reported engine: TITAN AIRCRAFT ENGINES IOX-409-K7JBN4
- People aboard: 3
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot
- Pilot flight hours: 1,275 total, 1,275 in this make and model, 100 in the last 90 days
- NTSB investigation: [NTSB ANC17LA008](https://openairdocs.org/ntsb/ANC17LA008) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20161125023009A

## Narrative

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

DURING CRUISE FLIGHT THE ENGINE SUDDENLY SPOOLED DOWN AND QUIT RUNNING.  EMERGENCY LANDING WAS REQUIRED WHICH CAUSED SIGNIFICANT DAMAGE TO FUSELAGE, ENGINE, PROPELLER, AND LANDING GEAR.

## 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 ANC17LA008](https://openairdocs.org/ntsb/ANC17LA008), Nov 25, 2016: Airborne Extreme SQ-12 (N37PX), Palmer, AK, substantial damage. Probable cause: The fuel injector manufacturer's inappropriate guidance to use a 5-ampere circuit breaker in place of the required 10-ampere circuit breaker on the fuel injector circuit, which resulted in the…

## Other reports on N37PX (1)

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

- [Incident 20220819020269I](https://openairdocs.org/incident/20220819020269I), Aug 19, 2022: Airborne Extreme LLC SQ-12 (N37PX), Wasilla, AK, Minor damage. [privacy data omitted]After landing on a sand bar on the knik river, allowed the wind to tip the left wing of [privacy data omitted] onto the riverbed and…

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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