# Accident 20100629038099A: Cessna U206G, Iliamna, AK, June 29, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 29, 2010, 17:35 local time
- Place: Iliamna, AK
- Airport: Iliamna
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: Air taxi and commuter (Part 135)
- Operator: ERHA
- Location: 59.6483° N, 155.4200° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=59.6483&lon=-155.4200&mi=10
- Aircraft: N4596U, registered now (https://openairdocs.org/aircraft/N4596U) (OpenAirDocs)
- Registry model: Cessna U206G (registry code 2073356, https://openairdocs.org/model/cessna-u206g) (OpenAirDocs)
- Registry engine: Continental IO-520 series (registry code 17032, https://openairdocs.org/engine/continental-io-520-series) (OpenAirDocs)
- Reported make and model: CESSNA U206G
- Reported engine: CONT MOTOR IO 520
- People aboard: 6
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Airline transport
- Pilot flight hours: 19,900 total, 3,000 in this make and model, 80 in the last 90 days
- NTSB investigation: [NTSB ANC10LA056](https://openairdocs.org/ntsb/ANC10LA056) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20100629038099A

## Narrative

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

PILOT FUELED AIRCRAFT WITH 42 GALLONS OF FUEL, 20-L AND 22-R TANK. PILOT FLEW AIRCRAFT FOR ABOUT 20 MIN. ON EACH TANK. IN CRUISE THE PILOT MADE A RICHER MIXTURE ADJUSTMENT FROM 15GPH TO 18 GPH, AFTER NOTICING AN EGT RISE. THE ENGINE, CURRENTLY ON LEFT TANK, QUIT RUNNING.  THE PILOT SWITCHED TO THE RIGHT TANK, SWITCHED ON THE AUX BOOST PUMP AND WAS UNABLE TO RESTART THE ENGINE.  THE PILOT COMPLETED A FORCED LANDING  INTO SOFT MOUNDED TUNDRA, AND THE AIRCRAFT DID A SMALL GLIDE, STOPPED VERTICAL FOR A FEW SECONDS, THEN NOSED ONTO IT'S BACK.

## 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 ANC10LA056](https://openairdocs.org/ntsb/ANC10LA056), Jun 30, 2010: Cessna U206G (N4596U), Iliamna, AK, substantial damage. Probable cause: The total loss of engine power during cruise flight due to a fractured crankshaft.

## Other reports on N4596U (2)

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

- [Accident 20160523009159A](https://openairdocs.org/incident/20160523009159A), May 23, 2016: Cessna U206G (N4596U), Chinitna Bay Ai, AK, Substantial damage. During a maneuver to reverse direction and reposition the nose wheel bounced over sand berm?s along the edge of the runway. As the nose wheel bounced up the…
- [Accident 19950802021389A](https://openairdocs.org/incident/19950802021389A), Aug 2, 1995: Cessna U206G (N4596U), Skwentna, AK, Substantial damage. Float equipped aircraft lost power after water takeoff. Hit sandbar and nosed over. Low fuel caused unporting.

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.
