Cessna 206 N4672U
13 June 1993 · Portage, Alaska, United States · No injuries
Summary
On 13 June 1993 at about 18:10 local time, a Cessna 206 registered N4672U, operated by JIM Air, was involved in an incident near Portage, Alaska, United States. 3 people were on board and nobody was injured. The aircraft was slightly damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 18:10
- Classification
- Incident
- Location
- Portage, Alaska, United States
- Coordinates
- 55.9198, -159.4895
- Aircraft
- Cessna 206
- Registration
- N4672U
- Category
- Airplane
- Engines
- 1
- Operator
- JIM Air
- Operating rule
- Part 135: Air Taxi & Commuter
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Lake Hood Sea → Prince Wlm Snd
- Aircraft damage
- Minor
- Weather
- VMC
- Light
- Day
- NTSB number
- ANC93IA093
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 3 | 0 | 0 | 0 | 3 |
Probable cause
THE FAILURE OF THE NUMBER TWO CYLINDER CONNECTING ROD BEARING DUE TO THE SHIFTING OF THE BEARING WITHIN ITS JOURNAL RACE WHICH PRODUCED AN OIL STARVATION/THERMAL DISTRESS EVENT.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
DURING THE CRUISE CLIMB, THE ENGINE BEGAN TO EMIT METALLIC SOUNDS AND LOOSE POWER. A SUCCESSFUL OFF AIRPORT EMERGENCY LANDING WAS PERFORMED. DISASSEMBLY OF THE ENGINE REVEALED THAT THE NO. 2 CYLINDER CONNECTING ROD BEARING HAD SHIFTED WITHIN ITS JOURNAL RACE WHICH PRODUCED AN OIL STARVATION/THERMAL DISTRESS EVENT. THE CAUSE OF THE BEARING SHIFT COULD NOT BE DETERMINED.
Quoted verbatim from the NTSB record.
Other Cessna 206 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 5 Sep 1993 | Cessna 206 | Inlet, New York, United States | LLS Inc. | No injuries | - |
| 3 Feb 1993 | Cessna 206G | Keuterville, Idaho, United States | Grangeville Air Service | No injuries | - |
| 17 May 1993 | Cessna 206 | Deadhorse, Alaska, United States | 40 Mile Air, Ltd | No injuries | - |
| 4 Jun 1993 | Cessna 206G | Igiugig, Alaska, United States | Six Mile Air, Inc. | No injuries | - |
| 2 Jul 1993 | Cessna 206 | Skwentna, Alaska, United States | Alaska Bush Carriers | No injuries | - |
| 19 Jul 1993 | Cessna 206G | Kelly River Bar, Alaska, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Jul 1993 | Cessna A185F | Denali Nat'l Pk, Alaska, United States | James Okonek | Serious injuries | - |
| 4 Aug 1993 | Piper PA-32R-300 | Atigun Pass, Alaska, United States | Yutana Airlines | Fatal | 1 |
| 19 Aug 1993 | De Havilland DHC-3 | Nikabuna Lake, Alaska, United States | Ketchum Air Service Inc. | Minor injuries | - |
| 31 Aug 1993 | De Havilland DHC-2 | Iliamna, Alaska, United States | Rainbow King, Inc | Fatal | 3 |
| 2 Sep 1993 | Piper PA-18A-150 | Sanona Creek, Alaska, United States | Garfield, Wade E. | Fatal | 2 |
| 8 Sep 1993 | Interstate S-1B2 ARCTIC TERN | Talkeetna River, Alaska, United States | Franklin, Gary L. | Serious injuries | - |