Cessna 185 N20752
28 November 1992 · Point Hope, Alaska, United States · No injuries
Summary
On 28 November 1992 at about 15:23 local time, a Cessna 185 registered N20752, operated by Cape Smythe Air Service, was involved in an accident near Point Hope, Alaska, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 15:23
- Classification
- Accident
- Location
- Point Hope, Alaska, United States
- Coordinates
- 68.6995, -164.8096
- Aircraft
- Cessna 185
- Registration
- N20752
- Category
- Airplane
- Engines
- 1
- Operator
- Cape Smythe Air Service
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Positioning
- Phase of flight
- Not recorded
- Route
- Unknown → Kotzebue
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- ANC93LA016
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
THE FAILURE OF THE NO. TWO CYLINDER CONNECTING ROD DUE TO A SLIPPED (SPUN) MAIN CRANKSHAFT BEARING WHICH BLOCKED OFF THE OIL HOLE TO THE CONNECTING ROD. A FACTOR IN THE ACCIDENT WAS THE UNSUITABLE TERRAIN ON WHICH TO PERFORM A FORCED LANDING.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE ENGINE FAILED ABOUT 5 TO 6 MINUTES AFTER TAKEOFF DURING THE CLIMB TO CRUISE PHASE OF OPERATION. THE PILOT MADE AN OFF AIRPORT FORCED LANDING ON AN ICE FLOW. AT THE TIME OF THE ACCIDENT, THE PART 135 OPERATOR WAS REPOSITIONING THE AIRPLANE UNDER PART 91. THE CAUSE OF THE ENGINE FAILURE WAS TRACED TO A SPUN CRANKSHAFT BEARING WHICH BLOCKED OFF THE OIL HOLE TO THE NO. 2 CYLINDER CONNECTING ROD, RESULTING IN ITS CATASTROPHIC FAILURE. THE SPUN BEARING MOST LIKELY WAS THE RESULT OF EITHER A LOSS OF TORQUE OR INSUFFICIENT TORQUE BEING APPLIED TO THE CRANKCASE THRU STUD BOLTS.
Quoted verbatim from the NTSB record.
Other Cessna 185 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 19 Feb 1992 | Cessna 185F | Pelican, Alaska, United States | Bellair, Inc. | Minor injuries | - |
| 24 May 1992 | Cessna 185 | Kahiltna Glacie, Alaska, United States | JIM and Julie Okonek | No injuries | - |
| 13 Jun 1992 | Cessna 185 | Durango, Colorado, United States | Heath, Jack L. | No injuries | - |
| 18 Jun 1992 | Cessna 185F | Talkeetna, Alaska, United States | K2 Aviation | No injuries | - |
| 21 Jun 1992 | Cessna 185 | Sole Lake, Alaska, United States | Hudson Air Service | No injuries | - |
| 1 Jul 1992 | Cessna 185F | Ekuk, Alaska, United States | Danial P. Seybert | No injuries | - |
All 1,004 records for this type
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 13 Feb 1992 | Piper PA-18A-150 | Anchorage, Alaska, United States | John Clark | Minor injuries | - |
| 12 Feb 1992 | Richard C Ballow KITFOX 1 | Valdez, Alaska, United States | Jones, William Marshall | No injuries | - |
| 17 Feb 1992 | Aeronca 7AC | Sitka, Alaska, United States | Diment, Archie G. | No injuries | - |
| 9 Oct 1992 | Champion 7EC | Chugiak, Alaska, United States | - | Fatal | 1 |
| 14 Feb 1992 | Cessna 180 | Shishmaref, Alaska, United States | Sheldon, Robert J. | Serious injuries | - |
| 24 Feb 1992 | De Havilland DH6 | Anchorage, Alaska, United States | Markair Express, Inc. | Minor injuries | - |