Cessna 180G N4700U
22 June 1991 · Challis, Idaho, United States · Minor injuries
Summary
On 22 June 1991 at about 15:45 local time, a Cessna 180G registered N4700U, operated by Maxl Willis, was involved in an accident near Challis, Idaho, United States. 2 people were on board and one had minor injuries. 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 15:45
- Classification
- Accident
- Location
- Challis, Idaho, United States
- Coordinates
- 44.6493, -114.1510
- Aircraft
- Cessna 180G
- Registration
- N4700U
- Category
- Airplane
- Engines
- 1
- Operator
- Maxl Willis
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Flying B Ranch → Camas Creek
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- SEA91LA139
People
1 person had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 1 | 1 |
Probable cause
THAT THE PILOT ENCOUNTERED UNSUITABLE TERRAIN DURING A FORCED LANDING AFTER A POWER LOSS DUE TO A FRACTURED CYLINDER BOSS AND A BENT ENGINE PUSHROD.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE CESSNA 180 WAS IN CRUISE FLIGHT A FEW MINUTES AFTER DEPARTURE WHEN THE ENGINE BEGAN RUNNING ROUGH AND LOST POWER. THE PILOT WAS UNABLE TO RETURN TO A SAFE LANDING SITE, SO ELECTED TO ATTEMPT A FORCED LANDING NEAR A RIVER. AN ENGINE TEARDOWN REVEALED THAT THE EXHAUST VALVE ROCKER SHAFT BOSS ON ONE CYLINDER HAD FAILED AND THE BROKEN PIECE MIGRATED UNDER THE INTAKE ROCKER SHAFT, WHERE IT CAUSED THE VALVE PUSH ROD TO BEND.
Quoted verbatim from the NTSB record.
Other Cessna 180 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 26 Apr 1991 | Cessna 180 | Vernal, Utah, United States | Grant R. Wilson | No injuries | - |
| 19 May 1991 | Cessna 180 | Scottsbluff, Nebraska, United States | John K. Sorensen | No injuries | - |
| 26 May 1991 | Cessna 180 | Devils Lake, North Dakota, United States | Blosberg, John K. | No injuries | - |
| 10 May 1991 | Cessna 180 | Drewsey, Oregon, United States | Walter L. Sitz | Minor injuries | - |
| 16 Jun 1991 | Cessna 180 | Orr, Minnesota, United States | Bernick, Charles | No injuries | - |
| 13 Jun 1991 | Cessna 180 | Wausa, Nebraska, United States | Delmar/Clara Lemons | Serious injuries | - |
All 2,729 records for this type
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 16 Apr 1991 | Cessna 172H | Coeur D'alene, Idaho, United States | Charles S. Parnell | Serious injuries | - |
| 19 Apr 1991 | Luscombe 8A | Clark Fork, Idaho, United States | Paul F. Clock | No injuries | - |
| 14 May 1991 | Grumman G-164A | Lapwai, Idaho, United States | Schumacher Agri-Flite, Inc | Serious injuries | - |
| 2 Jun 1991 | Cessna C-182A | Buhl, Idaho, United States | Ivan A. Schroeder | No injuries | - |
| 1 Jul 1991 | Let L-13 | Driggs, Idaho, United States | James Ball & Eric Soyland | No injuries | - |
| 13 Jul 1991 | Cessna A188B | Burley, Idaho, United States | Richard Kennet | Minor injuries | - |