Republic RC-3 N6248K
2 February 2007 · Julian, California, United States · No injuries
Summary
On 2 February 2007 at about 19:30 local time, a Republic RC-3 registered N6248K was involved in an accident near Julian, California, United States. 2 people were 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 19:30
- Classification
- Accident
- Location
- Julian, California, United States
- Coordinates
- 33.0667, -116.6333
- Aircraft
- Republic RC-3
- Registration
- N6248K
- Category
- Airplane
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- El Cajon → Blythe
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX07LA078
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
The failure of the propeller to crankshaft attachment bolts due to fatigue. A contributing factor was the improper installation of the propeller assembly by maintenance personnel.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
During cruise flight, the propeller assembly departed from the crankshaft flange and fell from the airplane. The pilot executed a forced landing to an open field. The recently overhauled propeller assembly had been installed on the engine for approximately 8 hours prior to the separation. Examination of the airframe revealed the six propeller to crankshaft attachment bolts were fractured, and all failed as a result of fatigue cracking. No chemical composition or other material deficiencies were found on the bolts. Bolt fatigue is most commonly the result of insufficient preload from under torquing the fastener, or improper installation, or from the loss of preload during service. The equal amounts of fatigue on all six bolts suggested that all bolts were equally affected.
Quoted verbatim from the NTSB record.
Other Republic RC-3 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 1 Jul 2009 | Republic RC-3 | Burley, Idaho, United States | Ken Paulsen | Serious injuries | - |
| 14 May 2005 | Republic RC-3 | Geyserville, California, United States | - | Minor injuries | - |
| 21 Jul 2012 | Republic RC-3 | Snohomish, Washington, United States | John Harms | Serious injuries | - |
| 15 Sep 2012 | Republic RC-3 | Cedar Bluff, Alabama, United States | - | Fatal | 1 |
| 23 Mar 2001 | Republic RC-3 | Carr Inlet, Washington, United States | - | No injuries | - |
| 12 Aug 2001 | Republic RC-3 | Chimacum, Washington, United States | Richardson, Gordon P. | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 1 Jun 2007 | Piper PA-28-180 | Rosamond, California, United States | - | No injuries | - |
| 5 Jul 2007 | Schempp-Hirth VENTUS-2C | Bridgeport, California, United States | - | Minor injuries | - |
| 22 May 2007 | Schweizer SGS2-33A | Los Alamitos, California, United States | Civil Air Patrol - California Wing | No injuries | - |
| 25 May 2007 | Westland WASP HAS MK1 | Ramona, California, United States | - | Minor injuries | - |
| 8 Jul 2007 | Cessna 152 | Tracy, California, United States | California Airways | Minor injuries | - |
| 25 May 2007 | Skygear SKYGEAR | Chino, California, United States | - | Fatal | 1 |