ASN Wikibase Occurrence # 216598
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| Date: | Tuesday 23 October 2018 |
| Time: | 13:44 |
| Type: |  North American SNJ-5 Texan |
| Owner/operator: | Condor Squadron Officers |
| Registration: | N7969C |
| MSN: | 43974 |
| Year of manufacture: | 1958 |
| Total airframe hrs: | 6841 hours |
| Engine model: | Pratt & Whitney R1340 AN1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Agoura Hills, Los Angeles County, California -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Los Angeles-Van Nuys Airport, CA (VNY/KVNY) |
| Los Angeles-Van Nuys Airport, CA (VNY/KVNY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, shortly after departure, he heard two loud bangs followed by total loss of engine power. The pilot performed a forced landing to a highway, during which the airplane swerved to the left, the left wing impacted a concrete center divider, and a postimpact fire ensued.
Initial examination of the engine found that the No. 2 cylinder was cracked, and the No. 1 cylinder and the base between the Nos. 4 and 5 cylinders displayed damage. Disassembly of the engine revealed the piston-end master rod piece from the No. 5 cylinder fractured through the I-beam shaft. Microscopic examination of the fracture surface showed evidence of fatigue. The initiation point of the fatigue fracture was damaged due to mechanical contact during the failure sequence.
The accident is consistent with a total loss of engine power following the failure of the No. 5 master rod end. The initiating point and cause of the fatigue failure could not be identified based on the available evidence.
Probable Cause: The failure of the No. 5 piston rod end due to fatigue, which resulted in a total loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB WPR19LA014
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=7969C
Location
Media:
Saw a plane crash on the freeway 😨😅#crash #101freeway #planecrash #agourahills pic.twitter.com/ko2WQ2zjoG
— Cathy Nguyen (@cb_otg) 23 oktober 2018
Video from Sky5 shows the fiery scene of a plane crash on the 101 Freeway in Agoura Hills. The pilot was reported uninjured. tp://on.ktla.com/uqAE7 pic.twitter.com/YbXBXizwfn
— KTLA (@KTLA) October 23, 2018
LATEST: Vintage plane erupts in flames after crash-landing onto the 101 Freeway in Southern California.
— ABC News (@ABC) October 24, 2018
No vehicles were involved in the crash and no injuries were reported, authorities say. https://t.co/lJCJf5qXBD pic.twitter.com/Tb7KpfD6Rt
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Oct-2018 21:53 | Geno | Added |
| 24-Oct-2018 00:04 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source] |
| 24-Oct-2018 06:45 | harro | Updated [Embed code] |
| 24-Oct-2018 07:21 | Aerossurance | Updated [Embed code, Damage, Narrative] |
| 24-Oct-2018 07:22 | Aerossurance | Updated [Time, Location, Embed code] |
| 24-Oct-2018 07:24 | Aerossurance | Updated [Embed code, Narrative] |
| 24-Oct-2018 08:47 | A.J. Scholten | Updated [Cn, Source] |
| 09-Sep-2019 16:00 | Iceman 29 | Updated [Phase, Nature, Departure airport, Destination airport, Source, Embed code, Narrative] |
| 26-Jul-2020 16:39 | aaronwk | Updated [Source] |
| 08-Jul-2022 19:01 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Departure airport, Destination airport, Source, Embed code, Narrative, Category, Accident report] |
| 06-May-2023 08:01 | Nepa | Updated [[Time, Cn, Operator, Other fatalities, Departure airport, Destination airport, Source, Embed code, Narrative, Category, Accident report]] |
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