# NTSB LAX86LA068: Piper PA-24-250, N6740P, Canoga Park, CA, December 18, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: December 17, 1985, 16:46 local (Dec 18, 1985, 00:46 UTC)
- Place: Canoga Park, CA
- Coordinates: 34.200874, -118.689559 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.2009&lon=-118.6896&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 25039
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86LA068
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25039/pdf
- Page: https://openairdocs.org/ntsb/LAX86LA068

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - maintenance - improper, pilot in command (cause)
  - maintenance,inspection - inadequate, pilot in command (cause)
  - lubricating system,oil hose - cracked (contributing factor)
  - maintenance,replacement - not performed, pilot in command (contributing factor)
  - lubricating system,oil hose - previous damage
  - lubricating system,oil hose - failure,total
  - fluid,oil - loss,total (contributing factor)
- Forced landing, descent - emergency
- In flight collision with object, approach
  - object - wire,transmission
  - object - fence

## Analysis

WHILE THE PLT WAS CRUISIN IN HIS OWN ACFT, AN ENG OIL LEAK DEVELOPED, OIL PRESSURE DECREASED & ENG POWER WAS LOST, THE PLT ATTEMPTED TO MAKE AN EMERGENCY LDG ON A CITY STREET, ON APPROACH THE ACFT COLLIDED WITH POWER LINES & A FENCE, & THE ACFT CAME TO REST UPSIDE DOWN, EXAM OF THE PARTIALLY OIL COVERED ENG REVEALED THAT AN OIL FLEX HOSE TO THE OIL COOLER HAD BEEN PREVIOUSLY WRAPPED WITH A METALLIC-LIKE TAPE. THE HOSE, WHICH WAS OIL-COVERED, HAD A BRITTLE/CRUMBLY APPEARING CORE.

## Aircraft

- Registration: [N6740P](https://openairdocs.org/deregistered/N6740P-2013-05-01), registration cancelled 2013-05-01, S/N 24-1868, built 1960 (OpenAirDocs)
- Reported make and model: PIPER PA-24-250
- Registry model: [Piper PA-24-250](https://openairdocs.org/model/piper-pa-24-250) (registry code 7102404) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 24-1868
- Airframe hours: 4800
- Engines: LYCOMING O-540-A185 250 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Richard Cabrinha
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 17, 1985
- Departed: CMA, CAMARILLO, CA
- Destination: L16, HUNTINGTON, CA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; commercial; airplane ratings: single-engine land; medical: class 2, expired; seat: left; flight hours: 760 total, 410 in this make and model, 660 as pilot in command, 30 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 340° at 10 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 68 °F
- Altimeter: 30.00 inHg

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19851217062689A](https://openairdocs.org/incident/19851217062689A), Dec 17, 1985: Piper PA24250, Canoga Park, CA, Substantial damage. Engine siezed due to oil loss. Hit power lines, then fell to the street on landing. Tape used to repair oil hose.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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