# NTSB LAX85LA378: Stinson 108-2, N9782K, Carpinteria, CA, September 1, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 1, 1985, 10:21 local (17:21 UTC)
- Place: Carpinteria, CA
- Coordinates: 34.430416, -119.519348 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.4304&lon=-119.5193&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24824
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX85LA378
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24824/pdf
- Page: https://openairdocs.org/ntsb/LAX85LA378

## 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
  - accessory drive assy - failure,total (contributing factor)
  - reason for occurrence undetermined (cause)
- Forced landing, descent
- Hard landing, landing - flare/touchdown
  - flare - misjudged, pilot in command (cause)
  - stall - inadvertent, pilot in command (cause)

## Analysis

DURING A X-C PLEASURE FLT ALL ENG PWR WAS SUDDENLY LOST WHEN THE PLT HEARD A 'LOUD BANG.' THE PLT MADE AN EMERGENCY LDG ON A POLO FIELD. DURING LDG FLARE THE PLT STALLED THE ACFT. THE RESULTING HARD TOUCHDOWN SUBSTANTIALLY DAMAGED THE ACFT. EXAM OF THE ACFT'S FRANKLIN ENG REVEALED A HOLE IN THE ENGINE'S ACCESSORY CASE. THE ENGINE'S CRANKSHAFT GEAR WAS MISSING. THE FAILURE OF THIS GEAR CONTRIBUTED TO CAUSING OTHER INTERNAL DAMAGE. IT IS UNKNOWN WHETHER THE CRANKSHAFT GEAR WAS THE PRIMARY COMPONENT TO FAIL. THE ENG HAD ACCUMULATED 2620 TOTAL HRS & 520 SMOH.

## Aircraft

- Registration: [N9782K](https://openairdocs.org/deregistered/N9782K-1989-08-11), registration cancelled 1989-08-11, S/N 1082782 (OpenAirDocs)
- Reported make and model: STINSON 108-2
- Registry model: [Stinson 108-2](https://openairdocs.org/model/stinson-108-2) (registry code 9230406) (OpenAirDocs)
- Category: Airplane
- Serial number: 108-2782
- Airframe hours: 2620
- Engines: FRANKLIN 6A4165-B3 165 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Patrick D. Woodruff
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 14, 1985, 3 hours before
- Departed: L12, REDLANDS, CA
- Destination: SBA, SANTA BARBARA, CA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 34; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 390 total, 23 in this make and model, 242 as pilot in command, 2 in the last 90 days, 2 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 75 °F

## 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 19850901042439A](https://openairdocs.org/incident/19850901042439A), Sep 1, 1985: Univar 1082, Carpinteria, CA, Substantial damage. Loud bank. Lost power. Stall landed in polo field. Hole in gear box. Crankshaft accessory gear missing.

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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