# NTSB LAX86FA248: Beech V35B, N4457W, Del Rey Oaks, CA, June 9, 1986

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: June 8, 1986, 17:45 local (Jun 9, 1986, 00:45 UTC)
- Place: Del Rey Oaks, CA
- Coordinates: 36.600891, -121.880104 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.6009&lon=-121.8801&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 minor; on the ground: 1 minor
- Status: Completed, report January 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 24920
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86FA248
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24920/pdf
- Page: https://openairdocs.org/ntsb/LAX86FA248

## Sequence of events

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

- Loss of control - in flight, approach - vfr pattern - base leg/base to final
  - incapacitation(cardiovascular), pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

APPROACHING THE DESTINATION ARPT THE PLT INFORMED ATC THAT HE DID NOT FEEL WELL AND DESIRED TO LAND 'AS QUICKLY AS POSSIBLE.' THE PLT WAS CLEARED TO LAND. WHILE ON A RIGHT BASE LEG THE ACFT PITCHED 45 DEGREES NOSE DOWN, AND COLLIDED WITH TERRAIN AND A RESIDENCE 1600 FT FROM THE RWY. ONE PERSON INSIDE THE RESIDENCE RECEIVED MINOR INJURIES. THE PATHOLOGICAL EXAM REVEALED THE PLT HAD AN ADVANCED STAGE OF GENERALIZED ATHEROSCLEROSIS. SOME CORONARY ARTERIES WERE 95 PERCENT OCCLUDED. THE PLT REPORTED HAVING 6,200 HRS OF FLT TIME ON A 1981 MEDICAL CERTIFICATE APPLICATION AND REPORTED 2,500 HRS ON A 1983 APPLICATION.

## Aircraft

- Registration: [N4457W](https://openairdocs.org/deregistered/N4457W-1988-08-24), registration cancelled 1988-08-24, S/N D9643 (OpenAirDocs)
- Reported make and model: BEECH V35B
- Registry model: [Beech V35B](https://openairdocs.org/model/beech-v35b) (registry code 1151548) (OpenAirDocs)
- Category: Airplane
- Serial number: D9643
- Engines: CONTINENTAL IO-520-BB10B 285 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Operator: June & Frank M. Duran
- Registered owner: Frank & June Duran
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, March 6, 1986
- Departed: OAK, OAKLAND, CA
- Destination: MRY, MONTEREY, CA
- Airport: MRY, Monterey, runway 24, 4,001 × 150 ft

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 75; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; toxicology performed

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 8 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 64 °F, dew point 59 °F
- Altimeter: 29.00 inHg
- Observed at: MRY, 1 nm away

## 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 19860608029529A](https://openairdocs.org/incident/19860608029529A), Jun 8, 1986: Beech V35B, Monterey, CA, Destroyed. Crashed into the yard of a home on approach to airport. Post fire destroyed home and plane. Suspect heart attack.

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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