LAX89FA319

NTSB accident investigation · Cessna 310K · Ojai, CA · September 19, 1989

Accident · FatalField investigationFinal report
Date
September 19, 1989, 12:25 local (19:25 UTC)
Place
Ojai, CA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N6958LCessna 310K
Weather
Instrument (IMC) · Day
Status
Completed · report October 7, 1992
Report
Approved by Office Director
FAA report
19890919035919A
Case key
26254

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot-in-command's intentional VFR flight into instrument meteorological weather conditions, and his failure to maintain adequate altitude to provide terrain clearance. Contributing factors were: the mountainous terrain, adverse weather conditions, and the second pilot's possible reduced vision due to his vision problem and medication.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight encounter with weatherCruise
Weather condition - low ceilingFactor
Weather condition - rainFactor
Vfr flight into imc - intentionalPilot in commandCause
In flight collision with terrain/waterCruise
Terrain condition - mountainous/hillyFactor
Altitude - inadequatePilot in commandCause
Physical impairment(visual deficiency)Copilot/second pilotFactor

Analysis

Prior to departure the pilot received an abbreviated wx briefing in person from the reno fss, and was given the adverse wx conditions & current wx for his planned route of flight. He was also advised that VFR flight was not recommended. The airplane was later observed flying over a highway at low altitude; which the witnesses defined as not high enough to clear a mountain ridge. The top of the ridge line was obscured, & the airplane was in & out of the bottom of the clouds. There were also rainshowers in the area. The right seat pilot also held an ATP certificate. He was being treated for glaucoma & was taking the prescription drug isopto carpine (pilocarpine). The danger of adverse reactions or side effects of the drug increases with the use of alcohol. These effects include reduced visual acuity. The right seat pilot was with a group that reported had a few cocktails the night before the accident.

Aircraft

Registration
N6958L
Reported as
Cessna 310K
Category
Airplane
Serial number
310K0058
Airframe hours
3,950
Engine
Continental IO-470V, 260 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Amair Co.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 10, 1989 · 130 hours before
Departed
RNO · Reno, NV
Destination
TOR · Torrance, CA

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
64
Certificates
Airline transport, Commercial
Airplane ratings
Single-engine sea, Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
23,950 total · 2 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Lowest ceiling
3,000 ft broken

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N6958L · 1

Matched to the same aircraft by N-number and date.