LAX86FA003

NTSB accident investigation · Gulfstream AA-5B · Orinda, CA · October 6, 1985

Accident · FatalField investigationFinal report
Date
October 6, 1985, 15:15 local (22:15 UTC)
Place
Orinda, CA
Injuries
3 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N45293Gulfstream AA-5B
Weather
Instrument (IMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19851006073799A
Case key
24871

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

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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 - fogFactor
Preflight planning/preparation - inadequatePilot in commandFactor
In-flight planning/decision - improperPilot in commandFactor
Lack of total instrument timePilot in commandFactor
Vfr flight into imc - attemptedPilot in commandCause
In flight collision with terrain/waterCruise
Proper altitude - not maintainedPilot in commandCause

Analysis

The acft collided with rising terrain on a southerly heading. A VFR flt plan was filed. A witness near the accident site reported low ceilings and a forward ground visibility of 50 ft. aprx 15 minutes prior to the accident the acft was seen flying southeast of the accident site on a southwesterly heading at an alt of aprx 200 to 500 ft AGL. Shortly thereafter, the same witness observed the acft traveling northbound through the same area. Several other witnesses reported seeing the acft flying along hwy 24 at low altitudes.

Aircraft

Registration
N45293
Reported as
Gulfstream AA-5B
Category
Airplane
Serial number
AA5B1151
Airframe hours
1,712
Engine
Lycoming O-360-A4K, 180 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Trans Bay Airways
Registered owner
Kenney,Lawrence & C.Russell
Airworthiness certificate
Standard, Utility; Standard, Normal
Last inspection
100 hour · September 12, 1985 · 32 hours before
Departed
RBL · Red Bluff, CA
Destination
SQL · San Carlos, CA
Flight plan
VFR

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
34
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
225 total · 60 in this make and model · 6 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
260° at 10 knots
Lowest ceiling
50 ft
Temperature
63 °F, dew point 61 °F
Altimeter
29.00 inHg
Observed at
OAK, 9 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.