Petaluma Muni Airport
Aircraft Accident/Incident Report

Petaluma, California 94952
Friday, October 21, 1988 20:11 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT TOLD HIS BROTHER THAT HE WAS GOING TO PRACTICE NIGHT TAKEOFFS & LANDINGS. SHORTLY AFTER TAKEOFF, THE ACFT CRASHED IN A STEEP NOSE DOWN, RIGHT WING LOW ATTITUDE. IMPACT OCCURRED ABOUT 1/2 MI NORTHWEST OF THE ARPT. NO PRE- IMPACT PART FAILURE OR MALFUNCTION OF THE ACFT WAS FOUND. WITNESSES RPRTD THE WX WAS FOGGY WITH A LOW CEILING. ONE WITNESS ESTIMATED A 200 TO 300 FT CEILING WITH 1/4 MI VISIBILITY. ANOTHER WITNESS RPRTD THE VISIBILITY WAS LESS THAN 1/2 MI. APRX 20 MI NORTHWEST AT SANTA ROSA, THE 1945 PDT WX WAS IN PART: 2500 FT SCATTERED, VISIBILITY 10 MI. THE THE NON-INSTRUMENT PLT HAD ONLY ABOUT 2 HRS OF SIMULATED INSTRUMENT FLT TIME.

NTSB Probable Cause Narrative

PILOT USED POOR JUDGEMENT WHEN HE ATTEMPTED V.F.R. FLIGHT DURING INSTRUMENT METEOROLOGICAL CONDITIONS AND THAT HE ENCOUNTERED SPATIAL DISORIENTATION WHEN HE ENTERED INTO THE CLOUDS.

Event Information

Type of Event Accident
Event Date 10/21/1988
Event Day of the Week Friday
Time of Event 2011
Event Time Zone Pacific Daylight Time
Event City PETALUMA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 94952
Event Date Year 1988
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport PETALUMA MUNI
Event Location Nearest Airport ID 069
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 79
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Night/Dark
Lowest Ceiling Height 300
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Obscured
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 1
Air Temperature at event time (in degrees celsius) 16
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 280
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2282
NTSB Notification Source --
NTSB Notification Date Oct 21 1988 12:00AM
NTSB Notification Time 2105
Fiche Number and/or location -used to find docket information 40166
Date of most recent change to record Dec 13 2000 12:13PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9372E
NTSB Number LAX89FA022
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 172N
Aircraft Series Identifier 172N
Aircraft Serial Number 17272241
Certified Max Gross Weight 2300
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Sep 7 1988 12:00AM
Airframe hours since last inspection 52
Airframe Hours 3490
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SLINGLAND, E.R. & SHEELEYS
Aircraft Owner Street Address 4370 GLORIA CT
Aircraft Owner City ROHNERT PARK
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94928
Operator is an individual? --
Operator Name AEROVENTURE CLUBS, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 2210 E. WASHINGTON
Operator City PETALUMA
Operator State CA
Operator Country
Operator Zip code 94952
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code O69
Departure City
Departure State
Departure Country
Departure Time 2011
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code O69
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 29
Runway Length 3600
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --