Sonoma Skypark Airport
Aircraft Accident/Incident Report

Sonoma, California 95476
Monday, May 30, 1994 14:10 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT REPORTED THAT ON FINAL APPROACH HE EXPERIENCED TURBULENCE. THE AIRPLANE TOUCHED DOWN LONG, AND THE PILOT STATED THAT HE INITIALLY ATTEMPTED TO GO-AROUND. THE PILOT FURTHER REPORTED THAT DURING ROLLOUT HE CHANGED HIS MIND AND ATTEMPTED TO STOP. THE AIRPLANE OVERRAN THE DEPARTURE END OF THE RUNWAY AND COLLIDED WITH TREES. THE RUNWAY IS 2,340 FEET LONG AND ITS THRESHOLD IS DISPLACED BY 237 FEET. THE PILOT DID NOT REPORT HIS RECENT FLYING EXPERIENCE OR CURRENCY. ON A MEDICAL CERTIFICATE APPLICATION 8 MONTHS PRIOR TO THE ACCIDENT, THE PILOT REPORTED HE HAD 100 HOURS OF FLYING EXPERIENCE.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO ATTAIN THE PROPER TOUCHDOWN POINT AND HIS FAILURE TO INITIATE A GO-AROUND.

Event Information

Type of Event Accident
Event Date 5/30/1994
Event Day of the Week Monday
Time of Event 1410
Event Time Zone Pacific Daylight Time
Event City SONOMA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95476
Event Date Year 1994
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SONOMA SKYPARK
Event Location Nearest Airport ID 0Q9
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 20
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 Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 18000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 781
NTSB Notification Source --
NTSB Notification Date May 30 1994 12:00AM
NTSB Notification Time 1505
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 11:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N44630
NTSB Number LAX94LA228
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-28-151
Aircraft Series Identifier PA-28-151
Aircraft Serial Number 28-7415688
Certified Max Gross Weight 2325
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name REUBEN J. CHANG
Aircraft Owner Street Address 3770 ACAPULCO DRIVE
Aircraft Owner City CAMPBELL
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 95008
Operator is an individual? --
Operator Name TRADEWIND AVIATION
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1144 COLEMEN AVENUE
Operator City SAN JOSE
Operator State CA
Operator Country
Operator Zip code 95110
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 No
Departure Airport Code 048
Departure City LITTLE RIVER
Departure State CA
Departure Country
Departure Time 1300
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 26
Runway Length 2340
Runway Width 30
Sight Seeing flight No
Air Medical Flight No
Medical Flight --