San Luis Obispo Airport
Aircraft Accident/Incident Report

San Luis Obispo, California 93401
Sunday, June 30, 1991 9:38 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT HAD MADE ONE LANDING AND TAKEOFF ON THE 4800 FT LONG AND 100 FT WIDE RUNWAY. WHEN ON THE DOWNWIND LEG THE SURFACE WINDS SHIFTED TO A QUARTERING TAILWIND. THE LOCAL CONTROLLER DID NOT ADVISE THE PILOT OF THE WIND CHANGE AND CLEARED THE FLIGHT TO LAND. UPON TOUCH DOWN THE AIRPLANE GROUND LOOPED AND NOSED OVER. THE PILOT IMPROPERLY USED THE FLIGHT CONTROLS AND BRAKES TO ARREST THE GROUND LOOP. EXAMINATION OF THE BRAKES AND TAILWHEEL ASSEMBLY DISCLOSED NO EVIDENCE OF ANY MALFUNCTIONS OR FAILURES.

NTSB Probable Cause Narrative

THAT THE PILOT FAILED TO PROPERLY COMPENSATE OF THE EXISTING QUARTERING TAILWIND, IMPROPERLY USING THE FLIGHT CONTROLS AND BRAKES.

Event Information

Type of Event Accident
Event Date 6/30/1991
Event Day of the Week Sunday
Time of Event 938
Event Time Zone Pacific Daylight Time
Event City SAN LUIS OBISPO
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93401
Event Date Year 1991
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport SAN LUIS OBISPO
Event Location Nearest Airport ID SBP
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 200
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 70
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 381
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 43667
Date of most recent change to record Dec 12 2000 10:22AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N68809
NTSB Number LAX91LA283
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 BOEING
Aircraft Model E75
Aircraft Series Identifier E75
Aircraft Serial Number 75-8414
Certified Max Gross Weight 2717
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection Jan 2 2000 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name STEPHEN L. TOBIN
Aircraft Owner Street Address 3195 MCMILLAN RD.
Aircraft Owner City SAN LUIS OBISPO
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 93401
Operator is an individual? --
Operator Name STEPHEN L. TOBIN
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 3195 MCMILLAN RD.
Operator City SAN LUIS OBISPO
Operator State CA
Operator Country
Operator Zip code 93401
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
Departure City
Departure State
Departure Country
Departure Time 900
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
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 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 29
Runway Length 4800
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --