Corona Airport
Aircraft Accident/Incident Report

Corona, California 91720
Wednesday, March 15, 1989 17:30 PST

NTSB Narrative Summary Released at Completion of Accident

DURING A INSTRUCTIONAL FLIGHT, THE FLIGHT INSTRUCTOR DIRECTED THE STUDENT TO MAKE A NORMAL TAKEOFF. THE INSTRUCTOR WAS FOLLOWING THE STUDENT ON THE CONTROLS WHEN THE STUDENT SUDDENLY MOVED THE CYCLIC TO THE LEFT. THE HELICOPTER STARTED TO ROLL TO THE LEFT. THE INSTRUCTOR COULD NOT OVERPOWER THE STUDENT AND REGAIN CONTROL BEFORE THE HELICOPTER ROLLED OVER ON ITS LEFT SIDE. THERE WERE NO NOTED MECHANICAL FAILURES OR MALFUNCTIONS WITH THE HELICOPTER.

NTSB Probable Cause Narrative

IMPROPER OPERATION OF THE CYCLIC BY THE STUDENT PILOT, FAILURE OF THE STUDENT TO RELINQUISH CONTROL AND INADEQUATE SUPERVISION BY THE FLIGHT INSTRUCTOR.

Event Information

Type of Event Accident
Event Date 3/15/1989
Event Day of the Week Wednesday
Time of Event 1730
Event Time Zone Pacific Standard Time
Event City CORONA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 91720
Event Date Year 1989
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport CORONA
Event Location Nearest Airport ID L66
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 533
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) 19
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 270
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 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) 223
NTSB Notification Source --
NTSB Notification Date Mar 15 1989 12:00AM
NTSB Notification Time 1730
Fiche Number and/or location -used to find docket information 38541
Date of most recent change to record Dec 13 2000 12:32PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N131AT
NTSB Number LAX89LA125
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 BELL
Aircraft Model 206B
Aircraft Series Identifier 206B
Aircraft Serial Number 341
Certified Max Gross Weight 3200
Aircraft Category Helicopter
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 Annual
Date of Last Inspection Feb 13 1989 12:00AM
Airframe hours since last inspection 65
Airframe Hours 5765
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HISER HELICOPTERS INC.
Aircraft Owner Street Address 1969 AVIATION DR. #C
Aircraft Owner City CORONA
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 91720
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1630
Departure Time Zone PST
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 Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --