Rialto Airport
Aircraft Accident/Incident Report

Rialto, California 92376
Saturday, June 2, 1990 13:45 PDT

NTSB Narrative Summary Released at Completion of Accident

A CESSNA 152II LOST CONTROL AND COLLIDED WITH TERRAIN DURING TAKEOFF. ACCORDING TO WITNESSES THE AIRPLANE ENCOUNTERED THE WAKE VORTICES OF A HOVERING BELL HELICOPTER 412 IMMEDIATELY BEFORE THE LOSS OF CONTROL. THE PILOT IN COMMAND INDICATED IN HIS CREWMEMBER STATEMENT, THAT HE WAS ON THE INITIAL TAKEOFF CLIMB WHEN HE SAW THE HELICOPTER HOVERING PARALLEL TO THE TAXIWAY. THE AIRPLANE THEN ENCOUNTERED THE HELICOPTER'S ROTORWASH. THE PILOT DID NOT INDICATE IN HIS STATEMENT THAT HE TOOK ANY EVASIVE ACTIONS ONCE HE SAW THE HELICOPTER.

NTSB Probable Cause Narrative

PILOT'S INADEQUATE VISUAL OUTLOOK WHICH RESULTED IN AN INFLIGHT ENCOUNTER WITH WAKE TURBULENCE PRODUCED BY A HOVERING HELICOPTER.

Event Information

Type of Event Accident
Event Date 6/2/1990
Event Day of the Week Saturday
Time of Event 1345
Event Time Zone Pacific Daylight Time
Event City RIALTO
Event State CALIFORNIA
Event Country --
Zipcode of the event site 92376
Event Date Year 1990
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport RIALTO
Event Location Nearest Airport ID L67
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 1435
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1258 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 95
Weather Observation Facility ID SBD
Elevation of weather observation facility 1157
Distance of event from weather observation facility (units?) 8
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 20000
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) 25
Air Temperature at event time (in degrees celsius) 34
Dew Point at event time (in degress fahrenheit) 7
Wind Direction (degrees magnetic) 290
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
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 Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1054
NTSB Notification Source --
NTSB Notification Date Jun 2 1990 12:00AM
NTSB Notification Time 1545
Fiche Number and/or location -used to find docket information 42273
Date of most recent change to record Dec 12 2000 5:03PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N49796
NTSB Number LAX90LA205
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 CESSNA
Aircraft Model 152 II
Aircraft Series Identifier 152 II
Aircraft Serial Number 81320
Certified Max Gross Weight 1650
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 100 Hour
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name C.A.R.I. AVIATION
Aircraft Owner Street Address 1554 N. LINDEN AVE.
Aircraft Owner City RIALTO
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92376
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 Yes - certificate holder
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 1345
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code L66
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 24
Runway Length 4500
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --