Whiteman Airport
Aircraft Accident/Incident Report

Pacoima, California 91331
Tuesady, May 25, 1993 19:20 PDT

NTSB Narrative Summary Released at Completion of Accident

THE STUDENT PILOT REPORTED THAT THE ENGINE RPM WAS GETTING HIGH DURING AERIAL TAXI. WITNESSES OBSERVED THE HELICOPTER SWINGING AND YAWING DOWN THE TAXIWAY. THE STUDENT UNSUCCESSFULLY ATTEMPTED TO PUT THE HELICOPTER INTO FORWARD FLIGHT BEFORE THE TAIL ROTOR STRUCK THE GROUND. THE STUDENT PILOT DOES NOT RECALL USING THE RUDDER TO ARREST THE YAW.

NTSB Probable Cause Narrative

THE STUDENT PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL, HIS IMPROPER USE OF THE THROTTLE AND ANTITORGUE PEDALS. A FACTOR RELATED TO THIS ACCIDENT WAS THE STUDENT'S LACK OF TOTAL EXPERIENCE.

Event Information

Type of Event Accident
Event Date 5/25/1993
Event Day of the Week Tuesday
Time of Event 1920
Event Time Zone Pacific Daylight Time
Event City PACOIMA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 91331
Event Date Year 1993
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WHITEMAN AIRPORT
Event Location Nearest Airport ID WHP
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 1004
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) 15
Air Temperature at event time (in degrees celsius) 22
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 0
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 869
NTSB Notification Source --
NTSB Notification Date May 25 1993 12:00AM
NTSB Notification Time 2005
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:19PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2312N
NTSB Number LAX93LA224
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 ROBINSON
Aircraft Model R-22
Aircraft Series Identifier R-22
Aircraft Serial Number 2018
Certified Max Gross Weight 1370
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection May 17 1993 12:00AM
Airframe hours since last inspection 14
Airframe Hours 1112
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name MARVIN RUSH
Aircraft Owner Street Address 7919 GLENTIES LN.
Aircraft Owner City SUNLAND
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 91040
Operator is an individual? --
Operator Name WATSON HELICOPTERS
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 12653 OSBORNE AVENUE
Operator City PACOIMA
Operator State CA
Operator Country
Operator Zip code 91331
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 No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1920
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 Takeoff
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --