Rio Vista Municipal Airport
Aircraft Accident/Incident Report

Rio Vista, California 94571
Friday, September 27, 1991 15:15 PDT

NTSB Narrative Summary Released at Completion of Accident

ACCORDING TO THE CHIEF FLIGHT INSTRUCTOR, THE STUDENT WAS ON HIS FIRST SOLO FLIGHT. HE SAID THAT ON ATTEMPTING TO 'PICK-UP' THE HELICOPTER, THE STUDENT PILOT DID NOT 'ZERO' THE CONTROLS DURING THE ATTEMPTED TAKEOFF TO A HOVER. THE HELICOPTER REPORTEDLY SPUN TO THE RIGHT, A SKID CONTACTED THE GROUND, AND THE HELICOPTER ENTERED DYNAMIC ROLL OVER.

NTSB Probable Cause Narrative

THE STUDENT PILOT'S IMPROPER USE OF THE FLIGHT CONTROLS.

Event Information

Type of Event Accident
Event Date 9/27/1991
Event Day of the Week Friday
Time of Event 1515
Event Time Zone Pacific Daylight Time
Event City RIO VISTA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 94571
Event Date Year 1991
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport RIO VISTA MUNICIPAL
Event Location Nearest Airport ID 088
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 45
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) 25
Air Temperature at event time (in degrees celsius) 24
Dew Point at event time (in degress fahrenheit) 13
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 8
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 Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2140
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45781
Date of most recent change to record Dec 12 2000 10:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8069Q
NTSB Number LAX91LA411
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name ROBINSON
Aircraft Model R-22B
Aircraft Series Identifier R-22B
Aircraft Serial Number 1284
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 Sep 16 1991 12:00AM
Airframe hours since last inspection 50
Airframe Hours 1350
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name DARYL PRIDMORE
Aircraft Owner Street Address 1995 CAMPELL VALLEY ROAD
Aircraft Owner City NAPA
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94558
Operator is an individual? --
Operator Name
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 91 JOHN GLEN DRIVE
Operator City CONCORD
Operator State CA
Operator Country
Operator Zip code 94520
Operator Code HIAV
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) Instructional
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1515
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 10:35AM
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 --