Aircraft Accident/Incident Report

Mariental
Sunday, January 15, 2006 9:00 UTC

NTSB Narrative Summary Released at Completion of Accident

On January 15, 2006, about 0900 UTC, Namibian registry V5-HSL, a Robinson R22B helicopter, an instructional flight, collided with the ground near Mariental, Namibia. The instructor was fatally injured, and the student pilot received serious injuries. The helicopter was substantially damaged. The local flight originated from a private field. The helicopter owner reported that thet flight instructor was demonstrating autoroatation to the student pilot. According to the student pilot, he was instructed to switch off the governor while the instructor was lowering the collector full down. The helicopter starting vibrating, and the instructor corrected it. The rate of descent increased uncontrollably followed by the ground collision. The investigation is under the jurisdiction of the Republic of Namibia - Ministry of Works, Transport, and Communication - Windohek, Namibia. The US Accredited Representative is Dennis Jones, NTSB, Washington, D.C. (Tel. 202-314-6321)

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 1/15/2006
Event Day of the Week Sunday
Time of Event 900
Event Time Zone Coordinated Universal Time? Same as GMT
Event City Mariental
Event State --
Event Country --
Zipcode of the event site --
Event Date Year 2006
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source --
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions --
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling --
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) --
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 2
Investigating Agency Foreign
NTSB Docket Number (internal use) --
NTSB Notification Source Republic of Namibia Ministry o
NTSB Notification Date Jan 17 2006 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jan 20 2006 4:50AM
User who most recently changed record JOND
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number --
NTSB Number WAS06WA006
Missing Aircraft Indicator --
Federal Aviation Reg. Part Non-U.S., Non-Commercial
Type of Flight Plan filed --
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire --
Aircraft Explosion --
Aircraft Manufacturer's Full Name Robinson
Aircraft Model R22
Aircraft Series Identifier --
Aircraft Serial Number --
Certified Max Gross Weight --
Aircraft Category Helicopter
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft --
Number of Engines --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed --
ELT Activated --
ELT Aided Location of Event Site --
ELT Type --
Aircraft Owner Name --
Aircraft Owner Street Address --
Aircraft Owner City --
Aircraft Owner State --
Aircraft Owner Country --
Aircraft Owner Zipcode --
Operator is an individual? --
Operator Name --
Operator Same as Owner? --
Operator Is Doing Business As --
Operator Address Same as Owner? --
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? --
Certified for Part 133 or 137 Operation --
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 --
Departure Point Same as Event Yes
Departure Airport Code --
Departure City Mariental
Departure State --
Departure Country WA
Departure Time --
Departure Time Zone UTC
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 20 2006 4:50AM
User who most recently changed record JOND
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --