Aircraft Accident/Incident Report

Spring, Texas 77379
Monday, December 8, 2003 14:30 CST

NTSB Narrative Summary Released at Completion of Accident

The student pilot initiated a practice straight-in autorotation on a southerly heading, "at 700 feet agl, and 70 knots." The fight instructor stated that the "approach angle and decent grew quite steep very quickly." As the "rotor rpm decayed to approximately 95% at an approximate altitude of 200 feet agl, the fight instructor initiated a go-around by rolling on the throttle, lifting the collective, and applying forward pressure on the cyclic while maintaining 60 knots as the helicopter continued to descend." The fight instructor initiated a "hard flare to stop the rate of decent, but the decent was slowed, not stopped." The fight instructor leveled the helicopter, and executed a run-on landing at approximately 30 knots. Subsequently, the helicopter landed hard on soft terrain, rolled over, and came to rest on its left side. The fight instructor further reported that the left skid "hooked on an obstruction" prior to rolling over. Examination of the accident site revealed there were no obstructions or obstacles near the main wreckage. A ground scar was found at the point of initial impact consistent with the length of the skid and was approximately once inch deep.

NTSB Probable Cause Narrative

The CFI's delay in taking remedial action which resulted in a hard landing. An excessive descent rate was a contributing factor.

Event Information

Type of Event Accident
Event Date 12/8/2003
Event Day of the Week Monday
Time of Event 1430
Event Time Zone Central Standard Time
Event City Spring
Event State TEXAS
Event Country --
Zipcode of the event site 77379
Event Date Year 2003
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 300342N
Event Location Longitude 0953310W
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 Weather Observation Facility
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID DWH
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions Day
Lowest Ceiling Height 4800
Lowest Non-Ceiling Height 4800
Sky/Lowest/Cloud Conditions Thin Overcast
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 23
Dew Point at event time (in degress fahrenheit) 14
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 12
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 16
Altimeter Setting at event time (in. Hg) 29.84
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 15159
NTSB Notification Source FAA Operations Center
NTSB Notification Date Dec 8 2003 12:00AM
NTSB Notification Time 1545
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Mar 30 2004 8:14AM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office Houston FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N747LF
NTSB Number FTW04CA039
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion --
Aircraft Manufacturer's Full Name Robinson
Aircraft Model R22
Aircraft Series Identifier --
Aircraft Serial Number 2961
Certified Max Gross Weight --
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name Houston Helicopters Inc.
Aircraft Owner Street Address 19931 Stuebner Airline Road
Aircraft Owner City Spring
Aircraft Owner State TX
Aircraft Owner Country USA
Aircraft Owner Zipcode 77379
Operator is an individual? No
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? --
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 DWH
Departure City Spring
Departure State TX
Departure Country USA
Departure Time --
Departure Time Zone CST
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 Landing - flare/touchdown
Report sent to ICAO? No
Evacuation occurred Yes
Date of most recent change to record Jan 31 2004 1:09PM
User who most recently changed record CASH
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --