Helipad, Marble Falls, Texas Airport
Aircraft Accident/Incident Report

Marble Falls, Texas 78654
Saturday, October 22, 2005 14:32 CDT

NTSB Narrative Summary Released at Completion of Accident

The 6,900-hour commercial helicopter pilot was returning to his home base helipad after a public relations static display mission at a nearby airport. The flight included a planned fuel stop at an intermediate airport on the way back to home base. During the approach, while the helicopter was approximately 100 feet above ground level (AGL), the pilot reported in the Pilot Operator Aircraft Accident Report (NTSB Form 6120.1/2) that available engine power continued to decrease while he maintained a constant pitch setting on the approach. The pilot initiated the immediate action steps of the emergency procedures for a loss of engine power by confirming that the throttle was in the full-open position while lowering the collective to initiate an autorotation. The pilot was forced to increase collective pitch to avoid power lines which resulted in a decay of rotor RPM to 90 percent available for the landing. The aircraft touched down tail low while in a decelerating flare and the tail stinger contacted the ground first. As additional collective pitch was applied to cushion the landing, the pilot leveled the aircraft and landed upright on the intended helipad. The pilot and his two passengers were uninjured and the helicopter sustained structural damage. The engine was removed from the helicopter and shipped to the factory for examination and test run. An FAA inspector from provided on-site assistance to insure the engine was properly crated and shipped to the factory. The engine evaluation and test run was performed on November 9, 2005, under the supervision of an FAA inspector. A written statement provided by the inspector stated that no discrepancies were noted during all phases of the engine run and that the engine produced above rated power at take off power setting. The reason for the reported loss of engine power could not be determined.

NTSB Probable Cause Narrative

A hard landing as result of a loss of engine power for undetermined reasons.

Event Information

Type of Event Accident
Event Date 10/22/2005
Event Day of the Week Saturday
Time of Event 1432
Event Time Zone Central Daylight Time
Event City Marble Falls
Event State TEXAS
Event Country --
Zipcode of the event site 78654
Event Date Year 2005
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 305841N
Event Location Longitude 0982718W
Event Location Airport Helipad, Marble Falls, Texas
Event Location Nearest Airport ID AE49
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport --
Airport Elevation 775
Weather Briefing Completeness --
Investigator's weather source Pilot
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 Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 6
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 5
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29.93
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 3
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 19169
NTSB Notification Source ROC
NTSB Notification Date Oct 22 2005 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Feb 28 2006 12:35PM
User who most recently changed record NTSB\JOHB
Basic weather conditions Visual Meteorological Cond
FAA District Office San Antonio FSDO

Aircraft Involved

Aircraft #1

Aircraft Registration Number N941SL
NTSB Number DFW06CA011
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Company VFR
Flight plan Was Activated? Yes
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Bell
Aircraft Model B206 L-3
Aircraft Series Identifier --
Aircraft Serial Number 51331
Certified Max Gross Weight 4150
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 6
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Oct 1 2005 12:00AM
Airframe hours since last inspection 6.5
Airframe Hours 4947.5
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Air Evac Leasing Corp
Aircraft Owner Street Address 306 Davis Drive
Aircraft Owner City West Plains
Aircraft Owner State MO
Aircraft Owner Country USA
Aircraft Owner Zipcode 65775
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 --
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) Other Work Use
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code KBMQ
Departure City Burnet
Departure State TX
Departure Country USA
Departure Time 1423
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code AE49
Destination City Marble Falls
Destination State TX
Destination Country USA
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Nov 30 2005 6:35PM
User who most recently changed record CASH
Since inspection or accident Time of Accident
Event Location Runway Number and Location NA
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --