Aircraft Accident/Incident Report

Tallahassee, Florida 32310
Wednesday, July 4, 2012 3:40 EDT

NTSB Narrative Summary Released at Completion of Accident

The pilot was operating the helicopter in night visual meteorological conditions in the early morning hours, after having driven about 6 hours and then flown about 3.5 hours immediately before the accident flight. He stated that he was in cruise flight about 600-800 feet above ground level and had been flying less than 10 minutes when, while turning over a lake, the pilot saw the clutch actuator light illuminate. The pilot reached for the circuit breaker box under the passenger seat to pull the clutch circuit breaker, and then felt "light in the seat." He stated that the helicopter was rapidly descending, and he pulled up on the collective to arrest the descent. After pulling on the collective, he received a low rotor rpm horn and then observed the surface of the lake reflecting the moonlight about 50 feet below the helicopter, as it continued to descend. The pilot pulled on the collective to soften the impact, and the helicopter came to rest in the lake. The pilot then egressed and swam to shore. Postaccident examination revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation. Operational testing of the clutch actuator revealed no anomalies. The reason for the illumination of the clutch actuator light could not be determined. It is likely that, while reaching down in an attempt to pull the clutch circuit breaker, with a lack of outside visual references due to the night conditions and the helicopter’s location over a lake, the pilot made an inadvertent cyclic input that resulted in the helicopter’s nose-down attitude and subsequent descent. The pilot's lengthy time awake and the time of the accident suggest that he may have been fatigued at the time of the event.

NTSB Probable Cause Narrative

The pilot’s failure to maintain awareness of the helicopter’s altitude while attempting to troubleshoot the clutch actuator warning light, which resulted in an inadvertent descent and impact with water. Contributing to the accident was the pilot's possible fatigue.

Event Information

Type of Event Accident
Event Date 7/4/2012
Event Day of the Week Wednesday
Time of Event 340
Event Time Zone Eastern Daylight Time
Event City Tallahassee
Event State FLORIDA
Event Country --
Zipcode of the event site 32310
Event Date Year 2012
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 303329N
Event Location Longitude 0841344W
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
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 353 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 211
Weather Observation Facility ID TLH
Elevation of weather observation facility 81
Distance of event from weather observation facility (units?) 12
Time Zone of the weather observation EDT
Lighting Conditions Night
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) 10
Air Temperature at event time (in degrees celsius) 23
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 190
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 3
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 30
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 30965
NTSB Notification Source FAA Southern ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jan 25 2013 5:53PM
User who most recently changed record gots
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N561CH
NTSB Number ERA12LA429
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 None
Aircraft Manufacturer's Full Name ROBINSON HELICOPTER
Aircraft Model R44
Aircraft Series Identifier --
Aircraft Serial Number 1963
Certified Max Gross Weight 2500
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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection May 29 2012 12:00AM
Airframe hours since last inspection --
Airframe Hours 1336
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type Unknown
Aircraft Owner Name CAPITAL HELICOPTERS LLC
Aircraft Owner Street Address --
Aircraft Owner City TALLAHASSEE
Aircraft Owner State FL
Aircraft Owner Country USA
Aircraft Owner Zipcode 32308-6245
Operator is an individual? No
Operator Name CAPITAL HELICOPTERS LLC
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City TALLAHASSEE
Operator State FL
Operator Country USA
Operator Zip code 32308-6245
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code TLH
Departure City Tallahassee
Departure State FL
Departure Country USA
Departure Time 330
Departure Time Zone EDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code TLH
Destination City Tallahassee
Destination State FL
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 3 2013 1:41PM
User who most recently changed record vioa
Since inspection or accident Time of Accident
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --