Sunday, February 02, 2020

Hard Landing: Bell 47G-2, N6746D: Accident occurred November 07, 2019 at Seminole Lake Gliderport (6FL0), Groveland, Lake County, Florida

View of substantial damage to the helicopter fuselage. 
Federal Aviation Administration 

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Orlando, Florida 

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Groveland, FL

Accident Number: GAA20CA062
Date & Time: 11/07/2019, 1105 EST
Registration: N6746D
Aircraft: Bell 47G
Aircraft Damage: Substantial
Defining Event: Hard landing
Injuries: 1 None 
Flight Conducted Under: Part 91: General Aviation - Personal 

The student helicopter pilot reported that during landing, the helicopter had a hydraulic failure, to which he "overreacted, causing a loss of control and subsequent roll over." The helicopter caught fire, and the pilot egressed through the left door.

During a conversation with the student, he reported that he did not accomplish the helicopter manufactures Hydraulic Failure emergency procedure, because, he "didn't want to let go of the cyclic or the collective to turn off the hydraulic pressure switch."

The tail struck the ground and a subsequent hard landing ensued.

The helicopter sustained substantial damage to the fuselage and tailboom.

According to FAA Aviation Safety Inspectors that interviewed the pilot directly following the accident, the pilot stated that, he overreacted by making multiple commands to the cyclic and a tail strike ensued, followed by hard landing and rollover. The hydraulic pump and the hydraulic lines were damaged during the post-accident fire. 

Pilot Information

Certificate: Commercial
Age: 72, Male
Airplane Rating(s): Multi-engine Land; Multi-engine Sea; Single-engine Land; Single-engine Sea
Seat Occupied: Left
Other Aircraft Rating(s): Glider
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed:No 
Medical Certification: BasicMed With Waivers/Limitations
Last FAA Medical Exam: 06/10/2019
Occupational Pilot: No
Last Flight Review or Equivalent: 10/10/2019
Flight Time:  (Estimated) 19000 hours (Total, all aircraft), 20 hours (Total, this make and model), 18925 hours (Pilot In Command, all aircraft), 25 hours (Last 90 days, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make: Bell
Registration: N6746D
Model/Series: 47G 2
Aircraft Category: Helicopter
Year of Manufacture: 1958
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 2250
Landing Gear Type: Skid
Seats: 3
Date/Type of Last Inspection: 04/01/2019, Annual
Certified Max Gross Wt.: 2450 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time:
Engine Manufacturer: Lycoming
ELT: Installed, activated, did not aid in locating accident
Engine Model/Series: VO435
Registered Owner: On file
Rated Power: 194 hp
Operator: On file
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KZPH, 90 ft msl
Distance from Accident Site: 20 Nautical Miles
Observation Time: 1535 UTC
Direction from Accident Site: 238°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 7 knots /
Turbulence Type Forecast/Actual:
Wind Direction: 40°
Turbulence Severity Forecast/Actual: 
Altimeter Setting: 30.17 inches Hg
Temperature/Dew Point: 28°C / 23°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Groveland, FL (6FL0)
Type of Flight Plan Filed: None
Destination: Groveland, FL (6FL0)
Type of Clearance: None
Departure Time: 1000 EST
Type of Airspace: Class G

Airport Information

Airport: Seminole Lake (6FL0)
Runway Surface Type: Unknown
Airport Elevation: 120 ft
Runway Surface Condition: Dry
Runway Used: 18
IFR Approach: None
Runway Length/Width: 3000 ft / 200 ft
VFR Approach/Landing: Full Stop

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: On-Ground
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 28.405833, -81.837778 (est)

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