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NTSB Final Report Released: Burnet, TX

Location:

Burnet, TX

Accident Number:

CEN17LA336

Date & Time:

09/02/20171645 CDT

Registration:

N50MP

Aircraft:

HUGHES 369A

Aircraft Damage:

Substantial

Defining Event:

Fuel exhaustion

Injuries:

1 Serious, 1 Minor, 1 None

Flight Conducted Under:

Part 91: General Aviation - Business


Analysis
The pilot and two passengers had conducted aerial hog hunt operations from a helicopter and were en route to an airport when the engine lost power. The pilot conducted an autorotation to a road; however, the helicopter landed hard, resulting in substantial damage. An examination of the helicopter revealed that the fuel tank was empty, and no residual fuel was found in the system. Since the pilot was en route to an airport where fuel was available, it is likely that he spent too much time airborne and misjudged the amount of fuel needed to reach the destination. The accident is consistent with a fuel exhaustion event.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The pilot's inadequate inflight decision making, which resulted in a total loss of engine power due to fuel exhaustion.

Findings

Aircraft

Fuel - Fluid level (Cause)

Personnel issues

Action/decision - Pilot (Cause)


Factual Information

On September 2, 2017, about 1645 central daylight time, a Hughes 369A helicopter, N50MP, conducted an autorotation near Burnet, Texas. The pilot was not injured, one passenger received minor injuries, and one passenger received serious injuries. The helicopter was substantially damaged during the landing. The helicopter was registered to and operated by Lyft, LLC, Missoula, Montana, under the provisions of 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed at the time of the accident.

According to the responding Federal Aviation Administration (FAA) inspector, the pilot and two passengers were conducting aerial hog hunt operations. The helicopter was en route to the Burnet Municipal Airport-Kate Craddock Field Burnet Municipal airport (KBMQ), Burnet, Texas, when the engine lost power. The pilot conducted an autorotation to a road; however, the helicopter landed hard, resulting in substantial damage to the fuselage and tailboom.

The FAA inspector used a dip stick to check the fuel tank; the fuel tank was empty. The inspector also looked at the pump/injector and check valve; however, no residual fuel was found. The inspector checked the last place the helicopter was refuel, noting that the station's filters were not contaminated and that other people had purchased fuel and no problems had been reported.

The pilot did not return a completed an NTSB 6120 form.

Administrative Information

Investigator In Charge (IIC):

Craig Hatch

Adopted Date:

11/06/2018

Additional Participating Persons:

Frank Fortmann; FAA FSDO; San Antonio, TX

Publish Date:

11/06/2018

Note:

The NTSB did not travel to the scene of this accident.

Investigation Docket:

http://dms.ntsb.gov/pubdms/search/dockList.cfm?mKey=95941

 

History of Flight

Maneuvering

Fuel exhaustion (Defining event)

Autorotation

Hard landing

 

 

Pilot Information

Certificate:

Commercial

Age:

51

Airplane Rating(s):

None

Seat Occupied:

Right

Other Aircraft Rating(s):

Helicopter

Restraint Used:

Unknown

Instrument Rating(s):

Helicopter

Second Pilot Present:

No

Instructor Rating(s):

Helicopter

Toxicology Performed:

No

Medical Certification:

Class 2 With Waivers/Limitations

Last FAA Medical Exam:

07/11/2016

Occupational Pilot:

 

Last Flight Review or Equivalent:

 

Flight Time:

 

 

 

Aircraft and Owner/Operator Information

Aircraft Make:

HUGHES

Registration:

N50MP

Model/Series:

369A NO SERIES

Aircraft Category:

Helicopter

Year of Manufacture:

1968

Amateur Built:

No

Airworthiness Certificate:

Normal

Serial Number:

1180860

Landing Gear Type:

Skid

Seats:

 

Date/Type of Last Inspection:

 

Certified Max Gross Wt.:

 

Time Since Last Inspection:

 

Engines:

 Turbo Shaft

Airframe Total Time:

 

Engine Manufacturer:

Allison

ELT:

 

Engine Model/Series:

250

Registered Owner:

LYFT LLC

Rated Power:

 

Operator:

LYFT LLC

Operating Certificate(s) Held:

None

 

Meteorological Information and Flight Plan

Conditions at Accident Site:

Visual Conditions

Condition of Light:

Day

Observation Facility, Elevation:

KBMQ

Distance from Accident Site:

 

Observation Time:

1653 CDT

Direction from Accident Site:

 

Lowest Cloud Condition:

Few / 7000 ft agl

Visibility

10 Miles

Lowest Ceiling:

 

Visibility (RVR):

 

Wind Speed/Gusts:

6 knots /

Turbulence Type Forecast/Actual:

/

Wind Direction:

170°

Turbulence Severity Forecast/Actual:

/

Altimeter Setting:

30.04 inches Hg

Temperature/Dew Point:

33°C / 16°C

Precipitation and Obscuration:

No Precipitation

Departure Point:

 

Type of Flight Plan Filed:

Unknown

Destination:

Burnet, TX

Type of Clearance:

VFR

Departure Time:

 

Type of Airspace:

 

  

Wreckage and Impact Information

Crew Injuries:

1 None

Aircraft Damage:

Substantial

Passenger Injuries:

1 Serious, 1 Minor

Aircraft Fire:

None

Ground Injuries:

N/A

Aircraft Explosion:

None

Total Injuries:

1 Serious, 1 Minor, 1 None

Latitude, Longitude:

30.791667, -98.232778 (est)

 





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Created 10 days ago
by jhadmin

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