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NTSB Final Report: San Isidro, TX

Location:

San Isidro, Texas

Accident Number:

CEN22LA400

Date & Time:

August 20, 2022, 19:30 Local

Registration:

N4447A

Aircraft:                             ROBINSON HELICOPTER COMPANY R44 II

 

Aircraft Damage:          Substantial

Defining Event:                  Hard landing                                          Injuries:                                          1 Serious

Flight Conducted Under: Part 91: General aviation - Personal

Analysis

The pilot reported that he was practicing autorotations when the accident occurred. After successfully completing several autorotations from the same direction, he elected to attempt one from a different direction, which put the helicopter into a tailwind. During the maneuver, when the pilot rolled off the throttle, the helicopter “lost RPM”. He attempted to add power but was too low to the ground and the helicopter landed hard and rolled onto its side. The helicopter sustained substantial damage to the fuselage and the pilot was seriously injured. The pilot reported that there were no preaccident mechanical malfunctions with the helicopter that would have precluded normal operation.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot’s improper decision to conduct an autorotation with a tailwind, which resulted in a hard landing and substantial damage.

Findings

Personnel issues - Decision making/judgment - Pilot

Environmental issues - Tailwind - Contributed to outcome


Factual Information

History of Flight

Autorotation                                 Hard landing (Defining event)

Pilot Information

Certificate:

Commercial

 

Age:

33,Male

 

Airplane Rating(s):

None

 

Seat Occupied:

Rear

 

Other Aircraft Rating(s):

Helicopter

 

Restraint Used:

 

 

Instrument Rating(s):

None

 

Second Pilot Present:

No

 

Instructor Rating(s):

None

 

Toxicology Performed:

 

 

Medical Certification:

Class 2 Without waivers/limitations

 

Last FAA Medical Exam:

February

9, 2022

Occupational Pilot:

No

 

Last Flight Review or Equivalent:

 

 

Flight Time:

(Estimated) 1000 hours

(Total, all

aircraft)

 

 

Aircraft and Owner/Operator Information

Aircraft Make:

ROBINSON COMPANY

HELICOPTER

Registration:

N4447A

Model/Series:

R44 II

 

Aircraft Category:

Helicopter

Year of Manufacture:

2009

 

Amateur Built:

 

Airworthiness Certificate:

Normal

 

Serial Number:

12906

Landing Gear Type:

 

 

Seats:

4

Date/Type of Last Inspection:

 

 

Certified Max Gross Wt.:

 

Time Since Last Inspection:

 

 

Engines:

1

Airframe Total Time:

 

 

Engine Manufacturer:

 

ELT:

 

 

Engine Model/Series:

 

Registered Owner:

 

 

Rated Power:

 

Operator:

On file

 

Operating Certificate(s) Held:

None

Meteorological Information and Flight Plan

Conditions at Accident Site:

Visual (VMC)

Condition of Light:

Day

Observation Facility, Elevation:

KMFE

Distance from Accident Site:

 

Observation Time:

Direction from Accident Site:

 

Lowest Cloud Condition:

Clear

Visibility

10 miles

Lowest Ceiling:

None

Visibility (RVR):

 

Wind Speed/Gusts:

15 knots / 21 knots

Turbulence Type Forecast/Actual:

/

Wind Direction:

100°

Turbulence Severity Forecast/Actual:

/

Altimeter Setting:

29.87 inches Hg

Temperature/Dew Point:

32°C / 23°C

Precipitation and Obscuration:

No Obscuration; No Precipitation

 

Departure Point:

San Isidro, TX

Type of Flight Plan Filed:

None

Destination:

San Isidro, TX

Type of Clearance:

None

Departure Time:

Type of Airspace:

Class G

Wreckage and Impact Information

Crew Injuries:

1

Serious

Aircraft Damage:

Substantial

Passenger Injuries:

 

 

Aircraft Fire:

None

Ground Injuries:

 

 

Aircraft Explosion:

None

Total Injuries:

1

Serious

Latitude, Longitude:

27.72606,-98.36814

Administrative Information

Investigator In Charge (IIC):

Williams, David

 

Additional Participating Persons:

Thomas Ballard; FAA; San Antonio, TX

 

Original Publish Date:

September 23, 2022                                                                    Investigation Class:

4

Note:

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

 

Investigation Docket:

https://data.ntsb.gov/Docket?ProjectID=105816

 

 

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Created 72 days ago
by Admin

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