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NTSB Final Report: Auburn, WA

Location:

Auburn, Washington

Accident Number:

WPR22LA220

Date & Time:

June 18, 2022, 16:23 Local

Registration:

N944BC

Aircraft:                                  ROBINSON HELICOPTER COMPANY R44 II

Aircraft Damage:            Substantial

Defining Event:                      Loss of control in flight                      

Injuries:                                                2 Minor

Flight Conducted Under:       Part 91: General aviation - Instructional

 

Analysis

The flight instructor was providing initial flight training to the student. After completing hover and pattern work, they transitioned to a raised grass helicopter practice pad on the airport.

After the student completed a successful set-down, the instructor asked him to lift the helicopter into a hover. As the helicopter lifted off the ground, it began to move aft, and the instructor applied forward cyclic. However, the helicopter continued, and he felt the right skid touch the ground. The helicopter then started to roll, and sensing that this could be the beginning of a dynamic rollover event, he reduced collective pitch control, however the helicopter yawed to the left and rolled over. The fuselage and tailboom were substantially damaged. The pilot reported that there were no mechanical failures or 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 student pilot’s loss of helicopter control and the flight instructor’s delayed remedial action while providing hover training which resulted in a dynamic rollover.

Findings

Personnel issues - Aircraft control - Student/instructed pilot

Personnel issues -Monitoring other person - Instructor/check pilot

Personnel issues - Delayed action - Instructor/check pilot

Environmental issues - Soft surface - Effect on equipment


Factual Information

History of Flight

Maneuvering-hover - Loss of control in flight (Defining event)

Maneuvering-hover - Dynamic rollover

Pilot Information

Certificate:

Commercial; Flight instructor; Private

Age:

44,Male

Airplane Rating(s):

Single-engine land

Seat Occupied:

Left

Other Aircraft Rating(s):

Helicopter

Restraint Used:

3-point

Instrument Rating(s):

None

Second Pilot Present:

 

Instructor Rating(s):

Helicopter

Toxicology Performed:

 

Medical Certification:

Class 2 With waivers/limitations

Last FAA Medical Exam:

October 18, 2021

Occupational Pilot:

No

Last Flight Review or Equivalent:

May 14, 2022

Flight Time:

530 hours (Total, all aircraft), 132 hours (Total, this make and model)

 

Student pilot Information

Certificate:

None

Age:

13,Male

Airplane Rating(s):

None

Seat Occupied:

Right

Other Aircraft Rating(s):

None

Restraint Used:

3-point

Instrument Rating(s):

None

Second Pilot Present:

 

Instructor Rating(s):

None

Toxicology Performed:

 

Medical Certification:

None None

Last FAA Medical Exam:

 

Occupational Pilot:

No

Last Flight Review or Equivalent:

 

Flight Time:

5 hours (Total, all aircraft), 4 hours (Total, this make and model), 4 hours (Last 90 days, all aircraft), 4 hours (Last 30 days, all aircraft), 0 hours (Last 24 hours, all aircraft)

Aircraft and Owner/Operator Information

Aircraft Make:

ROBINSON HELICOPTER COMPANY

Registration:

N944BC

Model/Series:

R44 II

Aircraft Category:

Helicopter

Year of Manufacture:

2013

Amateur Built:

 

Airworthiness Certificate:

Normal

Serial Number:

13484

Landing Gear Type:

None; Skid

Seats:

4

Date/Type of Last Inspection:

March 1, 2022 Annual

Certified Max Gross Wt.:

2500 lbs

Time Since Last Inspection:

35 Hrs

Engines:

1 Reciprocating

Airframe Total Time:

1349.8 Hrs as of last inspection

Engine Manufacturer:

Lycoming

ELT:

Installed

Engine Model/Series:

IO-540-AE1A5

Registered Owner:

 

Rated Power:

245 Horsepower

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:

KSEA,369 ft msl

Distance from Accident Site:

8 Nautical Miles

Observation Time:

16:53 Local

Direction from Accident Site:

334°

Lowest Cloud Condition:

Few / 3700 ft AGL

Visibility

10 miles

Lowest Ceiling:

Overcast / 5000 ft AGL

Visibility (RVR):

 

Wind Speed/Gusts:

9 knots /

Turbulence Type Forecast/Actual:

/

Wind Direction:

220°

Turbulence Severity Forecast/Actual:

/

Altimeter Setting:

30.04 inches Hg

Temperature/Dew Point:

16°C / 9°C

Precipitation and Obscuration:

No Obscuration; No Precipitation

 

Departure Point:

Auburn, WA

Type of Flight Plan Filed:

None

Destination:

Auburn, WA

Type of Clearance:

None

Departure Time:

Type of Airspace:

Class G

Airport Information

Airport:

AUBURN MUNI S50

Runway Surface Type:

 

Airport Elevation:

63 ft msl

Runway Surface Condition:

Soft;Vegetation

Runway Used:

 

IFR Approach:

None

Runway Length/Width:

 

VFR Approach/Landing:

None

Wreckage and Impact Information

Crew Injuries:

1 Minor

Aircraft Damage:

Substantial

Passenger Injuries:

1 Minor

Aircraft Fire:

None

Ground Injuries:

 

Aircraft Explosion:

None

Total Injuries:

2 Minor

Latitude, Longitude:

47.324274,-122.22765

Administrative Information

Investigator In Charge (IIC):

Simpson, Eliott

 

Additional Participating Persons:

Rod Ziegler; FAA FSDO; Seattle

 

Original Publish Date:

November 3, 2022                                                                       Investigation Class:

4

Note:

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

 

Investigation Docket:

https://data.ntsb.gov/Docket?ProjectID=105294

 





Created 90 days ago
by Admin

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