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NTSB Final Report: Delta, Missouri

Location:

Delta, Missouri

Accident Number:

CEN22LA006

Date & Time:

October 5, 2021, 14:20 Local

Registration:

N266RK

Aircraft:

ROBINSON HELICOPTER CO R66

Aircraft Damage:

Substantial

Defining Event:

Collision with terr/obj (non-CFIT)

Injuries:

1 Minor

Flight Conducted Under: Part 137: Agricultural

Analysis

The pilot reported that during spray operations the helicopter contacted a wire and then impacted terrain, which damaged the main rotor mast and tail boom. Following the accident, the pilot realized the poles holding the wire were concealed by trees and that he should have conducted a more thorough inflight survey of the spray area. The pilot reported no preaccident 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 pilot’s inadequate inflight planning and his failure to see and avoid a wire which resulted in contact with the wire and subsequent ground impact.

Findings

Personnel issues - Pilot Monitoring environment

Personnel issues -  Pilot Wire - Effect on equipment

Environmental issues - Flight planning/navigation

Aircraft - (general) - Damaged/degraded

 

Factual Information

History of Flight

Maneuvering-low-alt flying           Collision with terr/obj (non-CFIT) (Defining event)

Pilot Information

Certificate:

Commercial

Age:

25,Male

Airplane Rating(s):

None

Seat Occupied:

Right

Other Aircraft Rating(s):

Helicopter

Restraint Used:

5-point

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:

December 23, 2020

Occupational Pilot:

Yes

Last Flight Review or Equivalent:

November 20, 2020

Flight Time:

2941 hours (Total, all aircraft), 2104 hours (Total, this make and model), 2941 hours (Pilot In Command, all aircraft), 350 hours (Last 90 days, all aircraft), 55 hours (Last 30 days, all aircraft), 0 hours (Last 24 hours, all aircraft)

 Aircraft and Owner/Operator Information

Aircraft Make:

ROBINSON HELICOPTER CO

Registration:

N266RK

Model/Series:

R66

Aircraft Category:

Helicopter

Year of Manufacture:

2014

Amateur Built:

 

Airworthiness Certificate:

Restricted (Special)

Serial Number:

0563

Landing Gear Type:

Skid

Seats:

5

Date/Type of Last Inspection:

August 12, 2021 100 hour

Certified Max Gross Wt.:

2700 lbs

Time Since Last Inspection:

23 Hrs

Engines:

1 Turbo shaft

Airframe Total Time:

1935 Hrs at time of accident

Engine Manufacturer:

Rolls-Royce

ELT:

Installed

Engine Model/Series:

RRE-200570

Registered Owner:

 

Rated Power:

300

Operator:

 

Operating Certificate(s) Held:

Agricultural aircraft (137)

Meteorological Information and Flight Plan

Conditions at Accident Site:

Visual (VMC)

Condition of Light:

Day

Observation Facility, Elevation:

KCGI,352 ft msl

Distance from Accident Site:

8 Nautical Miles

Observation Time:

13:53 Local

Direction from Accident Site:

82°

Lowest Cloud Condition:

Clear

Visibility

10 miles

Lowest Ceiling:

None

Visibility (RVR):

 

Wind Speed/Gusts:

7 knots /

Turbulence Type Forecast/Actual:

/

Wind Direction:

50°

Turbulence Severity Forecast/Actual:

/

Altimeter Setting:

30.06 inches Hg

Temperature/Dew Point:

26°C / 18°C

Precipitation and Obscuration:

No Obscuration; No Precipitation

 

Departure Point:

Delta, MO (Priv)

Type of Flight Plan Filed:

None

Destination:

Delta, MO (Priv)

Type of Clearance:

None

Departure Time:

13:55 Local

Type of Airspace:

Class G

Wreckage and Impact Information

Crew Injuries:

1 Minor

Aircraft Damage:

Substantial

Passenger Injuries:

 

Aircraft Fire:

None

Ground Injuries:

 

Aircraft Explosion:

None

Total Injuries:

1 Minor

Latitude, Longitude:

37.206,-89.74571(est)

Administrative Information

Investigator In Charge (IIC):

Folkerts, Michael

 

Additional Participating Persons:

William Grubb; Flight Standards District Office; St Louis, MO

 

Original Publish Date:

April 29, 2022                                                                   Investigation Class:

4

Note:

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

 

Investigation Docket:

https://data.ntsb.gov/Docket?ProjectID=104056