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NTSB Preliminary Report: Lee's Summit, MO

Location:

Lee's Summit, MO

Accident Number:

CEN26LA191

Date & Time:

May 16, 2026, 09:50 Local

Registration:

N284ST

Aircraft:

Vertical Aviation Hummingbird

Injuries:

1 Minor, 2 None

Flight Conducted Under:

Part 91: General aviation - Personal

 

 

On May 16, 2026, about 0950 central daylight time, a Vertical Aviation Technologies 300L Hummingbird helicopter, N284ST, was substantially damaged when it was involved in an accident near Lee’s Summit, Missouri. One passenger sustained minor injuries. The pilot and second passenger were not injured. The helicopter was operated as a Title 14 Code of Federal Regulations Part 91 personal flight.

The pilot reported that after completing his initial preflight actions, he departed from his home base in Milan, Missouri, for Trenton Municipal Airport (TRX) in Trenton, Missouri. After refueling at TRX, he then departed to Kansas City/Lee's Summit Regional Airport (LXT), Lee’s Summit, Missouri, to participate in an EAA Young Eagles flight.

According to the pilot, the passengers were given a safety briefing after they were loaded into the helicopter. After the engine was started, the engine oil temperature was observed to be within the required range to engage the rotor systems, and the pilot initiated a low hover. The pilot stated that after he turned about 90° to the right and flew south about 15 ft above ground level, the helicopter yawed to the left and fell to the ground. The helicopter impacted sloped terrain and came to rest on its right side, which resulted in substantial damage to its vertical and horizontal stabilizers.

Video footage of the accident depicted the helicopter entering translational flight and turning to the right. After about 5 seconds, the helicopter climbed about 15 ft above ground level (AGL). A sudden increase of engine RPM can be heard, followed immediately by a loss of control, during which the helicopter rotated counterclockwise and impacted the terrain.

The wreckage was retained for further investigation.

Aircraft and Owner/Operator Information

Aircraft Make:

Vertical Aviation

Registration:

N284ST

Model/Series:

Hummingbird 300L

Aircraft Category:

Helicopter

Amateur Built:

Yes

 

 

Operator:

AMD AIR LLC

Operating Certificate(s) Held:

None

Operator Designator Code:

NA

 

 

Meteorological Information and Flight Plan

Conditions at Accident Site:

VMC

Condition of Light:

Day

Observation Facility, Elevation:

KLXT,1000 ft msl

Observation Time:

09:53 Local

Distance from Accident Site:

0 Nautical Miles

Temperature/Dew Point:

24°C /19°C

Lowest Cloud Condition:

Clear

Wind Speed/Gusts, Direction:

7 knots / None, 160°

Lowest Ceiling:

None

Visibility:

10 miles

Altimeter Setting:

29.82 inches Hg

Type of Flight Plan Filed:

NONE

Departure Point:

Lee's Summit, MO

Destination:

Lee's Summit, MO

Wreckage and Impact Information

Crew Injuries:

1 None

Aircraft Damage:

Substantial

Passenger Injuries:

1 Minor, 1 None

Aircraft Fire:

None

Ground Injuries:

N/A

Aircraft Explosion:

None

Total Injuries:

1 Minor, 2 None

Latitude, Longitude:

38.959097,-94.371895

 

Administrative Information

Investigator In Charge (IIC):

Maxon, Cory

Additional Participating Persons:

David Johnson; FAA; MO

Investigation Class:

Class 3

Note:

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





Created 2 hours ago
by Admin

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