What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The rotorcraft departed chicago executive (pwk) with a destination of morton grove, IL.
Approximately 1 mile south east of pwk, the rotorcraft began a controlled descent due to reported power loss. Aircraft made a turn in the north west direction aligning with IL-21/highway 45 roadway and pwk direct north west.
The rotorcraft's rotor impacted a traffic light pole. Following impact the rotorcrafts skids contacted the roadway and the rotorcraft came to a rest pointing east.
The right skid collapsed during impact and rotorcraft fuselage came to rest on its right side impacting the roadway surface. Tail boom was impacted by rotor disc.
No post impact fire. Continuity of main rotor and engine controls were verified.
On 8/16/2021 inspectors privacy data omitted and privacy data omitted meet NTSB investigator privacy data omitted at pwk secured site for N4043B. Rotorcraft's engine monitoring system was downloaded by NTSB. Engine was ground run up to idle operating speed. No performance abnormalities noted.
As the FAA filed it
THE ROTORCRAFT DEPARTED CHICAGO EXECUTIVE (PWK) WITH A DESTINATION OF MORTON GROVE, IL.
APPROXIMATELY 1 MILE SOUTH EAST OF PWK, THE ROTORCRAFT BEGAN A CONTROLLED DESCENT DUE TO REPORTED POWER LOSS. AIRCRAFT MADE A TURN IN THE NORTH WEST DIRECTION ALIGNING WITH IL-21/HIGHWAY 45 ROADWAY AND PWK DIRECT NORTH WEST.
THE ROTORCRAFT'S ROTOR IMPACTED A TRAFFIC LIGHT POLE. FOLLOWING IMPACT THE ROTORCRAFTS SKIDS CONTACTED THE ROADWAY AND THE ROTORCRAFT CAME TO A REST POINTING EAST.
THE RIGHT SKID COLLAPSED DURING IMPACT AND ROTORCRAFT FUSELAGE CAME TO REST ON ITS RIGHT SIDE IMPACTING THE ROADWAY SURFACE. TAIL BOOM WAS IMPACTED BY ROTOR DISC.
NO POST IMPACT FIRE. CONTINUITY OF MAIN ROTOR AND ENGINE CONTROLS WERE VERIFIED.
ON 8/16/2021 INSPECTORS ^PRIVACY DATA OMITTED^ AND ^PRIVACY DATA OMITTED^ MEET NTSB INVESTIGATOR ^PRIVACY DATA OMITTED^ AT PWK SECURED SITE FOR N4043B. ROTORCRAFT'S ENGINE MONITORING SYSTEM WAS DOWNLOADED BY NTSB. ENGINE WAS GROUND RUN UP TO IDLE OPERATING SPEED. NO PERFORMANCE ABNORMALITIES NOTED.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.