20051108032149A

Accident · Substantial damage

FAA accident report · Agusta A109E · Robbinsdale, MN · November 8, 2005

Date: November 8, 2005 · 08:58 local
Place: Robbinsdale, MN
Airport: North Memorial
Phase of flight: Takeoff
Operating rules: General operating rules (Part 91)
Operator: S6GA
Damage: Substantial damage
Aircraft: N30NM
NTSB investigation: NTSBCHI06LA027
Reported as: Agusta A109E
Reported engine: PWC PW206C
People aboard: 3
Fatal injuries: 0
Pilot’s flight hours: 14,000 total4,000 in this make and model45 in the last 90 days

N30NMRegistration cancelled Aug 2, 2020 · Agusta A109ES/N 11065 Airframe modelAgusta A109E

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-23) Upon N30NM departing MY77 helipad the PIC noticed warning indications on the right engine. The PIC stated that he heard a loud "bang" followed by a loss of power. The aircraft was approximately 15 feet above the helipad at the time of the power loss and after landing the aircraft started to roll violently left and right (ground resonance) causing the left main gear to collapse. The PIC was able to control the aircraft enough to prevent the main rotor blades from striking the helipad, however the tail rotor did strike the edge of the helipad severing a metal cable. After the left main gear collapsed the aircraft rotated approximately 180 degrees, from its initial heading on touchdown, dragging the nose and right main gear. The aircraft came to rest approximately two feet from the edge of the helipad. Corrective action has yet to be determined due to the fact that the engines have yet to be examined by pratt & whitney.

As the FAA filed it

(-23) UPON N30NM DEPARTING MY77 HELIPAD THE PIC NOTICED WARNING INDICATIONS ON THE RIGHT ENGINE. THE PIC STATED THAT HE HEARD A LOUD "BANG" FOLLOWED BY A LOSS OF POWER. THE AIRCRAFT WAS APPROXIMATELY 15 FEET ABOVE THE HELIPAD AT THE TIME OF THE POWER LOSS AND AFTER LANDING THE AIRCRAFT STARTED TO ROLL VIOLENTLY LEFT AND RIGHT (GROUND RESONANCE) CAUSING THE LEFT MAIN GEAR TO COLLAPSE. THE PIC WAS ABLE TO CONTROL THE AIRCRAFT ENOUGH TO PREVENT THE MAIN ROTOR BLADES FROM STRIKING THE HELIPAD, HOWEVER THE TAIL ROTOR DID STRIKE THE EDGE OF THE HELIPAD SEVERING A METAL CABLE. AFTER THE LEFT MAIN GEAR COLLAPSED THE AIRCRAFT ROTATED APPROXIMATELY 180 DEGREES, FROM ITS INITIAL HEADING ON TOUCHDOWN, DRAGGING THE NOSE AND RIGHT MAIN GEAR. THE AIRCRAFT CAME TO REST APPROXIMATELY TWO FEET FROM THE EDGE OF THE HELIPAD. CORRECTIVE ACTION HAS YET TO BE DETERMINED DUE TO THE FACT THAT THE ENGINES HAVE YET TO BE EXAMINED BY PRATT & WHITNEY.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB CHI06LA027Accident · No injuriesLimited investigationFinal reportRobbinsdale, MNThe loss of lift for undetermined reasons.Nov 8, 2005 · Substantial damage