What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Cargo strap blew out of baggage container and wrapped around tail rotor. Damage pitch links and gear box. Spun in. (.4)according to the FAA, the pilot had a cargo strap in an external basket which blew out of the container and wrapped around the tail rotor, damaging the pitch change links, and the 90 degree gearbox. The pilot attempted to hover during a run on landing, and the helicopter began spinning and impacted the ground. According to the pilot, he heard a bang, and then lost control of the anti-torque rotor pedals. Prior to touchdown, the helicopter yawed to the right, made a 360 degree turn, and impacted the ground. The Schweizer aircraft corp. pilot's flight manual states that in the event of a tail rotor failure, a pilot should enter autorotation. The faa's advisory circular 61-13B states that during the run on landing procedure, directional control should be maintained with cyclic control and by applying throttle to swing the nose to the right. One should not attempt to hover during a run on landing because it puts the helicopter at a high power setting. Autorotation should be used if the tail rotor failure occurs during a hover or if dangerous attitudes are incurred through the addition of power. (-23)improper pilot procedure durin the emergency landing caused the loss of directional control while attempting to land with a failed tail rotor. See attachment ALT98LA065
As the FAA filed it
CARGO STRAP BLEW OUT OF BAGGAGE CONTAINER AND WRAPPED AROUND TAIL ROTOR. DAMAGE PITCH LINKS AND GEAR BOX. SPUN IN. (.4)ACCORDING TO THE FAA, THE PILOT HAD A CARGO STRAP IN AN EXTERNAL BASKET WHICH BLEW OUT OF THE CONTAINER AND WRAPPED AROUND THE TAIL ROTOR, DAMAGING THE PITCH CHANGE LINKS, AND THE 90 DEGREE GEARBOX. THE PILOT ATTEMPTED TO HOVER DURING A RUN ON LANDING, AND THE HELICOPTER BEGAN SPINNING AND IMPACTED THE GROUND. ACCORDING TO THE PILOT, HE HEARD A BANG, AND THEN LOST CONTROL OF THE ANTI-TORQUE ROTOR PEDALS. PRIOR TO TOUCHDOWN, THE HELICOPTER YAWED TO THE RIGHT, MADE A 360 DEGREE TURN, AND IMPACTED THE GROUND. THE SCHWEIZER AIRCRAFT CORP. PILOT'S FLIGHT MANUAL STATES THAT IN THE EVENT OF A TAIL ROTOR FAILURE, A PILOT SHOULD ENTER AUTOROTATION. THE FAA'S ADVISORY CIRCULAR 61-13B STATES THAT DURING THE RUN ON LANDING PROCEDURE, DIRECTIONAL CONTROL SHOULD BE MAINTAINED WITH CYCLIC CONTROL AND BY APPLYING THROTTLE TO SWING THE NOSE TO THE RIGHT. ONE SHOULD NOT ATTEMPT TO HOVER DURING A RUN ON LANDING BECAUSE IT PUTS THE HELICOPTER AT A HIGH POWER SETTING. AUTOROTATION SHOULD BE USED IF THE TAIL ROTOR FAILURE OCCURS DURING A HOVER OR IF DANGEROUS ATTITUDES ARE INCURRED THROUGH THE ADDITION OF POWER. (-23)IMPROPER PILOT PROCEDURE DURIN THE EMERGENCY LANDING CAUSED THE LOSS OF DIRECTIONAL CONTROL WHILE ATTEMPTING TO LAND WITH A FAILED TAIL ROTOR. SEE ATTACHMENT ALT98LA065
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.
Other reports on N61193 · 1
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