Hard landing Incident Aérospatiale SA 315B Lama HB-XNA, Wednesday 29 September 1982

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Date:	Wednesday 29 September 1982
Time:	11:52 LT
Type:	Aérospatiale SA 315B Lama
Owner/operator:	Heliswiss
Registration:	HB-XNA
MSN:	1918/19
Year of manufacture:	1982
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Location:	Lungern, OW - Switzerland
Phase:	En route
Nature:	Cargo
Departure airport:	Hüttstett - offshore
Destination airport:	Hüttstett - offshore
Investigating agency:	BFU Switz.
Confidence Rating:	Information verified through data from accident investigation authorities

Narrative:
The cargo-rope came into the main rotor. Pilot lost half control of the helicopter and landed hard. He was uninjured and the helicopter substantial damaged. Helicopter was built as an Alouette II, but later converted to a SA 315B Lama.

Accident investigation: