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ASN Wikibase Occurrence # 218072
Last updated: 7 August 2020
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Date:15-OCT-2018
Time:
Type:Silhouette image of generic EC20 model; specific model in this crash may look slightly different
Eurocopter EC120B
Owner/operator:Kallax Flyg AB
Registration: SE-JHB
C/n / msn:
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Minor
Location:Kiruna -   Sweden
Phase: En route
Nature:Passenger - Non-Scheduled/charter/Air Taxi
Departure airport:
Destination airport:
Narrative:
ENG CHIP warning during flight, pilot elected to perform steep landing in autorotation profile with throttle in FLIGHT detent, engine failure during flare when pulling pitch to prevent high RRPM. No damage to helicopter other than lead-lag dampers. Rear turbine bearing oil jet blocked by coked oil. Bearing desintegrated, leading to internal oil leak and power shaft not fixed in place. Pitch movement near landing demanded engine power, leading to shaft ramming accessory gearbox, ultimately leading to disconnection between compressor and turbine. Disconnection results in flame-out.

Sources:

PIC


Revision history:

Date/timeContributorUpdates
18-Nov-2018 10:35 adamtoo Added
18-Nov-2018 10:36 harro Updated [Aircraft type]
17-Oct-2019 19:45 Anon. Updated [Narrative]
08-Feb-2020 08:44 Anon. Updated [Narrative]

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