AWB 63-002 Bell 206 Freewheel Unit Failures [pdf]
casa.gov.au
casa.gov.au
Contrary to some aviation experts on YT, mast bumping and catastrophic mast separation in the 206 is possible with debris in the oil restrictor to the freewheeling unit.
0. https://www.tsb.gc.ca/eng/rapports-reports/aviation/2011/a11...
In relation to the https://asn.flightsafety.org/wikibase/268724
and