Yale Cordage Wire Core Flip Line

Date of incident


Location of incident

Atherton California Canada

Age of impacted party



Serious Injury

Type of incident

Equipment failure

Type of equipment involved


Type of injury


Bodily injury to


Action taken

Post-incident physiotherapy

Involvement of contributor

Worker performing task


Sunny/mostly sunny

Causes of the incident

Equipment failure

Description of incident

Metal fatigue on the cable inside the rope where it was crimped at the end and not visible.

Contributing factors

Not tied in with 2 lines, which became a standard after my incident and another a month earlier in Australia.

Incident review and preventative measures

unforeseeable incident, finishing a 5 day job about 12:45 p.m. starting up an 80' Redwood @ 15' I was hand sawing the lowest limb to my left side with both hands and on the pull back the flip line failed and I did a head dive backwards into the base of another Redwood my co-worker was in a ripped my neck so far forward it almost killed me, herniated discs in my neck and lower back, major trauma, PTSD. Always tie in with 2 lines which became a standard after 2 failures.

Link to media

Form completed by (optional)

Eddie Farquharson