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Winch Failsafe Failure - Land In Place

Andi Lamprecht Andi Lamprecht ·· 2 min read· Draft
Winch Failsafe Failure - Land in Place
WARNING: Failure of Winch Failsafe may result in entanglement of the aircraft in the winch line resulting in loss of aircraft, damage to property, and injury to persons (MINOR)

INDICATIONS

  1. Winch Failure - Package Not Releasing, Section 4.3.2.2 has been attempted without a successful result (i.e. complete release of line and external load)
  2. External load and line still connected to winch after winch freespool command has been issued
NOTE: Winch Status “FAILSAFE” does not indicate the winch failsafe (see FAILSAFE BEHAVIOR below) is being performed. It only indicates that the winch is in an unhealthy state.

FAILSAFE BEHAVIOR

After the third and final delivery attempt, the winch will automatically enter into a hold state and will await commands from the RPIC or the automated loss of comms failsafe.

PROCEDURE

EMERGENCY WINCH FAILURE ANNOUNCE

VO: Location — RELOCATE TO AIRCRAFT POSITION

Using video feed, determine if area below aircraft is clear for landing VERIFY

If Landing Area is clear:

Use video feed to determine wind effects on external load — CHECK

AMC Click to Fly: Navigate aircraft in opposite direction of wind and package EXECUTE

If Landing Area is obstructed:

VO: Clear the landing area. Aircraft remains in Hold Mode until this time VERIFY

Use video feed to determine wind effects on external load — CHECK

AMC Click to Fly: Navigate aircraft in opposite direction of wind and package EXECUTE

Land Mode ENGAGE

Procedure Complete
NOTE: Aircraft will need to be recovered by personnel.
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