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An example of uncommanded input is from my CH-53 days. In the automatic flight control system there are servos that must be correctly positioned in order for pilot inputs to be accurately sent to the rotor systems. There are various servos, each one is detailed for a particular flight movement...

There’s various reasons for checking rigging. A rig check is mandatory every time a component in the flight controls is repaired or replaced. At certain times, such as a 200 hour phase inspection, a rigging check is mandated. Another reason is if there is a uncommanded input into the flight...

Rigging, in simple terms, means adjusting for proper dimensions. Starting in the cockpit with the “sticks” and all along the length of the flight controls, there are adjustable links. In order to make sure that any maintenance on the flight controls is done correctly, you measure each component...

Some time ago, during a conversation, special tools was briefly brought up. I have a eclectic collection of tools, tool sets, tool kits, PMEL, etc. I would like to show one of my tool kits. It was an EBay purchase of a DRMO’ed tool kit. I think it’s important to have some documentation (DRMO...