no-go item

no-go item

An item of equipment whose unserviceability, failure, or absence from an aircraft prohibits takeoff according to operating rules.
References in periodicals archive ?
We did see one example of the traditional bugaboo of the electromechanical twin Cessna gear: If the nosegear strut is completely deflated it's a no-go item.
Cabin heat isn't a high-priority item during the summer in Florida, but it might be a no-go item elsewhere.