Plain English Meaning
A custom rulebook the FAA gives to a commercial flying company that spells out what that company is allowed to do, where it can fly, what equipment it must use, and how it must do certain procedures.
Full Definition
A set of FAA-issued authorizations, limitations, and procedures that define exactly how a specific commercial operator (such as an air carrier or charter company) is permitted to conduct its operations. OpSpecs are issued by the FAA to certificate holders operating under Parts 121, 125, 135, and similar regulations, and they have the force of regulation for that operator.
Context Anchor
Seen in instrument procedure and company operations discussions when a procedure, minimum, airport, or type of operation is allowed only if the operator’s OpSpecs authorize it.