Plain English Meaning
An official FAA rulebook written specifically for one company. It spells out exactly what kinds of flying that company is allowed to do, where, how, and under what conditions.
Full Definition
A set of FAA-issued documents that authorize a commercial operator (such as an air carrier or charter company) to conduct specific types of operations and define the conditions, limitations, and procedures under which those operations must be carried out. Operations specifications are issued under the operator's certificate and have the force of regulation for that operator.
Context Anchor
Seen in instrument procedure and company-operations discussions, especially when an airline, charter company, or other certificated operator may have approvals that differ from the basic rules for a typical private pilot.