Hazmat, Security & Emergency Response
Hazmat, Security & Emergency Response is a core knowledge area on the Aircraft Dispatcher FAA written exam. This hub collects our 9 in-depth, ACS-aligned hazmat, security & emergency response articles — each written in plain English and grounded in the official FAA handbooks. Work through them below, then drill the topic with practice questions.
Dangerous Goods Notification to the Pilot in Command (NOTOC)
The NOTOC (Notification to the Pilot in Command) is a required written document informing the PIC of any dangerous goods loaded aboard a commercial flight, their quantity, location, and handling instructions, as mandated by 49 CFR Part 175 and 14 CFR 121.557.
Dispatcher Communications and Flight Following Responsibilities En Route
Aircraft dispatchers share authority with the captain for en route flight safety and must coordinate hazmat notifications, security threats, and emergency responses under 14 CFR 121.557 and 49 CFR 175.
Hazardous Materials Recognition and Acceptance Rules for Dispatch
Aircraft dispatchers must recognize regulated hazardous materials and apply strict acceptance rules before releasing a flight; errors can jeopardize the aircraft, crew, and passengers.
Emergency Authority of the Dispatcher Under 14 CFR 121.557 and 121.559
Under 14 CFR 121.557 and 121.559, an aircraft dispatcher holds independent emergency authority to take any action necessary to safeguard an aircraft and its occupants, including canceling or diverting a flight without waiting for pilot concurrence.
Handling In-Flight Emergencies and Diversions From the Dispatch Desk
Aircraft dispatchers share legal responsibility for flight safety and must coordinate emergency responses, diversions, and hazmat incidents from the operations desk under 14 CFR 121.557 and related regulations.
Security Threats, Bomb Threats, and Dispatcher Notification Procedures
Aircraft dispatchers have specific regulatory duties when security threats or bomb threats arise, including immediate notification of the PIC and coordination with company operations under 14 CFR 121.557 and 49 CFR 175.
Irregular Operations (IROPS): Delays, Cancellations, and Recovery Planning
Aircraft dispatchers must understand irregular operations (IROPS) procedures—including delay management, cancellation authority, and system recovery planning—as defined under 14 CFR 121.557 and supporting regulations.
Coordinating Medical Diversions and Suitable-Airport Selection
When a medical emergency arises in flight, the aircraft dispatcher and pilot-in-command share joint responsibility for selecting a suitable diversion airport and coordinating the response under 14 CFR 121.557 and 49 CFR 175.
Post-Incident Recordkeeping, ASAP Reporting, and Dispatch Documentation
Aircraft dispatchers must understand post-incident documentation obligations, voluntary ASAP safety reporting, and dispatch release recordkeeping under 14 CFR 121 and 49 CFR 175 to maintain compliance and support continuous safety improvement.
More Aircraft Dispatcher subjects
Articles are original summaries grounded in the public-domain FAA handbooks and cite their source. ACS-aligned study aids — not a substitute for the official handbooks or regulations.