Flight duty period extensions
Read the official ruleThis regulation allows flight duty periods to be extended beyond normal limits when unforeseen operational circumstances occur.
Before takeoff: The pilot in command and certificate holder may extend the maximum flight duty period up to 2 hours. However, extensions beyond 30 minutes can only happen once before the crew receives required rest. Extensions cannot cause pilots to exceed cumulative flight duty limits. Any extension over 30 minutes must be reported to the FAA within 10 days, explaining what happened and—if the situation was within the airline's control—what corrective actions will be taken within 30 days.
After takeoff: Extensions may go as far as necessary to safely land at the next destination or alternate airport. Extensions over 30 minutes can only occur once before rest. Unlike pre-takeoff extensions, these *may* exceed cumulative limits. Extensions over 30 minutes or those exceeding cumulative limits must be reported within 10 days.
This provides operational flexibility for weather delays, mechanical issues, or other unexpected situations while maintaining safety oversight.
*This is a plain-English summary for study only. The official 14 CFR text on this page is controlling — always read the current regulation and consult a CFI.*