Which statement correctly describes the relationship between TOFA and ROFA?

Which statement correctly describes the relationship between TOFA and ROFA?

• A. TOFA is more stringent than ROFA because aircraft wings often extend past the paved surface.
• B. TOFA and ROFA have identical requirements.
• C. TOFA is less stringent than ROFA.
• D. ROFA applies only to passenger terminals.

Answer: (A)

The main idea is how much clearance is required around the runway for aircraft during takeoff and the early climb. TOFA, or Take-off and Initial Climb Obstacle Free Area, provides obstacle clearance for the aircraft in that phase, including space beyond the paved runway where the wings can extend as the aircraft rotates. Because wings (and other surfaces) can reach past the runway edges during rotation, TOFA requires more clearance than ROFA, which covers the obstacle-free area primarily around the paved runway itself. So TOFA is more stringent than ROFA to ensure safety during takeoff when the aircraft’s wings extend beyond the pavement. The other statements don’t fit because ROFA isn’t identical to TOFA, TOFA isn’t less stringent, and ROFA isn’t limited to passenger terminals.

The main idea is how much clearance is required around the runway for aircraft during takeoff and the early climb. TOFA, or Take-off and Initial Climb Obstacle Free Area, provides obstacle clearance for the aircraft in that phase, including space beyond the paved runway where the wings can extend as the aircraft rotates. Because wings (and other surfaces) can reach past the runway edges during rotation, TOFA requires more clearance than ROFA, which covers the obstacle-free area primarily around the paved runway itself. So TOFA is more stringent than ROFA to ensure safety during takeoff when the aircraft’s wings extend beyond the pavement. The other statements don’t fit because ROFA isn’t identical to TOFA, TOFA isn’t less stringent, and ROFA isn’t limited to passenger terminals.