In a recently issued Information for Operators (InFO), the FAA warned that “many operators or pilots are referencing or using the wrong runway length source data when performing takeoff and landing data calculations,” adding that this type of error could lead to inaccurate aircraft performance calculations and possible runway overrun.
Guidance in the InFO emphasizes that runway information varies depending on the source and that not all published runway lengths are suitable for regulatory performance calculations. While the FAA publishes runway length and width data in the Chart Supplement, the InFO notes that operators must pay particular attention to declared distances—takeoff distance available, takeoff run available, accelerate-stop distance available, and landing distance available—when determining whether a runway can be accepted.
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