← Glossary|Tiếng Việt
Performance

VREF(Vref)

Definition

Reference landing speed, typically 1.3 times VS0 for the landing weight and configuration. The target speed crossing the runway threshold to ensure adequate margin above stall.

Related Terms

Test your knowledge

Think you understand VREF? Challenge yourself with practice questions covering performance and all other ATPL subjects.

Start a Practice Quiz

Or browse all questions by subject