Visual Approach Slope Indicator(VASI)
Definition
A system of lights beside the runway indicating approach angle. Two-bar VASI shows red over white for on glidepath. Red over red means too low. White over white means too high.
Why Visual Approach Slope Indicator Matters for Pilots
Operational knowledge like Visual Approach Slope Indicator is tested across multiple FAA and EASA exam subjects. Pilots who understand Visual Approach Slope Indicator can operate more safely and efficiently, whether flying light aircraft or commercial airliners. This concept comes up in both written tests and practical checkrides.
Exam Tip
This concept is commonly tested in operations-related questions on FAA and EASA exams. Make sure you can explain Visual Approach Slope Indicator in your own words for the oral exam. Practice applying this concept to real-world scenarios, not just memorizing the definition.
Related Terms
Share this with a fellow pilot
Related Content
Weather Radar
Aviation glossary definition and exam tips.
Range
Aviation glossary definition and exam tips.
Threat Error Management
Aviation glossary definition and exam tips.
ATPL Theory Complete Guide
Master every subject covered in airline pilot exams.
Free Practice Exam
Test your aviation knowledge with real exam questions.
Study Visual Approach Slope Indicator with Rotate
Unlock All Study Materials — $7.49/mo
1,800+ practice questions covering Visual Approach Slope Indicator and every exam topic. Flashcards, study guides, and progress tracking. 94% first-attempt pass rate.
Test your knowledge
Think you understand Visual Approach Slope Indicator? Challenge yourself with practice questions covering operations and all other exam subjects.
Try Free Practice QuestionsMore Operations Terms
Instrument Approach
A series of predetermined maneuvers using flight instruments to guide an aircraf...
Decision Height/Altitude(DH/DA)
The height during a precision approach at which the pilot must decide to land or...
Minimum Descent Altitude(MDA)
The lowest altitude to which descent is authorized during a non-precision approa...
Missed Approach
A procedure executed when an instrument approach cannot be completed to a landin...