Glideslope(GS)
Definition
The vertical guidance component of an ILS providing a descent path typically set at 3 degrees. The glideslope ensures proper height over the runway threshold for a stabilized approach.
Why Glideslope Matters for Pilots
Navigation concepts like Glideslope are tested on instrument rating exams and are essential for safe cross-country flying. Whether you are planning a VFR flight or navigating under IFR, a solid understanding of Glideslope ensures you can find your way accurately and efficiently.
Exam Tip
This concept is commonly tested in navigation-related questions on FAA and EASA exams. Make sure you can explain Glideslope in your own words for the oral exam. Practice applying this concept to real-world scenarios, not just memorizing the definition.
Related Terms
Instrument Landing System(ILS)
A precision approach system providing lateral guidance via the localizer and ver...
Localizer(LOC)
The lateral guidance component of an ILS providing precise runway centerline ali...
Decision Height/Altitude(DH/DA)
The height during a precision approach at which the pilot must decide to land or...
Share this with a fellow pilot
Related Content
Atp Cas
Aviation glossary definition and exam tips.
Fuel Selector
Aviation glossary definition and exam tips.
Task Saturation
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 Glideslope with Rotate
Unlock All Study Materials — $7.49/mo
1,800+ practice questions covering Glideslope and every exam topic. Flashcards, study guides, and progress tracking. 94% first-attempt pass rate.
Test your knowledge
Think you understand Glideslope? Challenge yourself with practice questions covering navigation and all other exam subjects.
Try Free Practice QuestionsMore Navigation Terms
VHF Omnidirectional Range(VOR)
A ground-based radio navigation aid transmitting radials in all directions. Pilo...
Distance Measuring Equipment(DME)
A radio navigation system that measures the slant range distance between an airc...
Non-Directional Beacon(NDB)
A ground-based radio transmitter that broadcasts on low/medium frequencies used ...
Instrument Landing System(ILS)
A precision approach system providing lateral guidance via the localizer and ver...