Glossary
Flight Operations
Great Circle Distance
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Definition
Shortest distance between two points on Earth's surface, following the curvature
Frequently Asked Questions
What is Great Circle Distance (GCD)?
Shortest distance between two points on Earth's surface, following the curvature
What does GCD stand for?
GCD stands for Great Circle Distance (GCD). Shortest distance between two points on Earth's surface, following the curvature
Flight Operations
- Block Time
- Flight Time
- Deadhead
- Taxi Time
- Great Circle Route
- Flight Number
- Flight Level (FL)
- Slot Time (CTOT)
- Transpolar Route
- Red-Eye Flight
- Ferry Flight / Positioning Flight
- Flight Diversion
- Go-Around / Missed Approach
- Aircraft Registration
- Air Traffic Control (ATC)
- Flight Plan
- Callsign
- Holding Pattern
- Crew Duty Time
- Slot Swap
- Reduced Vertical Separation Minimum (RVSM)
- Performance-Based Navigation (PBN)
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