12 Questions
What is the range of a VOR in terms of line of sight?
200 NM
What does VOR stand for in aviation?
VHF Omnidirectional Range
What are the two signals transmitted by a VOR?
Reference and Directional signals
What is the purpose of measuring the phase difference between the directional signal and the reference signal in a VOR?
To identify the radial the aircraft is located on
What does RNP stand for in aviation navigation terminology?
Required Navigation Performance
What condition must be met for an aircraft to operate in certain high-level airspace based on ANP and RNP values?
ANP must be greater than RNP
What does a PAPI show when displaying 3 red lights and 1 white light?
Slightly below glide path
In a METAR report, what does SN indicate?
Snow
Which category does an aircraft belong to if its weight is 145,000 kg?
H
What does ATS stand for in relation to SIGMET information?
Air Traffic Service
What is the meaning of the term 'BECMG' in a TAF report?
Temporary change
Based on the text, what is the approach category for an aircraft with a speed at threshold of 130 knots?
> 140 knots
Learn about the principles of VOR (VHF Omnidirectional Range) system, its radials, signals, and operational details for aircraft navigation.
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