VFR
Noun
Meaning
(aviation, uncountable) Initialism of visual flight rules, a set of rules allowing a pilot to fly and navigate by sight references, rather than by relying on instruments.
(aviation, countable, uncountable) Initialism of (a person) visiting friends and relatives/relations.
The airline's business travel went up six percent, but VFR went up nine percent.
(uncountable, video compression) Initialism of variable frame rate.
Source: en.wiktionary.orgPhrases with the word
Examples
A scenario is a VFR pilot taking off in VMC conditions, but encountering deteriorating visibility while en route.
Depending on the category of airspace in which the flight is being conducted, VFR aircraft may be required to have a transponder to help Air Traffic Control identify the aircraft on radar in order that ATC can provide separation to IFR aircraft.
Beyond that, the case alleges that Island Express was only permitted to operate under visual flight rules, or VFR, as opposed to IFR, or instrument flight rules — the latter state of affairs also being referred to as “blind flying.”
For efficiency of operations, some ATC operations will routinely provide "pop-up" IFR clearances for aircraft operating VFR, but that are arriving at an airport that does not meet VMC requirements.
Any aircraft operating under VFR must have the required equipment on board, as described in FAR Part 91.205 http://rgl.
Centers may also "pick up" VFR aircraft that are already airborne and integrate them into the IFR system.