Create
Learn
Share

VFR Flight Not Recommended

rename
randomx's version from 2016-07-22 14:37

Section

Question Answer
LIFR stands for Low IFR (IMC) Visibility < 1 mile and/or a Ceiling of < 500 feet
IMC stands for Instrument Meteorological Conditions (IMC)Visibility 1 to 3 miles and/or a Ceiling from 500 to 1000 feet
MVFR stands for Marginal VFR (VMC)Visibility 3 to 5 miles and/or a Ceiling from 1000 to 3000 feet
VMC stands for Visual Meteorological Conditions (VMC)Visibility > 5 miles and a Ceiling of > 3000 feet
VFR Flight Not Recommended meansYou have to ask what's causing the phrase to appear in your briefing, and how those conditions will affect your proposed flight.
memorize

Other Factors with a Big Impact on your Marginal Weather Go/No-Go Decision

Question Answer
What are other factors?Especially lighting conditions and the terrain over which you will fly.
memorize

If you are doing a VFR flight and the outlook is MVFR (MVFR Conditions)

Question Answer
and you are flying over flat land during the dayThe suggestion is GO*
and you are flyingover flat land during the nightThe suggestion is NO-GO
and you are flyingover an unfamiliar area during the dayThe suggestion is GO*
and you are flyingover an unfamiliar area during the nightThe suggestion is NO-GO
and you are flyingover mountains or water during the dayThe suggestion is NO-GO
and you are flyingover mountains or water during the nightThe suggestion is NO-GO
memorize

 

* With precise preflight planning to include route, alternates, and minimum safe altitudes for each segment of the flight, positive en route navigation and improving weather conditions within easy range at all times.: