1. IFR - Noun
2. IFR - Proper noun
IFR
(nuclear physics, engineering) Initialism of Integral Fast Reactor.
(aviation, pilot training) Initialism of instrument flight rules, a set of rules for a pilot flying on instruments, primarily as a means of navigating through inclement weather.
(epidemiology) Initialism of infection fatality rate.
Source: en.wiktionary.orgAccording to a report by foreign brokerage Credit Suisse, some studies of age adjusted mortality show that India is not an outlier, and lower age/lower viral loads outside big cities may explain the low IFR. Source: Internet
Additionally, an IFR flight plan must usually be filed in advance. Source: Internet
After the Iowa Freedom Riders’ success in getting the Iowa City Council to address their city-level demands last week, IFR turned their attention to their state-level demands and Gov. Kim Reynolds on Monday. Source: Internet
;"cleared to Stockton Airport": Clearance Limit: the farthest destination the aircraft is allowed to go under IFR (in most cases it is the destination airport). Source: Internet
ATC is especially important for aircraft flying under instrument flight rules (IFR), where they may be in weather conditions that do not allow the pilots to see other aircraft. Source: Internet
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. Source: Internet