IFR aircraft

IFR (instrument flight rules) aircraft

An aircraft conducting its flight in accordance with instrument flight rules.
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Higher level terminal facilities such as the SoCal and NorCal Tracons have what they call "enter and exit gates." One of the jobs approach control has is getting IFR aircraft safely out of the airspace and providing a smooth handoff to the next sector or adjacent approach control.
Having an IFR aircraft swooping all over the place in poor visibility is rather counterintuitive to that goal, considering we need at least 1000 feet vertical or three miles horizontal between them and other IFR airplanes.
Now consider those same two questions with regard to IFR aircraft. With transponder technology, these aircraft reveal their locations electronically by broadcasting them using their transponders.
The Sun Flyer 4 is a day/night IFR aircraft with an 800-pound payload capable of 120-knot max cruise speed, a four-hour endurance, and $18 per hour direct operating costs.
But in lower-end certified aircraft, some owners are stuck with steam gauges because high-end, high-priced PFD products like the Garmin G500 and Aspen's own Evolution are geared toward IFR aircraft and pilots with IFR missions.
Entering the emergency code begins the process of clearing those pesky IFR aircraft out of your way.
(12) Although both the pilot and air traffic controllers share responsibility for the safe conduct of a VFR flight, it is not enough for a controller to warn only IFR aircraft of other traffic and let the VFR planes fend for themselves.
Among the caveats, though, is the fact that the guaranteed traffic separation works great with IFR aircraft, but not so much with VFR aircraft.
It's a departure option for an IFR aircraft operating in VMC equal to or greater than the specified visibility and ceiling, to visually conduct climbing turns over the airport to the published "climb-to" altitude from which to proceed with the rest of the departure.
One thing that keeps getting forgotten with ADS-B is the VFR aircraft or the low-end IFR aircraft. If you don't have a WAAS navigator--and there is zero reason to spend the money to put one in a VFR aircraft--then you are talking some big bucks to comply with the NPRM with the 330ES.