Instrument Flight Rules
INSTRUMENT FLIGHT RULES- Rules governing the procedures for conducting instrument flight. Also a term used by pilots and controllers to indicate type of flight plan.
(See VISUAL FLIGHT RULES.)
(See ICAO term INSTRUMENT FLIGHT RULES.)
INSTRUMENT FLIGHT RULES [ICAO]- A set of rules governing the conduct of flight under instrument meteorological conditions.
(Refer to AIM.)
From the Pilot's Handbook of Aeronautical Knowledge:
- Instrument approach procedures (IAP) - A series of predetermined maneuvers for the orderly transfer of an aircraft under IFR from the beginning of the initial approach to a landing or to a point from which a landing may be made visually.
FARs specific to IFR flight
12 regulations in the FARs apply to all IFR flight:
- §91.167 Fuel requirements for flight in IFR conditions.
- §91.169 IFR flight plan: Information required.
- §91.171 VOR equipment check for IFR operations.
- §91.173 ATC clearance and flight plan required.
- §91.175 Takeoff and landing under IFR.
- §91.177 Minimum altitudes for IFR operations.
- §91.179 IFR cruising altitude or flight level.
- §91.180 Operations within airspace designated as Reduced Vertical Separation Minimum airspace.
- §91.181 Course to be flown.
- §91.183 IFR communications.
- §91.185 IFR operations: Two-way radio communications failure.
- §91.187 Operation under IFR in controlled airspace: Malfunction reports.