ICAO VFR and IFR Rules Flashcards
VMC
Visual Meteorological Conditions
IMC
Instrument Meteorological Conditions
VMC minima at or above 10,000ft
8km visibility
1500m horizontally clear of cloud
1000ft vertically clear of cloud
VMC minima between 10,000ft and 3000ft amsl (or 1000ft agl)
5km visibility
1500m horizontally clear of cloud
1000ft vertically clear of cloud
VMC minima below 3000ft amsl (or 1000ft agl) in Class A to E airspace?
5km visibility
1500m horizontally clear of cloud
1000ft vertically clear of cloud
VMC minima below 3000ft amsl or 1000ft agl in Class F and G airspace?
5km visibility
Clear of cloud and surface in sight
VFR flights shall not take-off or land at an Aerodrome in a Control Zone (CTR) in what conditions?
Cloud ceiling less than 1500ft
Ground visibility less than 5km
Special VFR flights may take-off and land at aerodromes within a Control Zone provided what conditions?
Visibility is greater than 1500m (3000m for EASA)
Cloud ceiling greater than 600ft
140kts IAS or less airspeed
VFR flight is not permitted in what airspace?
Class A
Special VFR
VFR flight cleared by ATC to operate within controlled airspace in meteorological conditions below VMC
VFR flights must not be flown over build up areas or open air assemblies below what?
1000ft above highest obstacle within 600m of aircraft
Lowest VFR flights can fly at
500ft
VFR flights must not operate above what FL and speeds?
Above FL195 at transonic/supersonic speeds
VFR flights may not operate above what FL in areas where vertical separation minimum up to what FL is 1000ft?
FL290 to FL410
IFR minimum flight altitude
1000ft (2000ft in high terrain or mountainous areas) above highest obstacle within 5nm of aircrafts position
Aircraft operating above FL195 in the EU must be equipped with what radio?
Radio with 8.33kHz channel spacing
Communication failure in IMC
1) Maintain last assigned speed and level/minimum flight altitude for 20 minutes
2) Proceed as per flight plan and hold over destination aerodrome nav aid
3) Descend from hold at Expected Approach Time (EAT) or flight plan ETA
4) Land within 30 mins of EAT or flight plan ETA (whichever is later)
Minimum vertical separation in EU RVSM airspace between aircraft with communication failure and other aircraft
2000ft
IFR Flights above 3000ft AMSL must be flown according to what rules?
Semi circular rules
Up to FL290, the ICAO semi circular rules give what minimum vertical separation between each IFR and VFR?
1000ft
Up to FL290, the ICAO semi circular rules give what minimum vertical separation between adjacent IFR and VFR?
500ft
RVSM
Reduced Vertical Separation Minima
Separation between layers in RVSM airspace between FL290 and FL410
1000ft
Aircraft operating in RVSM airspace must be fitted with either of what 2 things?
ACAS or TCAS
Semi circular rules are normally based on magnetic track apart from where?
Polar regions (latitudes higher than 70 degrees) where grid tracks are used
Minimum visibility and cloud base for VFR at night
5km and 1500ft
What must be in sight at all times when flying at or below 3000ft at night?
Surface