ICAO VFR and IFR Rules

Question 1

VMC

Answer 1

Visual Meteorological Conditions

Question 2

IMC

Answer 2

Instrument Meteorological Conditions

Question 3

VMC minima at or above 10,000ft

Answer 3

8km visibility
1500m horizontally clear of cloud
1000ft vertically clear of cloud

Question 4

VMC minima between 10,000ft and 3000ft amsl (or 1000ft agl)

Answer 4

5km visibility
1500m horizontally clear of cloud
1000ft vertically clear of cloud

Question 5

VMC minima below 3000ft amsl (or 1000ft agl) in Class A to E airspace?

Answer 5

5km visibility
1500m horizontally clear of cloud
1000ft vertically clear of cloud

Question 6

VMC minima below 3000ft amsl or 1000ft agl in Class F and G airspace?

Answer 6

5km visibility
Clear of cloud and surface in sight

Question 7

VFR flights shall not take-off or land at an Aerodrome in a Control Zone (CTR) in what conditions?

Answer 7

Cloud ceiling less than 1500ft
Ground visibility less than 5km

Question 8

Special VFR flights may take-off and land at aerodromes within a Control Zone provided what conditions?

Answer 8

Visibility is greater than 1500m (3000m for EASA)

Cloud ceiling greater than 600ft

140kts IAS or less airspeed

Question 9

VFR flight is not permitted in what airspace?

Answer 9

Class A

Question 10

Special VFR

Answer 10

VFR flight cleared by ATC to operate within controlled airspace in meteorological conditions below VMC

Question 11

VFR flights must not be flown over build up areas or open air assemblies below what?

Answer 11

1000ft above highest obstacle within 600m of aircraft

Question 12

Lowest VFR flights can fly at

Answer 12

500ft

Question 13

VFR flights must not operate above what FL and speeds?

Answer 13

Above FL195 at transonic/supersonic speeds

Question 14

VFR flights may not operate above what FL in areas where vertical separation minimum up to what FL is 1000ft?

Answer 14

FL290 to FL410

Question 15

IFR minimum flight altitude

Answer 15

1000ft (2000ft in high terrain or mountainous areas) above highest obstacle within 5nm of aircrafts position

Question 16

Aircraft operating above FL195 in the EU must be equipped with what radio?

Answer 16

Radio with 8.33kHz channel spacing

Question 17

Communication failure in IMC

Answer 17

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)

Question 18

Minimum vertical separation in EU RVSM airspace between aircraft with communication failure and other aircraft

Answer 18

2000ft

Question 19

IFR Flights above 3000ft AMSL must be flown according to what rules?

Answer 19

Semi circular rules

Question 20

Up to FL290, the ICAO semi circular rules give what minimum vertical separation between each IFR and VFR?

Answer 20

1000ft

Question 21

Up to FL290, the ICAO semi circular rules give what minimum vertical separation between adjacent IFR and VFR?

Answer 21

500ft

Question 22

RVSM

Answer 22

Reduced Vertical Separation Minima

Question 23

Separation between layers in RVSM airspace between FL290 and FL410

Answer 23

1000ft

Question 24

Aircraft operating in RVSM airspace must be fitted with either of what 2 things?

Answer 24

ACAS or TCAS

Question 25

Semi circular rules are normally based on magnetic track apart from where?

Answer 25

Polar regions (latitudes higher than 70 degrees) where grid tracks are used

Question 26

Minimum visibility and cloud base for VFR at night

Answer 26

5km and 1500ft

Question 27

What must be in sight at all times when flying at or below 3000ft at night?

Answer 27

Surface