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31 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Quadrantal rule |
odd, odd + 500 ft, even, even + 500ft |
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Safety altitude - highest fixed object within 5 NM is ground below 500 ft |
Assume ground 499 ft + assumed obstacle 299 ft = 798 ft Add 1000 ft Round up to nearest 100 ft |
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Safety altitude - highest fixed object within 5 NM is ground 500 ft or higher.
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Add assumed obstacle 299 ft Add 1000 ft Round up to nearest 100 ft |
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Safety altitude - highest fixed object within 5 NM is obstacle with given height. |
Obstacle elevation Add 1000 ft Round up to nearest 100 ft |
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Semicircular Rule VFR/IFR cruising level system is based on magnetic heading or magnetic track? |
Magnetic track. |
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Position report. |
'G-BNVE, PA28, overhead Daventry VOR (10)04, altitude 3000 ft on 1013, estimate Coventry at (10)18' |
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ISOL |
ISOLATED max spatial coverage < 25%, features can be avoided |
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OCNL |
OCCASIONAL max spatial coverage 25% to 50%, features can be avoided |
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FRQ |
FREQUENT max spatial coverage > 50%, convective types only, DIFFICULT to avoid |
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WDSPR |
WIDESPREAD max spatial coverage > 50%, convective AND non-convective types, DIFFICULT to avoid |
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What’s the formula for time [min] if distance [NM] and GS [kts] are known? |
time [min] = ( distance [NM] / GS [kt] ) * 60 |
Tip: if approximating in head, multiply distance by 60 first, then divide e.g.: 10 NM * 60 = 600 600 / 105 [kt] = approx. 6 [min] |
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QDR |
is MAGNETIC bearing of the AIRCRAFT from the station |
e.g. VOR radial |
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QTE |
is TRUE bearing of the AIRCRAFT from the station |
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QDM |
is MAGNETIC bearing of the STATION from the aircraft |
e.g. magnetic heading to fly TO the VOR |
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QUJ |
is TRUE bearing of the STATION from the aircraft |
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VDF bearing accuracy CLASS A? |
+/- 2 degrees |
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VDF bearing accuracy CLASS B? |
+/- 5 degrees |
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VDF bearing accuracy CLASS C? |
+/- 10 degrees |
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VDF bearing accuracy CLASS D? |
Exceeding +/- 10 degrees |
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What’s ASI behaviour on climb when Pitot tube is blocked? |
ASI behaves like ‘altimeter’, speed increases on climb, speed decreases on descend. |
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What’s ASI behaviour on descend when Pitot tube is blocked? |
ASI behaves like ‘altimeter’, speed increases on climb, speed decreases on descend. |
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What’s ASI behaviour on climb when static vent is blocked? |
During the climb Pitot static pressure is less and decreasing than vent static pressure, the Pitot dynamic pressure is decreased by this difference, ASI underreads. |
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What’s ASI behaviour on descend when static vent is blocked? |
During the descend Pitot static pressure is greater than vent static pressure, the Pitot dynamic pressure is increased by this difference, ASI overreads- DANGER! |
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ASI over-reads in what TWO scenarios? |
blocked Pitot tube on climb (icing, left Pitot tube cover) blocked static vent on descend (icing) |
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If an aircraft is at 2000 ft and the VOR transmitter (VHF) has an elevation of 250 ft, what is the line of sight range in NM? |
range = 1.25 x [ sqrt( height of aircraft ft) + sqrt( elevation of transmitter ft) ] = 76 NM |
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Convert 1 NM to meters? |
1NM = 1852 m |
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Convert 1000 ft to metres? |
1000 ft = 304.8 m |
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Convert 1 US.Gal to litres. |
1 US.Gal is 3.785 412 litres. |
Mnemonic: 1 US.Gal to prawie cztery litry, a 1 Imp.Gal to cztery i pół litra. |
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Convert 1 Imp.Gal to litres. |
1 Imp.Gal is 4.546 09 litres. |
Mnemonic: 1 US.Gal to prawie cztery litry, a 1 Imp.Gal to cztery i pół litra. |
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What is meaning of the abbreviation RAPID, that may be used in a TAF or METAR? |
Rapid change (within next 30 mins). |
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What is the meaning of NOSIG? |
No significant change in forecast during the 2 hours following the observation. |
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