Un compte Premium offert sur le site FCL.055 ! Rendez-vous sur www.fcl055-exam.fr puis créez un compte avec le même email que celui...   [Lire la suite]


During approach the following data are obtained .dme 12 0 nm altitude 3000 ? [ Multiple protocol ]

Question 174-1 : 570 ft/min 600 ft/min 730 ft/min 700 ft/min

Admin .12 nm 9 8 nm = 2 2 nm.3000 ft 2400 ft = 600 ft.2 2 nm / 125 kt = 0 0176 h >1 056 min.600 ft / 1 056 = 568 ft/min exemple 274 570 ft/min.570 ft/min.

The distance between a and b is 90 nm at a distance of 75 nm from a the ?

Question 174-2 : 3°r 6°r 19°r 22°r

Admin .use the one in sixty rule .track error angle from a = distance off track x 60 / distance along track.track error angle from a = 4 nm x 60 / 75 nm.track error angle from a = 3°r exemple 278 3°r.3°r.

The true course according to the flight log is 270° the forecast wind is 045° ?

Question 174-3 : 5°l 6°r 2°l 3°r

Admin . 1798.with forecasted wind our ground speed is 130 kt .at 130 kt and 15 minutes of flight we will be at 32 5 nm from a .but the question states 2 5 nm ahead of the dead reckoning position so we are at 35 nm from a .use the one in sixty rule .track error angle from a = 3 nm x 60 / 35 nm = 5° exemple 282 5°l.5°l.

An aircraft flies from waypoint 7 63°00'n 073°00'w to waypoint 8 62°00'n ?

Question 174-4 : 4 7 nm right 8 8 nm right 8 8 nm left 4 7 nm left

Admin .1° longitude at equator = 60 nm.1° long at 60°lat = 30 nm.10' off track is 5 nm 10' = 1/6 from 1h so 1/6 from 30 nm is 5 nm 30 / 6 .as we are heading along meridian from 63°n to 62°n out true course is 180° and as we have ended up at 73°10' this is right of the track so 5 nm right .mathematically .distance nm = chlong in minutes * coslat.distance = 10 x cos62°.distance = 4 7 nm exemple 286 4,7 nm right.4,7 nm right.

An aircraft is departing from an airport which has an elevation of 2000 ft and ?

Question 174-5 : 7 2 nm 8 8 nm 10 8 nm 6 6 nm

Admin .1013 hpa 1003 hpa = 10 hpa > 300 ft 10 x 30 ft .2000 ft + 300 ft = 2300 ft.5000 ft 2300 ft = 2700 ft 2700 ft to climb .2700 ft / 500 ft/min = 5 4 min > 0 09h 5 4 / 60 .gs = 80 kt 100 kt tas 20 headwind component .80 kt x 0 09h = 7 2 nm exemple 290 7.2 nm.7.2 nm.

You are departing from an airport which has an elevation of 1500 ft the qnh is ?

Question 174-6 : 800 ft/min 870 ft/min 730 ft/min 530 ft/min

Admin .7500 1500 = 6000 ft.6000 / 7 5 = 800 ft/min exemple 294 800 ft/min.800 ft/min.

An aircraft is flying at fl200 .the qnh given by a meteorological station at an ?

Question 174-7 : 10 500 ft 9 200 ft 11 800 ft 20 200 ft

Admin .find the qnh altitude 1013 998 2 = 14 8 x 27 = 400 ft.altitude is 19600ft qnh .with aviat 617 computer .against altitude pressure = 20 put °c oat = 40 .then read in the inner circle the altitude 19600 the.on the outer circle 18400 true altitude .18400 8000ft = 10400ft = approximate clearance over the obstacle .for information 061 general navigation learning objectives states for questions involving height calculation 30 ft/hpa is to be used unless another figure is specified in the question exemple 298 10 500 ft.10 500 ft.

The qnh given by a station at 2500 ft is 980hpa .the elevation of the highest ?

Question 174-8 : 10 400 ft 10 000 ft 11 200 ft 9 700 ft

Admin .we need to be at 10000 ft to avoid the obstacle by 2000 ft .temperature correction formula 4° x 10 x 10° = 400 ft.the altimeter over reading in cold air and if we flew exactly at 10000 ft indicated our true altitude would be 9600 ft .we need to cruise at 10000 + 400 = 10400 ft indicated in order to maintain a clearance of 2000 ft exemple 302 10 400 ft.10 400 ft.

An aircraft is departing from an airport which has an elevation of 2000 ft ?

Question 174-9 : 276 kt 289 kt 244 kt 331 kt

Admin . by convention at the exam easa specification average tas used for climb problems is calculated at the altitude 2/3 of the cruising altitude .temperature is 0°c at 2000 ft .approximately 4° at sea level we 'gain' 2°c per 1000 ft while descending .21000 ft x 2°/1000ft = 42°c.4°+ 42° = 38°c.temperature is around 38°c at fl210 .on computer in airspeed window set press alt '21' in front of coat °c ' 38°c' on the outer scale in front of cas 200 kt you can read tas 272 kt exemple 306 276 kt.276 kt.

During visual navigation in freezing conditions after heavy snowfall which of ?

Question 174-10 : A large river a country road a railway an electrical line

Admin .after heavy snowfall roads will not have been cleared by snow ploughs neither country road or railway a large river may freeze but you will always be able to distinguish its path exemple 310 A large river.A large river.

During a climb at a constant cas below the tropopause in standard conditions ?

Question 174-11 : Both tas and mach number will increase tas will decrease but mach number will increase both tas and mach number will decrease tas will increase and mach number will decrease

Admin .for those questions use the very simple 'ertm' diagram . 1037.the cas line is vertical because the question states climb at a constant calibrated airspeed cas . ertm for e as/ r as rectified air speed or cas / t as/ m ach exemple 314 Both tas and mach number will increase.Both tas and mach number will increase.

An aircraft is descending down a 12% slope whilst maintaining a gs of 540 kt ?

Question 174-12 : 6500 ft/min 650 ft/min 4500 ft/min 3900 ft/min

Admin .vertical speed = 12% gradient x 540 kt.vertical speed = 6480 ft/min exemple 318 6500 ft/min.6500 ft/min.

The departure airfield is at 2000 ft elevation temperature at the field is ?

Question 174-13 : Fl 200 with temperature 20°c fl 290 with temperature 40°c fl 100 with temperature 10°c fl 150 with temperature 0°c

Admin .by convention at the exam easa specification average tas used for climb problems is calculated at the altitude 2/3 of the cruising altitude .29000 2000 = 27000 ft.2/3 de 27000 = 18000 ft .18000 + 2000 = 20000 ft fl200 .température à 20000 ft = 20°c + 20 x 2°c = 20°c exemple 322 Fl 200 with temperature -20°c.Fl 200 with temperature -20°c.

The departure is from an airfield at 2000 ft elevation temperature at the field ?

Question 174-14 : 249 kt 230 kt 221 kt 180 kt

Admin .1 29000 2000= 27000ft.2 27000* 2/3 = 18000.3 18000+2000 = 20000 your average alt in climb patern .4 if oat at 2000 alt is +20 so at 20000 will be +20 reference figure 2*18 18 height explanation 2*18 because temp decrease 2 deg per 1000 ft . .5 align temp 16 with 22000 ft in th air speed window cr 3 or iwa 11092 and read oposit 180 kt your 249 tas at outer scale.this is only the way to solve tasks like this exemple 326 249 kt.249 kt.

Given .w/v at arrival aerodrome at 1000 ft amsl is 230°/15kt w/v at tod at fl ?

Question 174-15 : 163 kt 155 kt 180 kt 174 kt

Admin .at fl130 isa condition .ias=170kt => tas=206kt .we have w/v 280°/45kt => drift 12°l so mh=232° to get an average track of 220°.so gs= 178kt with computer.at 1000ft amsl isa condition .ias=170kt => tas=172kt .we have w/v 230°/15kt => drift 1°l so mh=221° to get an average track of 220°.so gs= 157kt with computer.as a result the average gs for the descent is 157+178 /2 = 167 5kt exemple 330 163 kt.163 kt.

Given .w/v at arrival aerodrome at msl is 200°/20kt w/v at tod at fl 100 is ?

Question 174-16 : 135 kt 145 kt 120 kt 150 kt

exemple 334 135 kt.135 kt.

An aircraft is cruising in fl180 and thereafter descends to ground level the ?

Question 174-17 : 270°/40 kt 270°/20 kt 270°/35 kt 280°/50 kt

Admin .by convention average wind velocity used for climb problems is wind velocity at the altitude 2/3 of the cruising altitude .average wind velocity used for descent problems is wind velocity at the altitude 1/2 of the descent altitude exemple 338 270°/40 kt.270°/40 kt.

The distance between two waypoints is 150 nm to calculate compass heading the ?

Question 174-18 : 10 nm 15 nm 7 nm 20 nm

Admin .for each degree of error that you have at every 60 nm of travel you will be 1 nm off track .you have 150/60 2 5 nm off track for each degree of error .total error is 4° from 2°e to 2°w .4° x 2 5 nm = 10 nm .using goniometric functions .tan4° = / 150. = tan4° x 150. = 10 nm exemple 342 10 nm.10 nm.

True track 085°.groundspeed 180 kt.wind 290°/30kt.variation 4°e .the ?

Question 174-19 : 2 5° l 2 5° r 1° l 1° r

Admin .tke = distance off track x 60 / distance along track.tke = 1 5 nm x 60 / 36 nm = 2 5°.the aircraft has drifted to the left therefore tke is 2 5° left exemple 346 2.5° l.2.5° l.

With only a visual straight line as visual cue a canal for example this line ?

Question 174-20 : More or less perpendicular to our track more or less parallel to our track curved across our track oblique to our track

exemple 350 More or less perpendicular to our track.More or less perpendicular to our track.

Given .a descending aircraft flies in a straight line to a dme .dme 55 nm ?

Question 174-21 : 3 70% 4 10% 3 50% 3 90%

Admin .33000 30500 = 2500 ft.55 nm 43 9nm = 11 1 nm.11 1 nm = 67488 ft.2500 = 67488 x x.x= 2500 / 67488 = 0 0370 3 7% exemple 354 3.70%.3.70%.

The descent gradient of an aircraft with the following data is . 60 nm norths ?

Question 174-22 : 5 4% 6 4% 7 6% 4 5%

Admin .total ground distance is 60+10 = 70 nm .altitude difference is 35000 12000 = 23000 ft .gradient in % = altitude difference in ft x 100 / ground distance in ft..ground distance in feet 70 nm x 6080 ft = 425600 ft.gradient in % = 23000 x 100 / 425600 = 5 4% exemple 358 5.4%5.4%

The average tas climbing from 1500 ft to fl180 with a given temperature of isa ?

Question 174-23 : 283 kt 309 kt 261 kt 274 kt

Admin . by convention at the exam easa specification average tas used for climb problems is calculated at the altitude 2/3 of the cruising altitude .1032 1013 = 19 hpa.19 hpa x 30 ft = 570 ft .18000 + 570 = 18570 ft.2/3 of 18570 = 12380 ft .to convert cas to tas 1% for each 600 ft and 0 2% for each degree of isa deviation.tas = cas x 12380/600 + 0 2% x 15°c = 230 x 20% + 3% = 282 9 kt exemple 362 283 kt.283 kt.

An aircraft is turning on a final approach to intercept a 3° glide slope which ?

Question 174-24 : 1916 ft 700 ft 1220 ft 1290 ft

Admin .1 in 60 rule is a rule of thumb . 3° x 4 nm /60 = 0 2 nm .0 2 nm x 6080 ft = 1216 ft .add 700 ft since we are looking for an altitude = 1216 + 700 = 1916 ft exemple 366 1916 ft.1916 ft.

Given .tas 220 kt.cruising level fl180.track during climb 080°.wind at msl ?

Question 174-25 : 262 kt 259 kt 254 kt 273 kt

Admin .we have to use the wind at the altitude 2/3 of the cruising altitude .fl180 x 2/3 = fl120.wind changes by 30° from ground to fl180 an speed increases from 30 kt .mean wind at fl120 is 260°+20° and 25kt+20kt = 280°/45kt .with your nav computer you will find 262 kt exemple 370 262 kt.262 kt.

An aircraft climbs from ground level to fl180 the following wind information is ?

Question 174-26 : 280°/50 kt 285°/55 kt 290°/55 kt 270°/30 kt

Admin .by convention average wind velocity used for climb problems is wind velocity at the altitude 2/3 of the cruising altitude .average wind velocity used for descent problems is wind velocity at the altitude 1/2 of the descent altitude exemple 374 280°/50 kt.280°/50 kt.

An aircraft descends from fl240 to fl040 for the final approach .cas = 220 ?

Question 174-27 : 273 kt 244 kt 254 kt 259 kt

Admin .at the exam average tas used for descent problems is calculated at the altitude 1/2 of the descent altitude.at fl120 isa temperature = 15°c 2°c x 12 = 9°c .oat is isa +10°c thus oat is +1°c at fl120 .on the computer in airspeed window put +1ºc next to fl120 go to cas 220 kt on inner scale and read tas on outer scale 273 kt exemple 378 273 kt.273 kt.

When flying a visual navigation exercise in controlled airspace it is confirmed ?

Question 174-28 : 034° 038° 030° 042°

Question issue de ae this question asks about the on in sixty rule this rule states that after 60 nm a drift of 1° corresponds to an off track distance of 1 nm 2° = 2 nm 3° = 3 nm etc the question mentions an off track distance of 2 nm and if you cut the flight distance into half 30 nm instead of 60 nm angle and off track distance must double 30 nm => 4° => 4 nm the question states that the controller wants us to regain our original track after 30 nm so the correction angle should be 4° + 30° = 34° exemple 382 034°.034°.

An aircraft in cruise at fl120 is cleared to descend to 3000 ft .the distance ?

Question 174-29 : 6% 6 3% 4 7% 5%

Admin .we have to descend 9000 ft.25 nm in ft is 25 nm x 6000 ft/nm = 151900 ft . 9000 / 150000 x 100 = 6% exemple 386 6%.6%.

Given .descent from 15000 ft to 3000 ft msl.glide path angle during descent ?

Question 174-30 : It decreases from 900 ft/min to 750 ft/min 900 ft/min during the whole descent 825 ft/min during the whole descent 750 ft/min during the whole descent

Admin .rate of descent 3° = ground speed kt x 10/2.at 15000 ft with a ground speed of 180 kt rate of descent = 180 x 10/2 = 900 ft/min.approaching 3000 ft with a decelerating speed to reach 150 kt rate of descent = 150 x 10/2 = 750 ft/min exemple 390 It decreases from 900 ft/min to 750 ft/min.It decreases from 900 ft/min to 750 ft/min.

Which formula can be used to calculate the rate of climb/descent .rate of ?

Question 174-31 : Groundspeed kt x gradient ft/nm / 60 altitude difference ft x 100 / ground difference ft climb/descent angle ° x 100 / 60 arctg altitude difference ft / ground distance covered ft

Admin .we must know the groundspeed to calculate a climb/descent gradient .calculate rate of descent rod on a given glide path angle or gradient using the following rule of thumb formulae .rod ft/min = gp degrees x gs nm/min x 100.or.rod ft/min = gp per cent x gs kt ..calculate climb/descent gradient ft/nm per cent and degrees gs or vertical speed according to the following formula .vertical speed ft/min = gs kt x gradient ft/nm / 60 exemple 394 Groundspeed (kt) x gradient (ft/nm) / 60Groundspeed (kt) x gradient (ft/nm) / 60

The correct formula for climb/descent gradient in % is .gradient in % = ?

Question 174-32 : Vertical distance x 100 / ground distance height difference / altitude difference x 100 rate of climb or descent x ground speed arctg altitude difference / ground distance

Admin .estimate average climb/descent gradient per cent or glide path degrees according to the following rule of thumb .gradient in % = vertical distance ft / 60 / ground distance nm .or.gradient in % = vertical distance x 100 / ground distance .gradient in degrees = arctan altitude difference ft / ground distance ft .or.gradient in degrees = vertical distance ft / 100 / ground distance nm .n b these rules of thumb approximate 1 nm to 6 000 ft and are based on the 1 60 rule exemple 398 (vertical distance x 100) / ground distance.(vertical distance x 100) / ground distance.

The correct formula for climb/descent gradient in ° is .gradient in ° = ?

Question 174-33 : Vertical distance ft / 100 / ground distance nm vertical distance ft x 60 / ground distance nm rate of climb or descent x ground speed height difference / altitude difference x 100

Admin .estimate average climb/descent gradient per cent or glide path degrees according to the following rule of thumb .gradient in % = vertical distance ft / 60 / ground distance nm .or.gradient in % = vertical distance x 100 / ground distance .gradient in degrees = arctan altitude difference ft / ground distance ft .or.gradient in degrees = vertical distance ft / 100 / ground distance nm .n b these rules of thumb approximate 1 nm to 6 000 ft and are based on the 1 60 rule exemple 402 (vertical distance (ft) / 100) / ground distance (nm)).(vertical distance (ft) / 100) / ground distance (nm)).

An aircraft climbs from ground level to fl180 the following wind information is ?

Question 174-34 : The wind at fl120 the wind at fl190 the average wind speed from ground to fl180 the average wind speed from ground to fl120

exemple 406 The wind at fl120.The wind at fl120.

An aircraft is flying according the flight log at the annex after 15 minutes of ?

Question 174-35 : 078° 115 ° 107° 090°

Admin .15 min / 60 = 0 25h.0 25 x 130 kt gs = 32 5 nm.32 5 nm + 2 5nm ahead of dr = 35 nm.50 nm dist 35 nm = 15 nm.tke = 3 x 60/35 and 3 x 60/15.tke = 5° and 12° ca = 5° + 12° = 17°.as we are south of 095° to get back we need to fly more to the north therefore 095 17° = 078° exemple 410 078°.078°.

The 'night effect' which causes loss of signal and fading resulting in bearing ?

Question 174-36 : Skywave distortion of the null position and is maximum at dawn and dusk interference from other transmissions and is maximum at dusk when east of the ndb static activity increasing at night particularly in the lower frequency band the effect of the aurora borealis

Admin .navigation using an adf to track ndbs is subject to several common effects for 'night effect' radio waves reflected back by the ionosphere can cause signal strength fluctuations 30 to 60 nautical miles 54 to 108 km from the transmitter especially just before sunrise and just after sunset more common on frequencies above 350 khz exemple 414 Skywave distortion of the null position and is maximum at dawn and dusk.Skywave distortion of the null position and is maximum at dawn and dusk.

Quadrantal errors associated with aircraft automatic direction finding adf ?

Question 174-37 : Signal bending by the aircraft metallic surfaces signal bending caused by electrical interference from aircraft wiring misalignment of the loop aerial skywave/groundwave contamination

Admin . quadrantal error .ndb signals may reach the receiver aerial directly and also after being reflected by the aircraft body due to electrical circuits and current flowing through them there is an electromagnetic field surrounding the aircraft in general alignment with its body .this causes the incident radio waves to deflect near the adf receiver aerial the mixed signal affects the null position and the bearing indicated may be with large error .the maximum effect is at quadrantal relative bearings .045° 135° 225° and 315° relative to heading .modern installations are compensated for this error exemple 418 Signal bending by the aircraft metallic surfaces.Signal bending by the aircraft metallic surfaces.

Errors caused by the effect of coastal refraction on bearings at lower ?

Question 174-38 : Inland and the bearing crosses the coast at an acute angle near the coast and the bearing crosses the coast at right angles inland and the bearing crosses the coast at right angles near the coast and the bearing crosses the coast at an acute angle

Admin . coastal refraction or shoreline effect .low frequency radio waves will refract or bend near a shoreline especially if they are close to parallel to it .least when bearings normal to coastline .radio waves passing the coastline at small angles suffer refraction due to different conducting and reflecting properties over land and sea a false bearing indication is obtained at aircraft flying over sea and taking bearings from ndb located over land the effect is less for an ndb on coast than one inland and on a bearing 90° to coastline then at an oblique angle hence given the choice use beacon at coast and rely on bearings perpendicular to the coastline exemple 422 Inland and the bearing crosses the coast at an acute angle.Inland and the bearing crosses the coast at an acute angle.

Transmissions from vor facilities may be adversely affected by ?

Question 174-39 : Uneven propagation over irregular ground surfaces static interference night effect quadrantal error

Admin .due to reflections from terrain radials can be bent and lead to wrong or fluctuating indications which is called 'scalloping' exemple 426 Uneven propagation over irregular ground surfaces.Uneven propagation over irregular ground surfaces.

If vor bearing information is used beyond the published protection range errors ?

Question 174-40 : Interference from other transmitters noise from precipitation static exceeding the signal strength of the transmitter sky wave interference from the same transmitter sky wave interference from distant transmitters on the same frequency

Admin .maximum range and altitude published for a vor guaranteed the reception free from harmful interference from other vors when you are within this airspace exemple 430 Interference from other transmitters.Interference from other transmitters.

~

Exclusive rights reserved. Reproduction prohibited under penalty of prosecution.

6919 Free Training Exam