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Session > helipad : The maximum floor loading for a cargo compartment is given as 70 kg/m² .a ?

Question 73-1 : 1 8 m² 8 82 m² 0 48 m² 0 56 m²

126 kg / 70 kg/m² = 1 8 m² exemple 173 1.8 m².1.8 m².

Crew baggage is considered to be ?

Question 73-2 : Variable load palletized load containerized cargo load forbidden cargo load

Crew baggage is a variable load and is usually put in the cargo compartment as bulk load exemple 177 variable load.variable load.

Which of the following can be considered as bulk cargo ?

Question 73-3 : Baggage from late arrival passengers and crew hand baggage palletised cargo cargo on containers live animals

A jet aeroplane is climbing at constant mach number below the tropopause .which ?

Question 73-4 : Ias decreases and tas decreases ias increases and tas decreases ias increases and tas increases ias decreases and tas increases

Use the very simple 'ertm' diagram . 1039..the mach line is vertical because the question states climbing at constant mach number. ertm for e as/ r as rectified air speed or cas / t as/ m ach.mach number = tas / lss.local speed of sound lss changes in proportion to temperature .when climbing below the tropopause the temperature decreases lss decreases .thus tas must decrease to keep mach number constant.tas is ias corrected for instrument position compressibility and density errors if tas decreases ias decreases exemple 185 ias decreases and tas decreases.ias decreases and tas decreases.

Which of the following statements is correct ?

Question 73-5 : A stopway means an area beyond the take off runway able to support the aeroplane during an aborted take off an underrun is an area beyond the runway end which can be used for an aborted take off a clearway is an area beyond the runway which can be used for an aborted take off if a clearway or a stopway is used the lift off point must be attainable at least at the end of the permanent runway surface

Which of the following is true with regard to vmca air minimum control speed ?

Question 73-6 : Straight flight can not be maintained below vmca when the critical engine has failed the aeroplane is uncontrollable below vmca the aeroplane will not gather the minimum required climb gradient vmca only applies to four engine aeroplanes

exemple 193 straight flight can not be maintained below vmca, when the critical engine has failed.straight flight can not be maintained below vmca, when the critical engine has failed.

Which of the following will decrease v1 ?

Question 73-7 : Inoperative anti skid increased take off mass inoperative flight management system increased outside air temperature

Antiskid system the hydraulic system provides antiskid protection when the system detects a skid the associated antiskid valve reduces brake pressure until skidding stops.an inoperative anti skid system will increase the stop distance thus our asda is increased and v1 need to be decreased.an increased take off mass or an increased of oat will increase v1 until we reach one of the maximum available distances tora toda and asda.an inoperative fms has no effect on v1 exemple 197 inoperative anti-skid.inoperative anti-skid.

Which of the following are to be taken into account for the runway in use for ?

Question 73-8 : Airport elevation runway slope outside air temperature pressure altitude and wind components airport elevation runway slope standard temperature standard pressure and wind components airport elevation runway slope standard temperature pressure altitude and wind components airport elevation runway slope outside air temperature standard pressure and wind components

exemple 201 airport elevation, runway slope, outside air temperature, pressure altitude and wind components.airport elevation, runway slope, outside air temperature, pressure altitude and wind components.

Changing the take off flap setting from flap 15° to flap 5° will normally ?

Question 73-9 : A longer take off distance and a better climb a shorter take off distance and an equal climb a better climb and an equal take off distance a shorter take off distance and a better climb

exemple 205 a longer take-off distance and a better climb.a longer take-off distance and a better climb.

In accordance with cs 25 the reference landing speed vref has the following ?

Question 73-10 : 23% 15% 20% 10%

.vref is the landing reference speed. cs 25 125 landing . . i in non icing conditions vref may not be less than . a 1 23 vsr0..example 100 x 1 23 = 123 kt exemple 209 23%.23%.

In relation to the net take off flight path the required 35 ft vertical ?

Question 73-11 : The minimum vertical distance between the lowest part of the aeroplane and all obstacles within the obstacle domain based on pressure altitudes the height by which acceleration and flap retraction should be completed the height at which power is reduced to maximum climb thrust

exemple 213 the minimum vertical distance between the lowest part of the aeroplane and all obstacles within the obstacle domain.the minimum vertical distance between the lowest part of the aeroplane and all obstacles within the obstacle domain.

At a given altitude when a turbojet aeroplane mass is increased by 5% assuming ?

Question 73-12 : 5% 7 5% 10% 2 5%

.for a turbojet aeroplane fuel consumption decreases or increases in proportion to the change in aeroplane weight exemple 217 5%.5%.

What will be the effect on an aeroplane's performance if aerodrome pressure ?

Question 73-13 : It will decrease the take off distance required it will increase the take off distance required it will increase the take off ground run it will increase the accelerate stop distance

.pressure altitude is the altitude displayed on an altimeter if you set 1013 hpa on the subscale your altimeter will show your pressure altitude above the 1013 hpa pressure level .if your pressure altitude is decreasing your actual altitude above that level will decrease too.lower altitude means denser air it means better performance and then it will decrease the take off distance required exemple 221 it will decrease the take-off distance required.it will decrease the take-off distance required.

What will be the influence on the aeroplane performance if aerodrome pressure ?

Question 73-14 : It will increase the take off distance it will decrease the take off distance it will increase the take off distance available it will decrease the take off run

.pressure altitude is the altitude displayed on an altimeter if your pressure altitude indicated a high it means a reduced air density .air density has direct effect on lift drag engine performance when air density decreases aircraft performance decreases take off run will be increased exemple 225 it will increase the take-off distance.it will increase the take-off distance.

Which of the following distances will increase if you increase v1 but vr ?

Question 73-15 : Accelerate stop distance take off distance all engine take off distance take off run

.accelerated stop distance is the distance required to accelerate to v1 with all engines at takeoff power experience an engine failure at v1 and abort the takeoff and bring the airplane to a stop using only braking action without the use of reverse thrust thus if you increase v1 the accelerate stop distance asd will increase.the decision speed at take off v1 is the calibrated airspeed below which take off must be rejected if an engine failure is recognized above which take off should be continued.vr remains unchanged and vr is the speed at which rotation to the lift off angle of attack is initiated so 'take off run' 'take off distance' and 'all engine take off distance' remain unchanged exemple 229 accelerate stop distance.accelerate stop distance.

Which of the following answers is true ?

Question 73-16 : V1 is lower or equal to vr v1 is higher vlof v1 is higher vr v1 is lower vmcg

.v1 critical engine failure speed or decision speed engine failure below this speed should result in an aborted takeoff above this speed the takeoff run should be continued.vr speed at which the rotation of the airplane is initiated to takeoff attitude this speed cannot.be less than v1 or less than 1 05 x vmca minimum control speed in the air.vlof the speed at which the airplane first becomes airborne this is an engineering term used when the airplane is certificated and must meet certain requirements if it is not listed in the airplane flight manual it is within requirements and does not have to be taken into consideration by the pilot.vmcg the minimum control speed in the ground . 1459.note vmca minimum control speed in the air is located between v1 and vr exemple 233 v1 is lower or equal to vr.v1 is lower or equal to vr.

The length of a clearway may be included in ?

Question 73-17 : The take off distance available the accelerate stop distance available the take off run available the distance to reach v1

. 1067 exemple 237 the take-off distance available.the take-off distance available.

How does runway slope affect allowable take off mass assuming other factors ?

Question 73-18 : A downhill slope increases allowable take off mass an uphill slope increases the allowable take off mass allowable take off mass is not affected by runway slope a downhill slope decreases allowable take off mass

.a downhill slope increases allowable take off mass .it will be easier to accelerate the aircraft assisted by the downhill component of weight therefore we can increase the mass and make 35 ft and v2 within toda however we will have to reduce v1 in case we have to stop with a heavier aircraft

Provided all other parameters stay constant which of the following alternatives ?

Question 73-19 : Decreased take off mass increased density increased flap setting increased outside air temperature decreased pressure altitude decreased flap setting decreased take off mass increased pressure altitude increased temperature increased pressure altitude increased outside air temperature increased take off mass

exemple 245 decreased take-off mass, increased density, increased flap setting.decreased take-off mass, increased density, increased flap setting.

The effect of increasing the flap setting from zero to the recommended take off ?

Question 73-20 : Decreased tod required and increased field length limited tom increased tod required and decreased field length limited tom increased tod required and increased field length limited tom decreased tod required and decreased field length limited tom

.a larger flap selection will permit to take off earlier but will decrease the path climb angle.if you have a weight limitation at take off due to the length of the runway by choosing a larger flap setting you will permit to reduce your take off run thus you can carry more weight

How is vmca influenced by increasing pressure altitude ?

Question 73-21 : Vmca decreases with increasing pressure altitude vmca is not affected by pressure altitude vmca increases with increasing pressure altitude vmca decreases with pressure altitude higher than 4000 ft

.vmc speeds are cas based it means they are not affected by the air density vmca is a controlling speed with one engine inoperative.as the altitude increases we get less asymmetric thrust therefore the controlling speed of vmca decreases.increase in pressure altitude means less thrust or more correctly less asymmetric thrust the controlling speed reduces as the thrust reduces exemple 253 vmca decreases with increasing pressure altitude.vmca decreases with increasing pressure altitude.

Which one of the following is not affected by a tail wind ?

Question 73-22 : The climb limited take off mass the field limited take off mass the obstacle limited take off mass the take off run

.the climb limited take off mass cltom is a gradient requirement under the certification rules cs25 .it is an air gradient based upon pressure altitude and temperature and is unaffected by wind exemple 257 the climb limited take-off mass.the climb limited take-off mass.

Which statement is correct ?

Question 73-23 : Vr must not be less than 1 05 vmca and not less than v1 vr must not be less than 1 05 vmca and not less than 1 1 v1 vr must not be less than vmca and not less than 1 05 v1 vr must not be less than 1 1 vmca and not less than v1

.v1 critical engine failure speed or decision speed engine failure below this speed should result in an aborted takeoff above this speed the takeoff run should be continued.vr speed at which the rotation of the airplane is initiated to takeoff attitude this speed cannot.be less than v1 or less than 1 05 x vmca minimum control speed in the air.vlof the speed at which the airplane first becomes airborne this is an engineering term used when the airplane is certificated and must meet certain requirements if it is not listed in the airplane flight manual it is within requirements and does not have to be taken into consideration by the pilot.vmcg the minimum control speed in the ground . 1459.note vmca minimum control speed in the air is located between v1 and vr exemple 261 vr must not be less than 1.05 vmca and not less than v1.vr must not be less than 1.05 vmca and not less than v1.

Which of the following represents the minimum for v1 ?

Question 73-24 : Vmcg vlof vmu vr

. 1459.note vmca minimum control speed in the air is located between v1 and vr exemple 265 vmcg.vmcg.

In the event of engine failure below v1 the first action to be taken by the ?

Question 73-25 : Reduce the engine thrust deploy airbrakes or spoilers reverse engine thrust apply wheel brakes

exemple 269 reduce the engine thrust.reduce the engine thrust.

If the antiskid system is inoperative which of the following statements is true ?

Question 73-26 : The accelerate stop distance increases the accelerate stop distance decreases it has no effect on the accelerate stop distance take off with anti skid inoperative is never permitted

.antiskid system the hydraulic system provides antiskid protection when the system detects a skid the associated antiskid valve reduces brake pressure until skidding stops.an inoperative anti skid system will increase the stop distance thus our asda is increased and v1 need to be decreased.take off with anti skid inoperative is permitted under condition exemple 273 the accelerate stop distance increases.the accelerate stop distance increases.

Other factors remaining constant and not limiting how does increasing pressure ?

Question 73-27 : Allowable take off mass decreases allowable take off mass increases there is no effect on allowable take off mass allowable take off mass remains uninfluenced up to 5000 ft pressure altitude

.density decreases with altitude less density will reduce take off thrust available allowable take off mass will decrease exemple 277 allowable take-off mass decreases.allowable take-off mass decreases.

If there is a tail wind the climb limited tom take off mass will ?

Question 73-28 : Not be affected increase decrease increase in the flaps extended case

exemple 281 not be affected.not be affected.

Which of the following sets of factors will increase the climb limited tom ?

Question 73-29 : Low flap setting low pressure altitude low oat high flap setting low pressure altitude low oat low flap setting high pressure altitude high oat low flap setting high pressure altitude low oat

.low flap setting a higher flap setting will reduce the takeoff ground run for a given aircraft weight but it will reduce climb limited tom the flaps will reduce the best angle of attack therefore the maximum climb slope will be reduced low flap setting permits a better climb angle.low pressure altitude density is higher lift is increase.low oat cold air means that density increase lift inscreases the climb limited tom is increased exemple 285 low flap setting, low pressure altitude, low oat.low flap setting, low pressure altitude, low oat.

The requirements with regard to take off flight path and the climb segments are ?

Question 73-30 : The failure of the critical engine on a multi engines aeroplane the failure of any engine on a multi engine aeroplane two engine aeroplane the failure of two engines on a multi engine aeroplane

exemple 289 the failure of the critical engine on a multi-engines aeroplane.the failure of the critical engine on a multi-engines aeroplane.

A head wind will ?

Question 73-31 : Increase the climb flight path angle increase the angle of climb increase the rate of climb shorten the time of climb

exemple 293 increase the climb flight path angle.increase the climb flight path angle.

Assuming that the required lift exists which forces determine an aeroplane's ?

Question 73-32 : Weight drag and thrust weight and drag only thrust and drag only weight and thrust only

exemple 297 weight, drag and thrust.weight, drag and thrust.

How does the best angle of climb and best rate of climb vary with increasing ?

Question 73-33 : Both decrease best angle of climb decreases while best rate of climb increases best angle of climb increases while best rate of climb decreases both increase

The higher you go the less power you will have .you can increase the angle of climb only if you have an excess of thrust or a rate of climb excess power exemple 301 both decrease.both decrease.

An operator shall ensure that the net take off flight path clears all obstacles ?

Question 73-34 : 90 m + 0 125 d 0 125 d 90 m + 1 125 d 90 m + d / 0 125

.take off obstacle clearance . a an operator shall ensure that the take off flight path with one engine inoperative clears all obstacles by a vertical margin of at least 50 ft or by a horizontal distance of at least 90 m plus 0 125 x d where d is the horizontal distance the aeroplane has travelled from the end of the take off distance available .for aeroplanes with a wingspan of less than 60 m a horizontal obstacle clearance of half the aeroplane wingspan plus 60 m plus 0 125 x d may be used exemple 305 90 m + 0.125 d.90 m + 0.125 d.

What is the effect of tail wind on the time to climb to a given altitude ?

Question 73-35 : The time to climb does not change the time to climb increases the time to climb decreases the effect on time to climb will depend on the aeroplane type

exemple 309 the time to climb does not change.the time to climb does not change.

The angle of climb with flaps extended compared to that with flaps retracted ?

Question 73-36 : Smaller larger not change increase at moderate flap setting decrease at large flap setting

.we assume same mass and same speed same vertical speed all other conditions unchanged angle of climb will be smaller with flaps extended compared to that with flaps retracted for the same vertical speed center of pressure moves aft when flaps are extended thus we have to lower the nose exemple 313 smaller.smaller.

Vx and vy with take off flaps will be ?

Question 73-37 : Lower than that for clean configuration higher than that for clean configuration same as that for clean configuration changed so that vx increases and vy decreases compared to clean configuration

.vx is best angle of climb speed and vy is best rate of climb speed they occur at the point where there is the biggest gap between thrust and drag vx and power required and power available vy . 1068.the deployment of flap increases profile drag which moves the red drag curve up and left you can see that vmd which is vx for a jet moves left and the gap closes between thrust available and drag so vx decreases and the angle of climb decreases . 1069.the power required curve also moves up and left with the increase in drag and the point of vy moves left and the gap closes between power required and power available.vx and vy with take off flaps will be lower than that for clean configuration exemple 317 lower than that for clean configuration.lower than that for clean configuration.

Other factors remaining constant how does increasing altitude affect vx and vy ?

Question 73-38 : Both will increase both will remain the same both will decrease vx will decrease and vy will increase

.best explanation ever .pdf929 exemple 321 both will increase.both will increase.

Considering tas for maximum range and maximum endurance other factors remaining ?

Question 73-39 : Both will increase with increasing altitude both will decrease with increasing altitude both will stay constant regardless of altitude tas for maximum range will increase with increased altitude while tas for maximum endurance will decrease with increased altitude

.in flight maximum range speed and maximum endurance speed are eas.use the very simple 'ertm' diagram ertm for e as/ r as rectified air speed or cas / t as/ m ach. 1960.the eas/ias line is vertical tas increase with increasing altitude exemple 325 both will increase with increasing altitude.both will increase with increasing altitude.

Given that .vef= critical engine failure speed.vmcg= ground minimum control ?

Question 73-40 : Vmcg is less than or equal to vef is less than v1 v2min is less than or equal to vef is less than or equal to vmu 1 05 vmca is less than or equal to vef is less than or equal to v1 1 05 vmcg is less than vefis less than or equal to vr

. vmcg it is the minimum speed on ground at which when the critical engine becomes inoperative it is possible to recover control of the airplane with the use of primary aerodynamic control alone .this maneuver must follow the guidelines . to steer only aerodynamic forces may be used . nose wheel steering is not used . rudder force may not exceed 150 lbs. cs 25 107 take off speeds . a v1 must be established in relation to vef as follows. 1 vef is the calibrated airspeed at which the critical engine is assumed to fail vef must be selected by the applicant but may not be less than vmcg determined under cs 25 149 e. 2 v1 in terms of calibrated airspeed is selected by the applicant however v1 may not be less than vef plus the speed gained with the critical engine inoperative during the.time interval between the instant at which the critical engine is failed and the instant at.which the pilot recognises and reacts to the engine failure as indicated by the pilot's.initiation of the first action e g applying brakes reducing thrust deploying speed brakes to stop the aeroplane during accelerate stop tests exemple 329 vmcg is less than or equal to vef is less than v1.vmcg is less than or equal to vef is less than v1.

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