During a straight departure, the initial track is to be: a. Within 5° of runway centre-line b. Within 10 of runway centre-line c. Within 15° of runway centre-line d. Within 25° of runway centre-line

During a straight departure, the initial track is to be:  
a. Within 5° of runway centre-line  
b. Within 10 of runway centre-line  
c. Within 15° of runway centre-line  
d. Within 25° of runway centre-line
by

1 Answer

Answer :

c. Within 15° of runway centre-line
by

Related questions

During a straight departure, the initial track is to be: a. Within 5° of runway centre-line b. Within 10 of runway centre-line c. Within 15° of runway centre-line d. Within 25° of runway centre-line

Description : During a straight departure, the initial track is to be: a. Within 5° of runway centre-line b. Within 10 of runway centre-line c. Within 15° of runway centre-line d. Within 25° of runway centre-line

Last Answer : c. Within 15° of runway centre-line

In standard taper roller bearings, the angle of taper of the outer raceway is (a) 5° (b) 8° (c) 15° (d) 25°

Description : In standard taper roller bearings, the angle of taper of the outer raceway is (a) 5° (b) 8° (c) 15° (d) 25°

Last Answer : (d) 25°

A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the inversion is 090/30. What is the safest departure procedure? a. Take-off is not possible under these conditions b. Depart on runway 09 with a tailwind c. Depart runway 27 with maximum throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Description : A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the ... throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Last Answer : b. Depart on runway 09 with a tailwind

If the track on an instrument departure is published, the pilot is expected to: a. Correct for the correct wind so as to stay within controlled airspace b. Ask ATC for another heading to steer correcting for wind c. Ignore the wind and proceed with a heading equal to the track d. Ask ATC for permission to correct heading for wind

Description : If the track on an instrument departure is published, the pilot is expected to: a. Correct for the correct wind so as to stay within controlled airspace b. Ask ATC for another heading to steer ... proceed with a heading equal to the track d. Ask ATC for permission to correct heading for wind

Last Answer : a. Correct for the correct wind so as to stay within controlled airspace

The priority of the message “LINE UP” is: a. Greater than “REQUEST QDM” b. Less than “CLEAR TO LAND” c. Same as “TAXI TO HOLDING POINT RUNWAY 20” d. Same as “WORK IN PROGRESS ON TAXIWAY

Description : The priority of the message “LINE UP” is: a. Greater than “REQUEST QDM” b. Less than “CLEAR TO LAND” c. Same as “TAXI TO HOLDING POINT RUNWAY 20” d. Same as “WORK IN PROGRESS ON TAXIWAY

Last Answer : c. Same as “TAXI TO HOLDING POINT RUNWAY 20”

You are flying at a constant FL 290 and a constant mach number. The total temperature increases by 5°. The CAS will: a. Remain approximately constant b. Increase by 10 kts c. Decrease by 10 kts d. Will increase or decrease depending on whether you are above or below ISA

Description : You are flying at a constant FL 290 and a constant mach number. The total temperature increases by 5°. The CAS will: a. Remain approximately constant b. Increase by 10 kts c. Decrease by 10 kts d. Will increase or decrease depending on whether you are above or below ISA

Last Answer : a. Remain approximately constant

What action should be taken if contact is lost with the runway during a circling approach? a. Descend to Decision Height and if still no contact with the runway, initiate a missed approach b. Land on the instrument runway c. Initiate a missed approach d. Return to the FAF

Description : What action should be taken if contact is lost with the runway during a circling approach? a. Descend to Decision Height and if still no contact with the runway, initiate a missed approach b. Land on the instrument runway c. Initiate a missed approach d. Return to the FAF

Last Answer : c. Initiate a missed approach

The tilt angle varies form…° to….. °. For a good plough a. 20°,30°. c) 15°,30° b. 10°,30°. d) 15°,25°

Description : The tilt angle varies form…° to….. °. For a good plough a. 20°,30°. c) 15°,30° b. 10°,30°. d) 15°,25°

Last Answer : 15°,25°

The disc angle of a good plough varies between a) 25°-30° b) 10°-15° c) 18°-24° d) 42°-45°

Description : The disc angle of a good plough varies between a) 25°-30° b) 10°-15° c) 18°-24° d) 42°-45°

Last Answer : 42°-45°

After flying for 16 minutes at 100kt TAS with a 20kt tail wind, you have to return to the airfield of departure. You will arrive after: a. 10 min 40 sec b. 20 min c. 24 min d. 16 min

Description : After flying for 16 minutes at 100kt TAS with a 20kt tail wind, you have to return to the airfield of departure. You will arrive after: a. 10 min 40 sec b. 20 min c. 24 min d. 16 min

Last Answer : c. 24 min

How many hours in advance of departure time should a flight plan be filed in the case of flights into areas subject to air traffic flow management (ATFM)? a. 3.00 hrs b. 0.30 hrs c. 1.00 hr d. 0.10 hr

Description : How many hours in advance of departure time should a flight plan be filed in the case of flights into areas subject to air traffic flow management (ATFM)? a. 3.00 hrs b. 0.30 hrs c. 1.00 hr d. 0.10 hr

Last Answer : a. 3.00 hrs

For a controlled flight before departure, a flight plan must be filed at least: a. 50 minutes before off-block time b. 60 minutes before departure c. 10 minutes before departure d. 30 minutes before off-block time

Description : For a controlled flight before departure, a flight plan must be filed at least: a. 50 minutes before off-block time b. 60 minutes before departure c. 10 minutes before departure d. 30 minutes before off-block time

Last Answer : b. 60 minutes before departure

Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about (A) 1 to 2° (B) 2 to 5° (C) 5 to 10° (D) 10 to 15°

Description : Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about (A) 1 to 2° (B) 2 to 5° (C) 5 to 10° (D) 10 to 15°

Last Answer : (B) 2 to 5°

If the ailerons are deflected to 10°, compared to 5°, this will cause: a. An increased angle of bank b. An increased rate of roll c. No change to either bank angle or roll rate d. A reduction in the adverse yawing moment

Description : If the ailerons are deflected to 10°, compared to 5°, this will cause: a. An increased angle of bank b. An increased rate of roll c. No change to either bank angle or roll rate d. A reduction in the adverse yawing moment

Last Answer : b. An increased rate of roll

The magnetic heading reference unit has a precision rate of: a. 1°/min b. 2°/min c. 5°/min d. 3°/min

Description : The magnetic heading reference unit has a precision rate of: a. 1°/min b. 2°/min c. 5°/min d. 3°/min

Last Answer : b. 2°/min

Match the following : [IAS 1999] A. Cotton 1. Rainfall 1000-1500 mm; Temperature 40°-60°C B. Flax 2. Rainfall 1500-2000 mm; Temperature 25°-35°C C. Sugarbeet 3. Rainfall 600-S00 mm; Temperature 5°-18°C D. Jute 4. Rainfall 500-1000 mm; Temperature 18°-22°C 5. Rainfall 500-600 mm; Temperature 18°-22°C A B C D (a) 1 3 4 2 (b) 2 3 5 4 (c) 4 5 2 1 (d) 4 3 5 2 shop.ssbcrack.com

Description : Match the following : [IAS 1999] A. Cotton 1. Rainfall 1000-1500 mm; Temperature 40°-60°C B. Flax 2. Rainfall 1500-2000 mm; Temperature 25°-35°C C. Sugarbeet 3. Rainfall 600-S00 mm; Temperature 5°-18°C D. Jute 4. Rainfall 500-1000 mm; ... 1 3 4 2 (b) 2 3 5 4 (c) 4 5 2 1 (d) 4 3 5 2 shop.ssbcrack.com

Last Answer : Ans: (d)

An aeroplane is starting a non-precision approach with an MDH of 250ft and minimum visibility of 800 meters. ATC gives threshold, mid-runway and final third RVRs. When may the approach be started? a. When threshold and mid-runway RVRs are greater than 800m b. When all 3 RVRs are greater than 800m c. When the met viz is greater than 800m. RVR is for precision approaches only. d. When threshold RVR is greater than 800m

Description : An aeroplane is starting a non-precision approach with an MDH of 250ft and minimum visibility of 800 meters. ATC gives threshold, mid-runway and final third RVRs. When may the approach be started? ... than 800m. RVR is for precision approaches only. d. When threshold RVR is greater than 800m

Last Answer : d. When threshold RVR is greater than 800m

Where a light or medium category aeroplane is taking off behind a heavy category aeroplane on the same runway and from the same point, the minimum separation spacing in minutes is: a. 1 b. 2 c. 3 d. 4

Description : Where a light or medium category aeroplane is taking off behind a heavy category aeroplane on the same runway and from the same point, the minimum separation spacing in minutes is: a. 1 b. 2 c. 3 d. 4

Last Answer : b. 2

Which of the following statements is an interpretation of the METAR? 00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 = a. Meteorological visibility 200m, RVR for runway 16 1500m, temperature -3°C, vertical visibility 100m b. Meteorological visibility 200ft, RVR for runway 16 more than 1500m, vertical visibility 100ft, fog with hoar frost c. Meteorological visibility for runway 14 800m, fog with hoar frost, RVR for runway 16 more than 1500m d. RVR for runway 14 800m, vertical visibility 100ft, calm, meteorological visibility improving to 800m in the next 2 hours

Description : Which of the following statements is an interpretation of the METAR? 00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 = a. Meteorological visibility 200m, RVR for ... 14 800m, vertical visibility 100ft, calm, meteorological visibility improving to 800m in the next 2 hours

Last Answer : d. RVR for runway 14 800m, vertical visibility 100ft, calm, meteorological visibility improving to 800m in the next 2 hours

In which weather report would you expect to find information about icing conditions on the runway? a. GAFOR b. TAF c. METAR d. SIGMET

Description : In which weather report would you expect to find information about icing conditions on the runway? a. GAFOR b. TAF c. METAR d. SIGMET

Last Answer : c. METAR

When approaching a wet runway, with the risk of hydroplaning, what technique should the pilot adapt? a. Positive touchdown, full reverse and brakes as soon as possible b. Smoothest possible touchdown, full reverse and only brakes below VP c. Positive touchdown, full reverse and only brakes below VP d. Normal landing, full reverse brakes at VP

Description : When approaching a wet runway, with the risk of hydroplaning, what technique should the pilot adapt? a. Positive touchdown, full reverse and brakes as soon as possible b. Smoothest possible ... touchdown, full reverse and only brakes below VP d. Normal landing, full reverse brakes at VP

Last Answer : c. Positive touchdown, full reverse and only brakes below VP

The correct reply to the instruction “HOLD SHORT AT RUNWAY” is: a. WILCO b. ROGER c. HOLDING SHORT d. UNDERSTOOD

Description : The correct reply to the instruction “HOLD SHORT AT RUNWAY” is: a. WILCO b. ROGER c. HOLDING SHORT d. UNDERSTOOD

Last Answer : c. HOLDING SHORT

You see a double white cross in a signal square, what does this mean? a. Glider flying in progress b. Tow ropes and banners may be dropped c. Runway unfit for aircraft movement d. Aerodrome unfit for aircraft movement

Description : You see a double white cross in a signal square, what does this mean? a. Glider flying in progress b. Tow ropes and banners may be dropped c. Runway unfit for aircraft movement d. Aerodrome unfit for aircraft movement

Last Answer : a. Glider flying in progress

An aircraft is allowed to descend below the MSA if: a. The pilot follows the published approach procedures b. The aircraft receives radar vectors c. The pilot has visual contact with the runway and surrounding terrain and is able to maintain visual contact d. All of the above

Description : An aircraft is allowed to descend below the MSA if: a. The pilot follows the published approach procedures b. The aircraft receives radar vectors c. The pilot has visual contact with the runway and surrounding terrain and is able to maintain visual contact d. All of the above

Last Answer : d. All of the above

For a flight plan filed before flight, the indicated time of departure is: a. The time overhead the first reporting point after take-off b. The time at which the flight plan is filed c. The estimated off-block time d. The time of take-off

Description : For a flight plan filed before flight, the indicated time of departure is: a. The time overhead the first reporting point after take-off b. The time at which the flight plan is filed c. The estimated off-block time d. The time of take-off

Last Answer : c. The estimated off-block time

If a transponder is unserviceable before an IFR departure, then the pilot: a. Has to cancel the flight b. May proceed with the flight with ATC permission c. Has to fly low level only d. Should fly for another company

Description : If a transponder is unserviceable before an IFR departure, then the pilot: a. Has to cancel the flight b. May proceed with the flight with ATC permission c. Has to fly low level only d. Should fly for another company

Last Answer : b. May proceed with the flight with ATC permission

What is the rule concerning level or height the aircraft should maintain when flying IFR outside controlled airspace unless otherwise directed? a. 2,000 feet above the highest obstacle within 8kms of the heading b. 1,000 feet above the highest obstacle within 8kms of the estimated position of the aircraft c. 1,000 feet above the highest obstacle within 8kms of the planned track d. 2,000 feet above the highest obstacle within 8kms of the planned track

Description : What is the rule concerning level or height the aircraft should maintain when flying IFR outside controlled airspace unless otherwise directed? a. 2,000 feet above the highest obstacle within 8kms of ... planned track d. 2,000 feet above the highest obstacle within 8kms of the planned track

Last Answer : b. 1,000 feet above the highest obstacle within 8kms of the estimated position of the aircraft

A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an inversion is reported at 300 feet with turbulence and wind shear. The wind just above the inversion is 090/30. What is the safest departure procedure? a. Take-off is not possible under these conditions b. Depart on runway 09 with a tailwind c. Depart runway 27 with maximum throttle during the passage through the inversion d. Depart runway 27 with as steep an ascent as possible

Description : A flight is to depart from an airport with runway 09 and 27. Surface wind is 270/05; an  inversion is reported at 300 feet with turbulence and wind shear. The wind just above the  ... throttle during the passage through the inversion  d. Depart runway 27 with as steep an ascent as possible

Last Answer : b. Depart on runway 09 with a tailwind

If the track on an instrument departure is published, the pilot is expected to: a. Correct for the correct wind so as to stay within controlled airspace b. Ask ATC for another heading to steer correcting for wind c. Ignore the wind and proceed with a heading equal to the track d. Ask ATC for permission to correct heading for wind

Description : If the track on an instrument departure is published, the pilot is expected to: a. Correct for the correct wind so as to stay within controlled airspace b. Ask ATC for another heading to steer ... proceed with a heading equal to the track d. Ask ATC for permission to correct heading for wind

Last Answer : a. Correct for the correct wind so as to stay within controlled airspace

From the flight deck you observe an aeroplane in the forward left position on an opposite parallel track. What Nav light will be used? a. Green b. Red c. White d. All of the above

Description : From the flight deck you observe an aeroplane in the forward left position on an opposite parallel track. What Nav light will be used? a. Green b. Red c. White d. All of the above

Last Answer : b. Red

An aircraft is attempting to home to a VOR on the 064 radial. The CDI shows 4 dots fly right with a TO indication. At the same time the co-located DME shows a range of 45nm. Where is the aircraft in relation to the required track? a. 6nm right of track b. 3nm right of track c. 6nm left of track d. 3nm left of track

Description : An aircraft is attempting to home to a VOR on the 064 radial. The CDI shows 4 dots fly right with a TO indication. At the same time the co-located DME shows a range of 45nm. Where is the aircraft in relation ... right of track b. 3nm right of track c. 6nm left of track d. 3nm left of track

Last Answer : c. 6nm left of track

An aircraft wishes to track a VOR along the 274 radial. If variation is 10° W, what should be set on the OBS? a. 274 b. 264 c. 094 d. 084

Description : An aircraft wishes to track a VOR along the 274 radial. If variation is 10° W, what should be set on the OBS? a. 274 b. 264 c. 094 d. 084

Last Answer : c. 094

True track 215; mountain elevation 11,600ft; local airfield gives QNH as 1035mb; required terrain clearance 1500ft; temperature ISA -15C. Which of the following is the minimum flight level considering the temperature? a. FL150 b. FL140 c. FL120 d. FL110

Description : True track 215; mountain elevation 11,600ft; local airfield gives QNH as 1035mb; required terrain clearance 1500ft; temperature ISA -15C. Which of the following is the minimum flight level considering the temperature? a. FL150 b. FL140 c. FL120 d. FL110

Last Answer : b. FL140

You have been intercepted in the airspace of a foreign contracting state. What is the signal for ‘clear to proceed’ from the intercepting aircraft? a. Rocking wings b. Flashing lights c. Cut across track d. Breaking turn up and left

Description : You have been intercepted in the airspace of a foreign contracting state. What is the signal for ‘clear to proceed’ from the intercepting aircraft? a. Rocking wings b. Flashing lights c. Cut across track d. Breaking turn up and left

Last Answer : d. Breaking turn up and left

When reporting a frequency the use of the word “DECIMAL” can be omitted: a. When there is no likelihood of confusion b. After the initial call c. Never d. By the ground station only

Description : When reporting a frequency the use of the word “DECIMAL” can be omitted: a. When there is no likelihood of confusion b. After the initial call c. Never d. By the ground station only

Last Answer : c. Never

After an act of unlawful interference a report is to be made. When and to whom? a. Within 10 days and to the Authority of the State of Registry b. Immediately and to the Authority of the State of the airspace in which the event occurred c. Without delay, to the designated local authority and the Authority of the State of Registration d. Without delay, to the designated local authority and the Authority of the State of the Operator

Description : After an act of unlawful interference a report is to be made. When and to whom? a. Within 10 days and to the Authority of the State of Registry b. Immediately and to the Authority of ... d. Without delay, to the designated local authority and the Authority of the State of the Operator

Last Answer : d. Without delay, to the designated local authority and the Authority of the State of the Operator

You make a diversion from the route given in the flight plan and land at an uncontrolled airfield. Within what time after landing should you inform ATC? a. 10 mins b. 20 mins c. 30 mins d. 45 mins

Description : You make a diversion from the route given in the flight plan and land at an uncontrolled airfield. Within what time after landing should you inform ATC? a. 10 mins b. 20 mins c. 30 mins d. 45 mins

Last Answer : c. 30 mins

Following a communications failure, the time at which the aircraft should aim to leave the hold is: a. Within 10 minutes of the EAT or ETA b. Within 30 minutes of the EAT or ETA c. EAT or ETA d. Before it runs out of fuel

Description : Following a communications failure, the time at which the aircraft should aim to leave the hold is: a. Within 10 minutes of the EAT or ETA b. Within 30 minutes of the EAT or ETA c. EAT or ETA d. Before it runs out of fuel

Last Answer : c. EAT or ETA

Maximum endurance: a. Can be achieved in level unaccelerated flight with minimum fuel consumption b. Can be achieved by flying at the best rate of climb speed in straight and level flight c. Can be achieved in a steady climb d. Can be achieved by flying at the absolute ceiling

Description : Maximum endurance: a. Can be achieved in level unaccelerated flight with minimum fuel consumption b. Can be achieved by flying at the best rate of climb speed in straight and level flight c. Can be achieved in a steady climb d. Can be achieved by flying at the absolute ceiling

Last Answer : a. Can be achieved in level unaccelerated flight with minimum fuel consumption

The callsign suffix for an airfield without radar would be: a. APPROACH b. CENTRE c. INFORMATION d. RADIO

Description : The callsign suffix for an airfield without radar would be: a. APPROACH b. CENTRE c. INFORMATION d. RADIO

Last Answer : a. APPROACH

The loading limitations shall include: a. All limiting mass and centre of gravity b. All limiting mass, centre of gravity position, mass distribution and floor landing c. All limiting mass, centre of gravity position and floor loading d. All limiting mass, mass distributions and centre of gravity

Description : The loading limitations shall include: a. All limiting mass and centre of gravity b. All limiting mass, centre of gravity position, mass distribution and floor landing c. All limiting mass ... of gravity position and floor loading d. All limiting mass, mass distributions and centre of gravity

Last Answer : b. All limiting mass, centre of gravity position, mass distribution and floor landing

To cover the greatest distance when gliding, the gliding speed must be: a. Near to the stalling speed b. As high as possible within VNE limits c. About 30% faster than Vmd d. The one that gives the highest L/D ratio

Description : To cover the greatest distance when gliding, the gliding speed must be: a. Near to the stalling speed b. As high as possible within VNE limits c. About 30% faster than Vmd d. The one that gives the highest L/D ratio

Last Answer : d. The one that gives the highest L/D ratio

What is the currency requirement for a pilot? a. 3 take-offs and landings on an aeroplane of the same type within the last 90 days b. 3 take-offs and landings on an aeroplane of the same type within the last 60 days c. 3 take-offs and landings on an aeroplane of the same type or approved simulator within the last 90 days d. 3 take-offs and landings on an aeroplane of the same type or approved simulator within the last 60 days

Description : What is the currency requirement for a pilot? a. 3 take-offs and landings on an aeroplane of the same type within the last 90 days b. 3 take-offs and landings on an aeroplane of the same ... 3 take-offs and landings on an aeroplane of the same type or approved simulator within the last 60 days

Last Answer : c. 3 take-offs and landings on an aeroplane of the same type or approved simulator within the last 90 days

The range indicated by DME is considered to be accurate within: a. 3% of range b. 1.25% of range c. 0.5nm d. ±0.25nm ±1.25% of range

Description : The range indicated by DME is considered to be accurate within: a. 3% of range b. 1.25% of range c. 0.5nm d. ±0.25nm ±1.25% of range

Last Answer : d. ±0.25nm ±1.25% of range

Where do you find the majority of the air within the atmosphere? a. Troposphere b. Stratosphere c. Tropopause d. Mesosphere

Description : Where do you find the majority of the air within the atmosphere? a. Troposphere b. Stratosphere c. Tropopause d. Mesosphere

Last Answer : a. Troposphere

The MSA provides 300m obstacle clearance within how many miles radius of the navigation facility at the aerodrome? a. 20nm b. 30nm c. 25nm d. 15nm

Description : The MSA provides 300m obstacle clearance within how many miles radius of the navigation facility at the aerodrome? a. 20nm b. 30nm c. 25nm d. 15nm

Last Answer : c. 25nm

Aircraft A flies in VMC with an ATC clearance within a control area. Aircraft B without ATC clearance approaches at roughly the same height on a converging heading. Who has the right of way? a. Aircraft A, regardless of the direction from which B approaches b. Aircraft B, regardless of the direction from which A approaches c. Aircraft A, if B is to the right of him d. Aircraft B, if A is to the left of him

Description : Aircraft A flies in VMC with an ATC clearance within a control area. Aircraft B without ATC clearance approaches at roughly the same height on a converging heading. Who has the right of way? a. Aircraft A, regardless ... , if B is to the right of him d. Aircraft B, if A is to the left of him

Last Answer : d. Aircraft B, if A is to the left of him

The Vertical Separation Minimum (VSM) for flights in accordance with IFR within controlled airspace below FL290 is: a. 500 feet (150m) b. 2500 feet (750 m) c. 1000 feet (300m) d. 2000 feet (600m)

Description : The Vertical Separation Minimum (VSM) for flights in accordance with IFR within controlled airspace below FL290 is: a. 500 feet (150m) b. 2500 feet (750 m) c. 1000 feet (300m) d. 2000 feet (600m)

Last Answer : c. 1000 feet (300m)

When the aircraft carries serviceable Mode C transponder, the pilot shall continuously operate this mode: a. Only when directed by ATC b. Unless otherwise directed by ATC c. Only when the aircraft is flying within controlled airspace d. Regardless of ATC instructions

Description : When the aircraft carries serviceable Mode C transponder, the pilot shall continuously operate this mode: a. Only when directed by ATC b. Unless otherwise directed by ATC c. Only when the aircraft is flying within controlled airspace d. Regardless of ATC instructions

Last Answer : b. Unless otherwise directed by ATC

Pilots are not allowed to use the indent function on their SSR, unless: a. They operate outside controlled airspace b. If asked by ATC c. Within controlled airspace d. They operate a transponder with mode C

Description : Pilots are not allowed to use the indent function on their SSR, unless: a. They operate outside controlled airspace b. If asked by ATC c. Within controlled airspace d. They operate a transponder with mode C

Last Answer : b. If asked by ATC