If no ICAO identifier has been attributed to an aerodrome, what should be entered in Box 16 of the Flight Plan? a. ZZZZ b. NNNN c. A/N d. A/D XXX

If no ICAO identifier has been attributed to an aerodrome, what should be entered in Box 16  of the Flight Plan?  
a. ZZZZ
b. NNNN  
c. A/N  
d. A/D XXX
by

1 Answer

Answer :

a. ZZZZ
by

Related questions

no ICAO identifier has been attributed to an aerodrome, what should be entered in Box 16 of the Flight Plan? a. ZZZZ

Description : no ICAO identifier has been attributed to an aerodrome, what should be entered in Box 16 of the Flight Plan? a. ZZZZ b. NNNN c. A/N d. A/D XXX

Last Answer : a. ZZZZ

If a pilot lands at an aerodrome other than the destination aerodrome specified in the ICAO flight plan, she must ensure that the ATS unit at the destination is informed within a specified time of her planned ETA at destination. The time is:

Description : If a pilot lands at an aerodrome other than the destination aerodrome specified in the ICAO flight plan, she must ensure that the ATS unit at the destination is informed within a specified time of her planned ETA at destination. The time is:

Last Answer : 30 mins

Which of the following is an obligation of being an ICAO contracting state? a. ICAO must be informed about all new flight crew licenses and any suspended validity of such licenses b. ICAO must be informed about differences from the standards detailed in any of the annexes to the Chicago convention c. ICAO must approve the pricing of tickets on international airline connections d. ICAO must be informed about changes to national regulations

Description : Which of the following is an obligation of being an ICAO contracting state? a. ICAO must be informed about all new flight crew licenses and any suspended validity of such licenses ... of tickets on international airline connections d. ICAO must be informed about changes to national regulations

Last Answer : b. ICAO must be informed about differences from the standards detailed in any of the annexes to the Chicago convention

At the alternate aerodrome, the commander of a turbojet engine aeroplane should have a fuel quantity (final reserve) sufficient for flying during: a. 30 minutes at holding flight speed at 1,500 ft b. 45 minutes at holding flight speed at 1,500 ft c. 30 minutes at cruising speed d. 45 minutes at cruising speed

Description : At the alternate aerodrome, the commander of a turbojet engine aeroplane should have a fuel quantity (final reserve) sufficient for flying during: a. 30 minutes at holding flight speed at 1,500 ft b. 45 ... speed at 1,500 ft c. 30 minutes at cruising speed d. 45 minutes at cruising speed

Last Answer : a. 30 minutes at holding flight speed at 1,500 ft

When do you not need a destination alternate aerodrome? a. If there is a reasonable certainty that at the ETA at the destination aerodrome and a reasonable time before and after you can expect VMC b. If the flight time is less than 6 hours c. If the flight time is less than 1 hour d. If your operator deems the weather to be suitable for a visual landing

Description : When do you not need a destination alternate aerodrome? a. If there is a reasonable certainty that at the ETA at the destination aerodrome and a reasonable time before and after you can expect VMC ... less than 1 hour d. If your operator deems the weather to be suitable for a visual landing

Last Answer : a. If there is a reasonable certainty that at the ETA at the destination aerodrome and a reasonable time before and after you can expect VMC

What minimum ground visibility is required to enable a SVFR flight to take off from an aerodrome in a CTR? a. 1000m b. 1500m c. 2000m d. 3000m

Description : What minimum ground visibility is required to enable a SVFR flight to take off from an aerodrome in a CTR? a. 1000m b. 1500m c. 2000m d. 3000m

Last Answer : b. 1500m

What action should be taken when, during an IFR flight in VMC, you suffer a radio failure? a. Return to the aerodrome from which you departed b. Continue flying in VMC and land as soon as possible c. Maintain your assigned altitude and land at the nearest aerodrome at which there are VMC conditions d. Continue flying at your assigned altitude and start your approach at your ETA

Description : What action should be taken when, during an IFR flight in VMC, you suffer a radio failure? a. Return to the aerodrome from which you departed b. Continue flying in VMC and land as ... there are VMC conditions d. Continue flying at your assigned altitude and start your approach at your ETA

Last Answer : b. Continue flying in VMC and land as soon as possible

When an aircraft subjected to unlawful interference has landed in a Contracting State, it shall notify by the most expeditious means of the State of Registry and the State of the Operator of the landing and, in addition, shall similarly transmit all other relevant information to: a. Each State whose citizens suffered fatalities or injuries, each State whose citizens were detained as hostages, each State whose citizens were known to be on board and ICAO b. ICAO only c. Each State whose citizens were known to be on board only d. ICAO and each State whose citizens were known to be on board only

Description : When an aircraft subjected to unlawful interference has landed in a Contracting State, it shall notify by the most expeditious means of the State of Registry and the State of the Operator of the landing and, ... on board only d. ICAO and each State whose citizens were known to be on board only

Last Answer : a. Each State whose citizens suffered fatalities or injuries, each State whose citizens were detained as hostages, each State whose citizens were known to be on board and ICAO

The International Civil Aviation Organisation (ICAO) establishes: a. Standards and recommended international practices for contracting member states b. Aeronautical standards adopted by all states c. Proposals for aeronautical regulations in the form of 18 annexes d. Standards and recommended practices applied without exception by all states, signatory to the Chicago convention

Description : The International Civil Aviation Organisation (ICAO) establishes: a. Standards and recommended international practices for contracting member states b. Aeronautical standards adopted by all ... recommended practices applied without exception by all states, signatory to the Chicago convention

Last Answer : a. Standards and recommended international practices for contracting member states

When a state renders valid a license issued by another Contracting State, as an alternative to issuance of its own license, the validity shall: a. Not extend beyond 15 days after the validity of the license b. Not extend beyond the period of validity of the license c. Be at the discretion of the Contracting State rendering it valid d. Be at the discretion of ICAO

Description : When a state renders valid a license issued by another Contracting State, as an alternative to issuance of its own license, the validity shall: a. Not extend beyond 15 days after the validity of ... at the discretion of the Contracting State rendering it valid d. Be at the discretion of ICAO

Last Answer : b. Not extend beyond the period of validity of the license

A precautionary landing is a procedure that: a. Enables the aeroplane to land at the destination with unserviceabilities that prevent a normal instrument approach being carried out b. Enables a landing after the declaration of a state of emergency or urgency c. Enables a landing if it is suspected that the undercarriage is not properly lowered d. Is carried out in the event of landing at an alternate aerodrome

Description : A precautionary landing is a procedure that: a. Enables the aeroplane to land at the destination with unserviceabilities that prevent a normal instrument approach being carried out b. Enables a ... not properly lowered d. Is carried out in the event of landing at an alternate aerodrome

Last Answer : b. Enables a landing after the declaration of a state of emergency or urgency

If you are unable to contact a station on a designated frequency you should: a. Try another appropriate frequency b. Start transmitting blind c. Land at the nearest suitable aerodrome d. Transmit words twice

Description : If you are unable to contact a station on a designated frequency you should: a. Try another appropriate frequency b. Start transmitting blind c. Land at the nearest suitable aerodrome d. Transmit words twice

Last Answer : a. Try another appropriate frequency

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

Which action shall be taken by an aircraft in the traffic pattern of an aerodrome experiencing radio failure to indicate difficulties which compel it to land without requiring immediate assistance? a. Switching on and off three times the landing lights b. The repeated switching on and off of the landing lights c. Switching on and off four times the navigation lights d. Switching on and off four times the landing lights

Description : Which action shall be taken by an aircraft in the traffic pattern of an aerodrome experiencing radio failure to indicate difficulties which compel it to land without requiring immediate assistance? a. ... four times the navigation lights d. Switching on and off four times the landing lights

Last Answer : b. The repeated switching on and off of the landing lights

An aircraft flying in the visual circuit at an aerodrome sees a series of red flashes from the control tower. What does this mean? a. Do not land b. Do not land because the aerodrome is unusable c. Give way to other aircraft d. Return for landing and await clearance to land

Description : An aircraft flying in the visual circuit at an aerodrome sees a series of red flashes from the control tower. What does this mean? a. Do not land b. Do not land because the aerodrome is unusable c. Give way to other aircraft d. Return for landing and await clearance to land

Last Answer : b. Do not land because the aerodrome is unusable

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

A DISTRESS message differs from an URGENCY message because: a. There is grave and imminent danger which requires immediate assistance b. The aeroplane has suffered damage that endangers the ability to fly c. The aeroplane will not be able to reach a suitable aerodrome d. The situation concerns the safety of passengers on board or within sight

Description : A DISTRESS message differs from an URGENCY message because: a. There is grave and imminent danger which requires immediate assistance b. The aeroplane has suffered damage that endangers the ... suitable aerodrome d. The situation concerns the safety of passengers on board or within sight

Last Answer : a. There is grave and imminent danger which requires immediate assistance

What is required for an IFR flight in advisory airspace? a. No flight plan required b. Flight plan required and PIC must notify of any changes regardless if wanting advisory service or not c. Flight plan required but PIC need not notify of any changes d. A flight plan is only required if advisory service is required

Description : What is required for an IFR flight in advisory airspace? a. No flight plan required b. Flight plan required and PIC must notify of any changes regardless if wanting advisory service or not c ... need not notify of any changes d. A flight plan is only required if advisory service is required

Last Answer : b. Flight plan required and PIC must notify of any changes regardless if wanting advisory service or not

A flight is planned from L to M, distance 850 nm. Wind component out is 35 kt(TWC), TAS 450kt. Mean fuel flow out is 2500kg/hr, mean fuel flow inbound is 1900kg/hr and the fuel available is 6000kg. The time and distance to PSR is: a. 1hr 30 min, 660nm b. 1hr 30 min, 616nm c. 1hr 15 min, 606nm d. 1hr 16 min, 616nm

Description : A flight is planned from L to M, distance 850 nm. Wind component out is 35 kt(TWC), TAS 450kt. Mean fuel flow out is 2500kg/hr, mean fuel flow inbound is 1900kg/hr and the fuel available is 6000kg. The time ... 30 min, 660nm b. 1hr 30 min, 616nm c. 1hr 15 min, 606nm d. 1hr 16 min, 616nm

Last Answer : d. 1hr 16 min, 616nm

In the event of an act of unlawful interference, which of the following is the correct procedure to be taken by the pilot in command? a. Squawk 7700 if the situation requires and continue the flight as per the ATC clearance received if possible b. Squawk 7500 and broadcast a warning to ATC other traffic on 121.500MHz or the frequency in use whilst maintaining the flight as cleared c. Squawk 7500 (or 7700 if required) and broadcast a warning if the situation forces deviation from the cleared flight plan d. If forced to deviate from the flight plan, climb or descend to altitudes that differ from the normal cruising altitudes by 1000ft

Description : In the event of an act of unlawful interference, which of the following is the correct procedure to be taken by the pilot in command? a. Squawk 7700 if the situation requires and continue ... the flight plan, climb or descend to altitudes that differ from the normal cruising altitudes by 1000ft

Last Answer : c. Squawk 7500 (or 7700 if required) and broadcast a warning if the situation forces deviation from the cleared flight plan

Which of the following would give the best indication of speed? a. A VOR on the flight plan route b. A VOR off the flight plan route c. A DME on the flight plan route d. A DME off the flight plan route

Description : Which of the following would give the best indication of speed? a. A VOR on the flight plan route b. A VOR off the flight plan route c. A DME on the flight plan route d. A DME off the flight plan route

Last Answer : c. A DME on the flight plan route

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

What is the Total Elapsed Time on a VFR flight plan? a. From take-off to overhead destination b. From take-off to overhead destination + 15 mins c. From take-off to landing d. From taxi to arrival on the gate

Description : What is the Total Elapsed Time on a VFR flight plan? a. From take-off to overhead destination b. From take-off to overhead destination + 15 mins c. From take-off to landing d. From taxi to arrival on the gate

Last Answer : a. From take-off to overhead destination

In flight, it is possible to: i. File an IFR flight plan ii. Modify an active flight plan iii. Cancel a VFR flight plan iv. Close a VFR flight plan (rules of the air ann2 3.3.5) a. i and ii b. i, ii, iii and iv c. ii, iii and iv d. i and iv

Description : In flight, it is possible to: i. File an IFR flight plan ii. Modify an active flight plan iii. Cancel a VFR flight plan iv. Close a VFR flight plan (rules of the air ann2 3.3.5) a. i and ii b. i, ii, iii and iv c. ii, iii and iv d. i and iv

Last Answer : b. i, ii, iii and iv

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

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

If an ATC clearance is not suitable, the PIC may: a. Offer ATC an acceptable clearance b. Request and if practicable accept an amended clearance c. Demand an alternative clearance and ATC must comply d. Decline the clearance on the grounds that it is not in accordance with the field flight plan

Description : If an ATC clearance is not suitable, the PIC may: a. Offer ATC an acceptable clearance b. Request and if practicable accept an amended clearance c. Demand an alternative clearance and ATC must ... d. Decline the clearance on the grounds that it is not in accordance with the field flight plan

Last Answer : b. Request and if practicable accept an amended clearance

When the Captain cannot comply with an ATC clearance: a. The Captain must accept the ATC clearance, because it is based on a filed flight plan b. He/she may request an amended clearance and, if executable, he/she will accept that clearance c. He/she may ask a new clearance and the appropriate ATC must grant him/her that clearance d. He/she may suggest a new clearance to ATC

Description : When the Captain cannot comply with an ATC clearance: a. The Captain must accept the ATC clearance, because it is based on a filed flight plan b. He/she may request an amended clearance and, if ... appropriate ATC must grant him/her that clearance d. He/she may suggest a new clearance to ATC

Last Answer : b. He/she may request an amended clearance and, if executable, he/she will accept that clearance

A controlled flight is required to inform the concerned ATC unit when the average TAS at cruising level deviates or is expected to deviate compared to that given TAS in the Flight Plan by at least plus or minus: a. 10% b. 3% c. 5% d. 2%

Description : A controlled flight is required to inform the concerned ATC unit when the average TAS at cruising level deviates or is expected to deviate compared to that given TAS in the Flight Plan by at least plus or minus: a. 10% b. 3% c. 5% d. 2%

Last Answer : d. 2%

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

What flight condition should be expected when an aircraft leaves ground effect? a. A decrease in parasite drag permitting a lower angle of attack b. An increase induced drag and a requirement for a higher angle of attack c. An increase in dynamic stability d. A decrease in induced drag requiring a smaller angle of attack

Description : What flight condition should be expected when an aircraft leaves ground effect? a. A decrease in parasite drag permitting a lower angle of attack b. An increase induced drag and a requirement ... increase in dynamic stability d. A decrease in induced drag requiring a smaller angle of attack

Last Answer : b. An increase induced drag and a requirement for a higher angle of attack

An aircraft has a stalling speed in level flight of 70kt IAS. In a 60° balanced turn, the stalling speed would be: a. 76kt b. 84kt c. 99kt d. 140kt

Description : An aircraft has a stalling speed in level flight of 70kt IAS. In a 60° balanced turn, the stalling speed would be: a. 76kt b. 84kt c. 99kt d. 140kt

Last Answer : c. 99kt

The purpose of a trim tab is: a. To assist the pilot in initiating movement of the controls b. To zero the load on the pilot controls in the flight attitude required c. To provide feel to the controls at high speed d. To increase the effectiveness of the controls

Description : The purpose of a trim tab is: a. To assist the pilot in initiating movement of the controls b. To zero the load on the pilot controls in the flight attitude required c. To provide feel to the controls at high speed d. To increase the effectiveness of the controls

Last Answer : b. To zero the load on the pilot controls in the flight attitude required

To ensure some degree of longitudinal stability in flight, the position of the CG: a. Must always coincide with the AC b. Must be forward of the Neutral Point c. Must be aft of the Neutral Point d. Must not be forward of the aft CG limi

Description : To ensure some degree of longitudinal stability in flight, the position of the CG: a. Must always coincide with the AC b. Must be forward of the Neutral Point c. Must be aft of the Neutral Point d. Must not be forward of the aft CG limi

Last Answer : b. Must be forward of the Neutral Point

The stalling speed of an aeroplane is most affected by: a. Changes in air density b. Variations in aeroplane loading c. Variations in flight altitude d. Changes in pitch attitude

Description : The stalling speed of an aeroplane is most affected by: a. Changes in air density b. Variations in aeroplane loading c. Variations in flight altitude d. Changes in pitch attitude

Last Answer : b. Variations in aeroplane loading

Which statement is true regarding the opposing forces acting on an aeroplane in steady-state level flight? a. Thrust is greater than drag and weight and lift are equal b. These forces are equal c. Thrust is greater than drag and lift is greater than weight d. Thrust is slightly greater than lift, but the drag and weight are equal

Description : Which statement is true regarding the opposing forces acting on an aeroplane in steady-state level flight? a. Thrust is greater than drag and weight and lift are equal b. These forces are equal ... greater than weight d. Thrust is slightly greater than lift, but the drag and weight are equal

Last Answer : b. These forces are equal

When refuelling is being conducted with passengers embarking or disembarking: a. Refuelling is strictly prohibited whilst passengers are embarking or disembarking b. All flight crew must be on board c. Communications shall be maintained by ground crew and qualified crew on board d. The stairs shall be fully extended

Description : When refuelling is being conducted with passengers embarking or disembarking: a. Refuelling is strictly prohibited whilst passengers are embarking or disembarking b. All flight crew must be on board c. ... by ground crew and qualified crew on board d. The stairs shall be fully extended

Last Answer : c. Communications shall be maintained by ground crew and qualified crew on board

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

When must a radiation indicator be carried? a. For flight above 29,000ft b. For flight above 39,000ft c. For flight above 49,000ft d. For flight above 59,000ft

Description : When must a radiation indicator be carried? a. For flight above 29,000ft b. For flight above 39,000ft c. For flight above 49,000ft d. For flight above 59,000ft

Last Answer : c. For flight above 49,000ft

One way in which passengers can be reassured during an emergency is: a. To regularly see members of the flight crew calmly moving about the cabin in a relaxed manner b. For the captain or first officer to keep a running commentary going over the PA c. For the cabin staff to ensure the passengers are aware of what is happening and that they are complying with instructions d. For the cabin staff to direct passengers’ attention to the emergency passenger brief cards and make sure that they have read them

Description : One way in which passengers can be reassured during an emergency is: a. To regularly see members of the flight crew calmly moving about the cabin in a relaxed manner b. For the ... to direct passengers' attention to the emergency passenger brief cards and make sure that they have read them

Last Answer : c. For the cabin staff to ensure the passengers are aware of what is happening and that they are complying with instructions

After an accident, the operator of an aeroplane equipped with a flight recorder must keep the original recordings for a minimum period of: a. 30 days b. 90 days c. 45 days d. 60 days

Description : After an accident, the operator of an aeroplane equipped with a flight recorder must keep the original recordings for a minimum period of: a. 30 days b. 90 days c. 45 days d. 60 days

Last Answer : d. 60 days

A Flight Data Recorder is required in aeroplanes over: a. 20,000kg b. 5,700kg c. 10,000kg d. 7,000kg

Description : A Flight Data Recorder is required in aeroplanes over: a. 20,000kg b. 5,700kg c. 10,000kg d. 7,000kg

Last Answer : b. 5,700kg

When does a pilot apply the limitations of the MEL? a. At parking before commencement of taxi b. Prior to take-off c. At any time in flight d. Any time up to coming to a complete stop and applying the parking brake

Description : When does a pilot apply the limitations of the MEL? a. At parking before commencement of taxi b. Prior to take-off c. At any time in flight d. Any time up to coming to a complete stop and applying the parking brake

Last Answer : d. Any time up to coming to a complete stop and applying the parking brake

Who checks, before flight, that the aircraft’s weight is such that the flight can be safely made and that any transported cargo is properly distributed and secured? a. The company’s cargo technicians b. The captain c. The mechanic on board, or in his absence the co-pilot d. The operator

Description : Who checks, before flight, that the aircraft’s weight is such that the flight can be safely made and that any transported cargo is properly distributed and secured? a. The company’s cargo technicians b. The captain c. The mechanic on board, or in his absence the co-pilot d. The operator

Last Answer : b. The captain

Who is responsible for reporting acts of unlawful interference? a. The Commander or the Operator b. The ATCU for the airspace in which the event occurred c. Any member of the flight crew d. Any person on board the aeroplane

Description : Who is responsible for reporting acts of unlawful interference? a. The Commander or the Operator b. The ATCU for the airspace in which the event occurred c. Any member of the flight crew d. Any person on board the aeroplane

Last Answer : a. The Commander or the Operato

On receipt of a TCAS RA, your action is to: a. Initiate the required maneuver immediately b. Make a note of the details c. Request a flight clearance deviation from ATC d. Do nothing until a TA is received

Description : On receipt of a TCAS RA, your action is to: a. Initiate the required maneuver immediately b. Make a note of the details c. Request a flight clearance deviation from ATC d. Do nothing until a TA is received

Last Answer : a. Initiate the required maneuver immediately

From a pre-flight briefing you know a jet stream is at 31,000ft whilst you are at FL270. You experience moderate CAT. What would be the best course of action? a. Stay level b. Descend c. Climb d. Reduce speed

Description : From a pre-flight briefing you know a jet stream is at 31,000ft whilst you are at FL270. You experience moderate CAT. What would be the best course of action? a. Stay level b. Descend c. Climb d. Reduce speed

Last Answer : b. Descend

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

The isobars drawn on a surface weather chart represent lines of equal pressure: a. At flight level b. At height of observatory c. At a determined density altitude d. Reduced to sea level

Description : The isobars drawn on a surface weather chart represent lines of equal pressure: a. At flight level b. At height of observatory c. At a determined density altitude d. Reduced to sea level

Last Answer : d. Reduced to sea level