آزمون دیسپچ (کارشناس عملیات پرواز)

1.METAR in Iran will be issued every:

1. A1 hr
2. B30 minute
3. CA or B
4. DNone

2.Where can find the information about flight plan?

1. AENR 1
2. BENR 3
3. CGEN 3
4. DGEN 2

3.What is the validity of "SNOWTAM"?

1. A12 hr
2. B30 min
3. C24 hr
4. D60 min

1.High temperature reduces gas turbine engine performance about.

1. A7%
2. B14%
3. C20%
4. DA & B are correct

2.Which statement is correct about Vx?

1. AMax altitude gains at short distance
2. BIncrease by altitude increase for piston engine aircraft.
3. CBest angle of climb speed
4. DA, B, C are correct

3.At approximately what speed should you expect dynamic hydroplaning to occur if a tire has an air pressure of 180 PSI?

1. A95 knots
2. B98 knots
3. C115 knots
4. D104 knots

1.If the aircraft cannot squawk IDENT, what directions can ATS give to the pilot, without directing him to turn the aircraft?

1. ASwitch to ON then STBY.
2. BSwitch to OFF.
3. CSwitch to STBY then OFF.
4. DSwitch to STBY then ON.

2.How long before entering TEHRAN FIR an aircraft shall report its position for the purpose of military identification?

1. A5 Minutes
2. BAt least 10 minutes
3. C10 minutes
4. DAny time

3.REF Mehrabad chart (10-9), which runway elevation is airport elevation?

1. A11R
2. B11L
3. C29L
4. D29R

1.Which one is considered as minima for VMC?

1. AFlight visibility 5Km/ distance from cloud 1500 ft horizontally, 1000 M vertically.
2. BFlight visibility 5Km/ distance from cloud 1500 M horizontally, 1000 ft vertically.
3. CFlight visibility 5Km/ distance from cloud 1000 M horizontally, 1500 ft vertically.
4. DFlight visibility 5Km/ distance from cloud 1000 ft horizontally, 1500 M vertically.

2.Which light fitted on aircraft may be switched off by pilot?

1. ANavigation lights.
2. BAny flashing lights.
3. CStrobe lights.
4. DLanding lights.

3.The position of an aircraft during descent within transition layer is:

1. AAltitude
2. BHeight
3. CFlight level
4. DElevation

1.Refer to METAR "OIFM 152200Z 00000KT 0100 FG SCT035 BKN100 M02/M02 Q1011 A2986" what is the horizontal visibility?

1. A1,000 m
2. B100 m
3. C3,500 m
4. D2200 m

2.When SPECI must be issued?

1. ATemperature increase 1°C
2. BWind direction change 20 or more
3. CWind speed change 10 knots or more
4. DChange in cloud base

3.The temperature at FL 110 is -5°C. What will the temperature be at FL050 if the ICAO standard lapse rate is applied?

1. A-3°C
2. B+3°C
3. C0°C
4. D+7°C

1.For which type of airplane, the 15% of fuel shall be considered?

1. AReciprocating engine(Piston)
2. BTurbine engine
3. CA and B
4. DJet engine

2.All airplane on all flights shall carry:

1. AOperational manual
2. BFlight manual
3. CCurrent suitable chart
4. DAll above correct

3.Pilot in command is responsible for the:

1. AOperation and safety of aircraft during flight time
2. BOperation and control of aircraft during flight time
3. COperation and control and safety of aircraft
4. DAll of the above

1.Distress is defined as:

1. AA condition concerning the attitude of an aircraft when intercepting the localizer during an ILS approach.
2. BA condition concerning the safety of an aircraft or of a person on board, but which does not require immediate assistance.
3. CA condition of being threatened by serious and/or imminent danger and requiring immediate assistance.
4. DA condition concerning the safety of a person on board or within sight and requiring immediate assistance.

2.When the term "BROKEN" is used in aviation routine weather report (METAR), the amount of clouds covering the sky is:

1. A5 to 7 oktas.
2. B1 to 4 oktas.
3. C8 oktas below 10.000 feet.
4. DNo clouds below 5.000 feet.

3.How many pre-selected audio tones may be used to determine "SELCAL"?

1. A4
2. B3
3. C2
4. D1

1.Which of the following describe the state of the surface of a runway?

1. AWet; damp; flushed; contaminated.
2. BContaminated; flooded; damp; wet with water patches.
3. CDry; wet; water patches; flooded.
4. DDry; damp; wet; water patches; flooded.

2.The braking action for a specific runway is reported as "0,36". This means the estimated surface friction is:

1. APoor.
2. BMedium/poor.
3. CMedium/good.
4. DGood.

3.Dry snow is snow which:

1. AHas specific gravity over 0,5.
2. BWill fall apart again if compacted by hand.
3. CWill form a snow ball if compacted by hand.
4. DHas a low water content.

1.What is put in" item 8 of a flight plan form if the flight is under VFR?

1. AI
2. BV
3. CY
4. DZ

2.When VMC, descend may authorize?

1. ADay light
2. BNight.
3. CHeavy traffic.
4. DEmergency.

3.A change from instrument flight rules (IFR) to visual flight rules (VFR) is only acceptable, when VFR is permitted in that air space and when:

1. AATC invites the PIC to change from IFR to VFR.
2. BThe position of the change has been noted on the ATC flight plan. The cancellation of the IFR flight will then be made automatically by ATC.
3. CThe PIC has requested and obtained an ATC CLR for the change and has filed a special VFR flight plan.
4. DThe change is initiated by the PIC with a message I containing the specific expression "cancelling my IFR flight".

1.You are flying a constant compass heading of 252° Variation is 22°E, deviation is 3°W and your INS is showing a drift. of 9° to the right. True track is?

1. A242°
2. B2620
3. C2800
4. D2240

2.How many feet you have to climb to reach FL75? Given: Departure aerodrome elevation: 1500 ft. QNH: 1023 hPa Temperature: ISA (Assume 1 hPa is 30 ft.)

1. A6300 ft.
2. B6000 ft.
3. C6600 ft.
4. D7800 ft.

3.The measured course 042° T. The variation in the area is 6°W and the wind is calm. The deviation is 4°W In order to follow this course, the pilot must fly a compass heading of:

1. A040 °
2. B044°
3. C052 °
4. D058 °

1.Given: 39,000 ft. Pressure Altitude -20 °C Indicated Air Temperature 230 kts Calibrated Air Speed CT = 1 Find True Air Speed?

1. A423 Kts
2. B431 Kts
3. C454 Kts
4. D442 Kts

2.If the TAS exceeds the CAS by 20% at FL 100 the OAT should be:

1. A-5 °C.
2. B+5 °C.
3. C+15 °C.
4. Dis not defined.

3.Given: 120 kts CAS: FL 80 P.A +20°C OAT: What is the TAS?

1. A132 kts
2. B102kts
3. C120 kts
4. D141 kts

1.What is the approximate percentage of nitrogen in the atmosphere at 25.000 ft.?

1. A1%
2. B78%
3. C43%
4. D21%

2.When you consume alcohol, your physiological altitude:

1. AIncreases.
2. BDecreases.
3. CDoes not affect.
4. DIt depends of individual metabolism

3.Healthy people are usually capable to compensate for a lack of oxygen up to:

1. A15.000 feet.
2. B10.000 - 12.000 feet.
3. C20.000 feet.
4. D25.000 feet.

1.Attitude indicator provide correct indication of pitch and bank during …. Turn?

1. A90° of turn
2. B180° of turn
3. C360° of turn
4. D270° of turn

2.As an airplane is rolled out of a 180 left. turn to straight and level flight on the attitude indicator the aircraft will be in a:

1. ASlight turn to the right and climbing slightly
2. BSlight turn to the left. and descending slightly
3. CSlight skid to the right and climbing slightly
4. DSlight slip to the left. and descending slightly

3.What would be the airspeed indicator after pilot tube become clogged but drain opening hole be open?

1. AAct as altimeter
2. Bincrease during descend
3. CDecrease during ascend
4. Ddrop to zero

1.How much weight must be removed from station 130.0" to place CG at station 89.0"? Total weight 5100 lbs CG location station 90.0

1. A124.4 pounds
2. B122.2 pounds
3. C127.5 pounds

2.How much weight must be removed from St. 43`` to place CG at its limit? Airplane gross weight 7700 lbs CG location St. 88`` Aft CG limit St. 89.5``

1. A239.6 lbs
2. B256.7 lbs
3. C248.4 lbs

3.What is the new CG location if 670 lbs of cargo are moved from forward cargo hold to the aft cargo hold? Airplane weight 161,200 lbs CG. prior to shift. 887`` Arm of FWD. hold 409`` Arm of aft hold 1007``

1. A884.51"
2. B889.49"
3. C1003.5"

1.Connecting lines of equal pressure points is called:

1. Aisoline.
2. Bisobar.
3. Cisotach.
4. Disoterm.

2.Turbulence that is encountered above 15000 ft., AGL not associated with cumuliform cloudiness, including thunderstorm should be reported as:

1. AConvective turbulence.
2. BSevere turbulence.
3. COrographic turbulence.
4. DClear air turbulence.

3.Which cloud type may indicate the presence of severe turbulence?

1. AAltocumulus standing lenticular.
2. BStratocumulus.
3. CCirrocumulus.
4. DNimbostratus.

1.Drag is broadly divided into two types:

1. AForm drag and skin friction.
2. BParasite drag and form drag.
3. CInduced drag and parasite drag.

2.What is the characteristic of flight at maximum L/D in a propeller-driven airplane?

1. ABest angle of climb.
2. BMaximum range and maximum glide distance.
3. CMaximum coefficient of lift. and minimum coefficient of drag.

3.An airplane leaving ground effect will :

1. ADisplays more stability and a nose change in moment.
2. BExperiences an increase in induced drag require more thrust.
3. CRequires a Lower angle of attack to maintain the same lift. coefficient.

1.The range of an NDB frequency is:

1. A200-415 MHZ-L/MF.
2. B190-535 KHZ-L/MF.
3. C200-1750 KHZ-VHP.
4. D30-3000 KHZ-L/MF.

2.The magnetic heading is 315° and the ADF shows a relative bearing of 140°, the magnetic bearing FROM the radio beacon would be:

1. A095°
2. B005°
3. C275
4. D185°

3.Given: 10° Wingtip bearing change 4 min Elapsed time between bearings 12 Gal/hr. Fuel flow Calculate the fuel required to fly to the station:

1. A4.8 Gal
2. B8.4 Gal
3. C12 Gal
4. D24 Gal