Comkputer based minimum Q Flashcards
Which moments or motions interact in a Dutch roll?
Yaw and roll.
A Dutch roll is a coupled lateral-directional oscillation observed in aircraft, primarily involving a combination of yawing and rolling motions. It is typically a stability issue that affects swept-wing and high-speed jets more than straight-wing or slower aircraft.
Why Is It Called Dutch Roll?
The term originates from a resemblance to a traditional Dutch ice-skating technique, where skaters glide side-to-side in a smooth, swaying motion. Similarly, an aircraft experiencing a Dutch roll exhibits a side-to-side yawing combined with a rolling motion.
How Does Dutch Roll Happen?
Initial Yaw Disturbance:
A disturbance (like turbulence or improper control input) causes the aircraft’s nose to yaw (move side-to-side).
Roll Reaction (Dihedral Effect):
As the aircraft yaws, one wing advances faster than the other.The advancing wing generates more lift due to increased airspeed, causing the aircraft to roll toward the opposite side of the yaw.
Yaw Reaction from Roll:
The roll induces further yaw due to aerodynamic forces.The oscillation continues as yaw and roll feed into each other.
Oscillation:
The aircraft will sway from side to side and roll alternately, creating a damped oscillation (if the aircraft is stable) or a growing oscillation (if the aircraft is unstable).
Cruising at 600 km/h, how many km/min?
10 km/min
600km/h÷60=10km/min
The fuel consumption of an aircraft is 2400 kg/h. If it is fitted with sharklets, fuel consumption is reduced by 5%. What is the consumption of an engine (ac fitted with sharklets) in 180 minutes?
6840 kg
The diameter of a wheel is 60 cm. What is the distance covered in 2 revolutions?
376.99 cm
4(x+3)=28. What is xxx?
4
If 6 workers do the job in 40 hours, how much time will it take for 5 workers?
48 hours
Sum of prime numbers between 4 and 16?
36
5+7+11+13=36
What is the volume of the cube (in m³), if the lengths of the sides are 100 cm, 50 cm, 50 cm?
0.25 m³
1.1 x 1.1?
1.21
Start with 1:
Since both numbers are close to 1, begin with 1 as your base.
Add the small increases:
Both numbers are 0.1 more than 1. Add these together:
0.1 + 0.1 = 0.2
Add the product of the small increases:
Multiply the two small increases:
0.1 × 0.1 = 0.01
Add everything together:
1 + 0.2 + 0.01 = 1.21
Which engine is on our A320neo fleet?
Pratt & Whitney PW1100G-JM.
The Airbus A320neo fleet of Wizz Air is powered by the Pratt & Whitney PW1100G-JM engines, which are part of the Geared Turbofan (GTF) engine family. This engine is known for its advanced technology, including a reduction gear system that allows the fan to rotate at a different speed than the low-pressure turbine.
This innovation improves fuel efficiency by up to 16%, reduces noise footprint by around 75%, and decreases nitrogen oxide emissions significantly compared to previous-generation engines. The enhanced performance of the PW1100G-JM aligns with Wizz Air’s strategy to operate a fuel-efficient, environmentally friendly fleet.
Where is the financial HQ of Wizz Air?
Jersey, Channel Islands.
The financial headquarters of Wizz Air Holdings Plc is located in Jersey, one of the Channel Islands. Jersey is a well-known offshore financial center, offering favorable tax and regulatory advantages for international businesses. While Wizz Air’s operational headquarters is in Budapest, Hungary, the financial HQ in Jersey allows the company to manage its financial affairs more efficiently, particularly concerning taxation and corporate structure. This setup is common for many multinational companies looking to optimize their financial operations.
Wizz Air was established on?
19 September 2003.
First Wizz Air flight took off from?
Katowice International Airport (KTW), Poland.
Wizz Air, a Hungarian low-cost airline, launched its first commercial flight on May 19, 2004, from Katowice International Airport to London Luton Airport. Katowice was chosen due to its strategic location in Poland, offering access to a large market in Central and Eastern Europe. This inaugural flight marked the beginning of Wizz Air’s rapid expansion across Europe.
With the centre of gravity on the forward limit, the stalling speed would?
Why are vortex generators often fitted on aircraft with straight wings?
Answer: To delay flow separation and improve control effectiveness.
What is the approximate composition of the dry air by volume in the troposphere?
Nitrogen (N₂): 78.09%
Oxygen (O₂): 20.95%
Argon (Ar): 0.93%
Carbon Dioxide (CO₂): 0.04%
Other Gases: Trace amounts (neon, helium, methane, krypton, hydrogen)
What does RVR stand for?
Runway Visual Range
What is the meaning of the abbreviation “BKN”?
Broken
Other Octas in metar?
Landing at an airfield (elevation: 540 ft, QNH: 993) with your altimeter set to 1013, what will be the indication on the ground?
1180 ft
The Minimum Equipment List (MEL) is established by?
The aircraft operator, approved by the national aviation authority.
Right after takeoff there is a microburst in front of you. What can you expect first?
Runway centre line lights shall be fixed lights showing variable …. from the threshold to the point 900 m from the runway end, alternate …. and variable …. from 900 m to 300 m from the runway end, and …. from 300 m to the runway end.
White from the threshold to 900 m from the runway end
Alternate white and red from 900 m to 300 m from the runway end
Red from 300 m to the runway end
You are turning from 330°(C) to 040°(C) in the Northern Hemisphere, using timing. You stop the turn at the correct time. Before the direct indicating magnetic compass settles down, does it over-read or under-read, and does the effect of liquid swirl increase or decrease?
The compass will over-read, and the effect of liquid swirl will increase.
A great circle is defined as?
A circle on the surface of a sphere whose center and radius are the same as the sphere itself.
Landing in LVO with one white and one red runway centerline light:
You are between 900 meters and 300 meters from the runway end.
Calculate the vertical speed needed to maintain a 7.5% climb gradient at a ground speed of 200 knots (mental math solution):
1,500 feet per minute (fpm)
RVSM (Reduced Vertical Separation Minimum):
RVSM is a system that reduces the standard vertical separation between aircraft from 2,000 feet to 1,000 feet in the altitude range of FL290 (29,000 ft) to FL410 (41,000 ft).
RVSM airspace below FL290:
RVSM does not apply below FL290.
Effect of low temperature on approach:
It causes the aircraft to fly lower than indicated on the altimeter.
Impact on glide path due to temperature:
Correcting for temperature:
Pilots use a temperature-correction factor to adjust their altimeter settings or flight profiles when the actual temperature deviates from the standard atmosphere.
Dynamic pressure and static pressure.
Dynamic pressure and static pressure.
Pressure in the altimeter and vertical speed indicator:
Static pressure
Blocked pitot tube:
A blocked pitot tube primarily affects the airspeed indicator by providing incorrect or frozen airspeed readings.
Minima for CAT I/II/III approaches:
The minima for precision approaches under Category (CAT) I, II, and III are defined by specific decision heights (DH) and runway visual ranges (RVR).
Calculating TOD (Top of Descent) for continuous descent from FL210:
70NM
Decision point procedure:
Decision Point is the point along the route where pilots decide whether to continue to Destination 1 (the planned destination) or divert to Destination 2 based on the fuel remaining on board. If the crew estimates there is enough fuel to safely reach the planned destination, they continue the flight. If not, they divert to Destination 2 to safely land and refuel.
Contingency fuel is add from DP to destination to add more traffic load.
Absolute Ceiling
Service Ceiling
The Master Minimum Equipment List (MMEL)
Approach minima:
Mode A reply codes:
Contamined runway %
Fuel samples appear cloudy or hazy:
Suspended water appears in the form of droplets – a high concentration will make the fuel look cloudy or hazy. Free water can begin as water dissolved in contaminated fuel. It can also be caused by condensation or leakage in underground tanks or inside the aircraft’s fuel tanks.
Speed changes MACH, TAS, CAS, EAS
ASI erorrs:
EGPWS Modes and warnings:
What is SPECI?
Freezing rain in europe?
For a landing to continue following a single failure below alert height, the aircraft must be equipped with what type of system?
On a Lambert Conformal Conic (LCC) chart, where is the map scale constant?
What is the most common specific cause of pilot-induced accidents?
A flight carried out below the optimum altitude would result in which of the following?
Lower ground speed, thus more time and more fuel
Higher Mach and less fuel, less time, more fuel
Lower IAS, thus lower fuel consumption
What happens when a jet-powered aircraft flies above its optimum altitude?
What happens to the Airspeed Indicator (ASI) if both the pitot tube and drain hole are blocked, but the static port remains open?
When do the biggest errors occur in a direct-reading magnetic compass?
In the Southern Hemisphere, what happens to a magnetic compass during deceleration after landing on an easterly heading?
What is the main function of Vortex Generators (VGs) on an aircraft?
What does linear acceleration cause in the somatogravic illusion, and how does it affect the pilot’s perception of aircraft attitude?
What is the Holdover Time (HOT) during a two-stage de-icing/anti-icing procedure, and when does it start?
What are the oxygen supply requirements for a public transport aircraft operating at FL 390 (39,000 feet)?
Who draws up the Minimum Equipment List (MEL), and who must approve it before use?
What is Dutch Roll, and what causes it?
What is the Bourdon tube, and what is it used for in aviation?
How does density vary with pressure and temperature?
What causes the seasons on Earth?
What is the requirement for flight crew oxygen masks from Flight Level (FL) 250 and above?
What is Mach number (M), and how is it calculated?
What is Aerodrome QNH, and how is it used in aviation?
What do the runway centerline lights indicate when there are 3,000 feet (900 meters) of runway remaining?
Which runway lights you know?
Approach and runway lighting CAT 1.2.3?
What engines are used on Wizz Air’s A320ceo and A320neo aircraft?
What must a flight crew license holder do after being hospitalized before resuming flight duties?
What is the purpose of Variable Inlet Guide Vanes (VIGVs) in a gas turbine engine?
What causes hoar frost on an aircraft’s surface? And other icing types?
How does flap extension affect Vx and Vy?
What is Vx and Vy?
How do runway centerline lights change as the aircraft approaches the end of the runway?
What happens to the altimeter after an active cold front passes, and why?
What are the altitude thresholds for hypoxia symptoms and the need for supplemental oxygen?
What happens to an aircraft’s true altitude when flying at a constant indicated altitude over a warm airmass?
What are approach categories on aircraft based upon?
What is ETOPS?
ETOPS Categories:
Segments of Take off
RVSM flight levels
Taxiway Lights:
Flight Level Intervals in Non-RVSM Airspace increased to 2000ft:
Effect of Moving the CG from Forward to Aft Position:
Advantages and Disadvantages of Swept Wings:
Wet Runway Definition:
Contaminated Runway Definition:
Effect of Forward CG (Center of Gravity):
Effect of Aft CG (Center of Gravity):
The outside air temperature probe:
limit of the green arc on the airspeed indicator:
A trough of low pressure
When flaps are extended on an aircraft, they affect the Vx (best angle of climb speed) and Vy (best rate of climb speed):
QNH:
QFE:
A shuttle valve:
Vortex generators
The Bourdon tube:
Seasons on Earth:
Hoar frost forms:
linear acceleration creates a false impression:
Lambert Conformal Conic (LCC) scale:
What does fail-safe design in aircraft structures mean?
What happens to the altitude of the tropopause as you move from the equator to the north pole?
What is the tropopause?
The tropopause is the boundary layer that separates the Earth’s troposphere from the stratosphere. It is characterized by a temperature inversion, where the temperature stops decreasing with height (as it does in the troposphere) and begins to increase (as it does in the stratosphere). The tropopause marks the upper limit of weather phenomena like clouds, rain, and storms, which generally occur in the troposphere.
How high is the tropopause?
The height of the tropopause varies with latitude and season. It is typically located about 8 km above the Earth’s surface at the poles and about 18 km above the surface at the equator. This variation is due to the difference in temperature and atmospheric pressure between the poles and the equator.
VLE:
Why will a flight carried out below the optimum altitude result in increased fuel consumption and decreased efficiency?
EAS:
What is GPWS?
(EGPWS) vs GPWS
A SPECI report:
The precession of a gyroscope in an aircraft
The TAF (Terminal Aerodrome Forecast):
MIFG and BCFG meaning?
LVO lighting:
What is the aviation definition of height?
What is the sterile cockpit rule?
When does the sterile cockpit rule apply at Wizz Air?
After rain, a runway with a shiny surface but no visible water patches is classified as:
If the autothrust (A/THR) is active and the pilot selects a speed lower than Alpha protection speed, what speed will the aircraft maintain?
What is Alpha Protection in Airbus?
What is a conditional ATC clearance?
How are MMO and VMO limits displayed on the PFD in Normal Law?
What can increase the optimum cruising altitude?
What is the purpose of baffle check valves?
At what cabin altitude must passengers use supplemental oxygen?
How many automatic pressurization controllers are installed in the Airbus A320?
What does the registration mark consist of and by who is it assigned?
In case of an SSR transponder failure occurring after departure of an IFR flight, the pilot shall:
What happens to the pack valves when the bleed air system loses pressure?
What are ribs for in wings?
What does CEO and NEO stand for?
What is the definition of TODA?
TORA?
ASDA?
LDA?
Clearway?
Stopway?
Runway Strip?
Which of the following combinations provides the best visual landmarks for a VFR flight?
Large water reservoir
Fruit land farm
Excessively high mast
Roads of a large city
High tension power line
