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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

In an aircraft, the cockpit is usually referred to as the _________(a) Aircraft deck(b) Flight deck(c) Control deck(d) Operating deckI got this question during an online exam.This intriguing question comes from Aircraft Cockpit topic in chapter Cockpit Overview of Aircraft Maintenance

Answer» RIGHT choice is (b) Flight deck

To explain: In an AIRCRAFT, the cockpit is USUALLY REFERRED to as the flight deck. It is usually NEAR the front of an aircraft, from where a pilot controls the aircraft.
2.

When was the word cockpit first used in context to airplanes?(a) 1994(b) 2004(c) 1914(d) 1814This question was posed to me in an online quiz.Question is from Aircraft Cockpit topic in section Cockpit Overview of Aircraft Maintenance

Answer» CORRECT answer is (c) 1914

Explanation: The word cockpit was first USED in context to airplanes in 1914. Further, from about 1935, the TERM cockpit was used INFORMALLY to refer to the driver’s cabin, especially in high performance CARS.
3.

What is the full form for HOTAS?(a) Hands on Throttle and Stick(b) Hands on Throttle and Stand(c) Hands on Thrust and Stand(d) Hands on Throttle and SlatsThe question was posed to me in an interview for internship.Asked question is from Aircraft Cockpit in division Cockpit Overview of Aircraft Maintenance

Answer»

The correct option is (a) Hands on Throttle and Stick

To ELABORATE: HOTAS is an ACRONYM for Hands on Throttle and Stick. It is the concept of placing buttons and SWITCHES on the throttle LEVER and flight control stick in an aircraft COCKPIT.

4.

Which of the following was the first airplane with a completely enclosed cabin for pilots?(a) Avro Type F(b) MD-80(c) Blériot VIII(d) Bell X-1This question was addressed to me in an international level competition.My enquiry is from Aircraft Cockpit in section Cockpit Overview of Aircraft Maintenance

Answer»

Right OPTION is (a) Avro Type F

The explanation is: Avro Type F was the first airplane with a completely enclosed cabin for pilots. It was an early SINGLE seat British AIRCRAFT, which was introduced in 1912.

5.

Which of the following is not a function provided by HOTAS?(a) Radio communications(b) Nose wheel steering(c) Speed brake controls(d) Landing gear controlsThis question was addressed to me during an interview.My question is based upon Aircraft Cockpit topic in division Cockpit Overview of Aircraft Maintenance

Answer»

Correct choice is (d) Landing GEAR controls

Easiest explanation: Landing gear controls is not a function provided by HOTAS. However, RADIO communications, NOSE wheel steering and speed brake controls are all functions incorporated into HOTAS.

6.

The right seat in an aircraft cockpit is the seat used by the co-pilot.(a) True(b) FalseThis question was posed to me during an interview for a job.I'm obligated to ask this question of Aircraft Cockpit topic in chapter Cockpit Overview of Aircraft Maintenance

Answer» RIGHT option is (a) True

The best I can EXPLAIN: True, the right seat in an aircraft cockpit is the seat USED by the co-pilot. The pilot sits in the left seat, so that they can operate the throttle and other INSTRUMENTS with his right hand.
7.

What is the full form of FCU?(a) Flight control usage(b) Flight center unit(c) Flight control unit(d) Flight center usageThe question was asked in examination.My question is taken from Aircraft Cockpit topic in division Cockpit Overview of Aircraft Maintenance

Answer»

Correct option is (c) FLIGHT control unit

To explain I would say: FCU REFERS to Flight control unit. It is a unit that allows for the SELECTION and parameter setting of the DIFFERENT auto flight functions.

8.

What is the full form of DVI?(a) Digital voice input(b) Direct voice input(c) Discrete voice input(d) Damp voice inputI had been asked this question by my college director while I was bunking the class.The query is from Aircraft Cockpit in division Cockpit Overview of Aircraft Maintenance

Answer»

Correct answer is (B) Direct voice input

For EXPLANATION: DVI refers to direct voice input. It is a kind of human-machine interaction and is used in the design of the cockpits of several modern MILITARY AIRCRAFT.

9.

Which of the following shows some form of heading indicator?(a) PFD(b) FCU(c) ND(d) ECAMThis question was addressed to me in quiz.Question is taken from Aircraft Cockpit in division Cockpit Overview of Aircraft Maintenance

Answer»

The correct option is (a) PFD

For explanation: The PFD, or primary flight display SHOWS some form of heading indicator and ILS/VOR DEVIATION indicators. The PFD is usually LOCATED in a prominent position, either centrally or on either side of the cockpit.

10.

Which of the following is not a cockpit design discipline?(a) Neuroscience(b) Bioscience(c) Human Factors Engineering(d) Cognitive scienceI had been asked this question in quiz.I need to ask this question from Aircraft Cockpit in portion Cockpit Overview of Aircraft Maintenance

Answer»

Correct answer is (b) BIOSCIENCE

The EXPLANATION is: Bioscience is not a COCKPIT design DISCIPLINE. However, neuroscience, Human Factors Engineering and COGNITIVE science are all cockpit design disciplines.

11.

Controls are incorporated onto the stick and throttle to enable the pilot to maintain a head-up position.(a) True(b) FalseI had been asked this question in an internship interview.Origin of the question is Aircraft Cockpit in section Cockpit Overview of Aircraft Maintenance

Answer»

Right option is (a) True

Easiest EXPLANATION: True, the controls are incorporated onto the stick and throttle to enable the pilot to MAINTAIN a head-up POSITION. It ALSO helps to maintain an EYES out position, or HOTAS concept.

12.

The MFD is usually referred to as the ________(a) Glare shield panel(b) Glare panel(c) Shield panel(d) Display panelI have been asked this question during an interview for a job.This is a very interesting question from Aircraft Cockpit in chapter Cockpit Overview of Aircraft Maintenance

Answer»

The correct choice is (a) Glare shield panel

The explanation is: The MFD is usually referred to as the glare shield panel. MFD refers to multi-function display and is usually a long NARROW panel LOCATED centrally in front of the PILOT.

13.

Which of the following is not shown by backup instruments?(a) Speed(b) Altitude(c) Heading(d) Passengers onboardI got this question during an interview.The question is from Aircraft Cockpit in section Cockpit Overview of Aircraft Maintenance

Answer»

Correct choice is (d) PASSENGERS onboard

For explanation I WOULD say: The number of passengers on board is not SHOWN by backup INSTRUMENTS. They are located in a less PROMINENT part of the cockpit, in case of failure of the other instruments.

14.

Which of the following is a standard that defines the interface between an independent cockpit display system and the avionics equipment?(a) ARINC(b) ARINC 661(c) EICAS(d) ECAMThis question was addressed to me in semester exam.The origin of the question is Aircraft Cockpit topic in chapter Cockpit Overview of Aircraft Maintenance

Answer»

Correct answer is (b) ARINC 661

The EXPLANATION: The ARINC 661 is a standard that defines the interface between an INDEPENDENT cockpit DISPLAY system and the avionics equipment. The cockpit display system is GENERALLY PRODUCED by a single manufacturer.

15.

A ND may be pilot selectable to swap with the PFD.(a) True(b) FalseThe question was posed to me in semester exam.The above asked question is from Aircraft Cockpit in chapter Cockpit Overview of Aircraft Maintenance

Answer» CORRECT option is (a) True

For explanation: True, ND MAY be pilot selectable to swap with the PFD. ND, or navigation displays show the route and INFORMATION on the next waypoint along with wind speed and wind direction.
16.

A traditional cockpit may also be referred as __________(a) Steam cockpit(b) Electric cockpit(c) Gasoline cockpit(d) Thermal cockpitI got this question during an interview.I want to ask this question from Glass Cockpit topic in chapter Cockpit Overview of Aircraft Maintenance

Answer»

The correct answer is (a) Steam COCKPIT

The best explanation: A TRADITIONAL cockpit may ALSO be referred as a steam cockpit. Such cockpits rely on numerous mechanical GAUGES to DISPLAY information.

17.

Attitude and heading reference systems and air data computers have replaced __________(a) Nautical flight instruments(b) Hydraulic flight instruments(c) Thermal flight instruments(d) Gyroscopic flight instrumentsThis question was posed to me in unit test.I want to ask this question from Glass Cockpit in division Cockpit Overview of Aircraft Maintenance

Answer»

Right choice is (d) Gyroscopic flight instruments

The explanation is: Attitude and HEADING reference systems and AIR DATA COMPUTERS have REPLACED the traditional gyroscopic flight instruments.These systems improve reliability and maintenance cost.

18.

What is the full form of ISIS?(a) Integrated station instrument system(b) Independent standby instrument system(c) Integrated standby instrument system(d) Integrated static instrument systemThe question was posed to me by my school teacher while I was bunking the class.My doubt stems from Glass Cockpit in chapter Cockpit Overview of Aircraft Maintenance

Answer»

Right answer is (c) Integrated standby instrument SYSTEM

For explanation: The term ISIS in aviation TERMINOLOGY refers to integrated standby instrument system. The system acts as a backup instrument, in case there is a failure in the GLASS COCKPIT instrument system.

19.

The Boeing 2707 was one of the earliest commercial aircraft to be designed with a glass cockpit.(a) True(b) FalseI have been asked this question in unit test.Query is from Glass Cockpit in chapter Cockpit Overview of Aircraft Maintenance

Answer» CORRECT ANSWER is (a) TRUE

The explanation is: True, the Boeing 2707 was one of the earliest commercial aircraft to be designed with a glass cockpit. HOWEVER, the 2707 aircraft was CANCELLED in 1971 after a large number of technical difficulties.
20.

The Airbus A380 is fitted with glass cockpits consisting of _________ units.(a) LED(b) LCD(c) CRT(d) UHDThe question was asked during a job interview.This intriguing question comes from Glass Cockpit topic in section Cockpit Overview of Aircraft Maintenance

Answer» CORRECT CHOICE is (b) LCD

To explain I would say: The Airbus A380 is fitted with GLASS cockpits consisting of LCD units. The A350, 777, and 787 AIRCRAFTS also feature SIMILAR units.
21.

Which of the following was the first orbiter to be retrofitted with a glass cockpit?(a) Atlantis(b) Columbia(c) Discovery(d) EndeavourI got this question during an interview for a job.The origin of the question is Glass Cockpit topic in section Cockpit Overview of Aircraft Maintenance

Answer»

The correct answer is (a) Atlantis

The best EXPLANATION: The Atlantis orbiter was the FIRST to feature a glass cockpit. The glass COCKPITS were retrofitted on the orbiter and were not PRESENT initially. The process was done in the YEAR 2000.

22.

What is the full form of EVS?(a) Electronic Vision systems(b) End Vision systems(c) Enlarged Vision systems(d) Enhanced Vision systemsI had been asked this question in semester exam.My enquiry is from Glass Cockpit topic in chapter Cockpit Overview of Aircraft Maintenance

Answer»

Correct choice is (d) Enhanced Vision systems

The explanation is: EVS refers to Enhanced Vision systems. These systems ADD real time information from EXTERNAL SENSORS, such as an infrared CAMERA.

23.

Glass cockpits also add terrain, approach charts and 3D navigation images.(a) True(b) FalseThe question was posed to me during a job interview.The query is from Glass Cockpit in chapter Cockpit Overview of Aircraft Maintenance

Answer»

The correct choice is (a) True

To explain I WOULD say: True, the glass cockpits ALSO add TERRAIN, approach charts and 3D navigation IMAGES. They resemble other computers, having windows and data that can be manipulated using point and click DEVICES.

24.

Which of the following is not used as a pilot-input device in a computer-style environment?(a) Pressure sensors(b) Trackball(c) Thumb pad(d) JoystickThis question was addressed to me by my school principal while I was bunking the class.Question is from Glass Cockpit in division Cockpit Overview of Aircraft Maintenance

Answer» RIGHT answer is (a) Pressure sensors

Easy explanation: Pressure sensors are not used as a pilot input device in a computer-style environment. However, a TRACKBALL, thumb PAD or JOYSTICK is used as a pilot input device.
25.

Which of the following systems display a realistic 3D depiction of the outside world?(a) Virtual Vision systems(b) Enhanced Vision systems(c) Synthetic Vision systems(d) Actual Vision systemsI had been asked this question in a job interview.My query is from Glass Cockpit in chapter Cockpit Overview of Aircraft Maintenance

Answer»

The correct option is (c) Synthetic Vision systems

For explanation: The Synthetic Vision systems, referred to as SVS display a realistic 3D DEPICTION of the OUTSIDE WORLD. The representation is based on a database of TERRAIN and geophysical FEATURES.

26.

The ISIS is electronically separate from the main instruments.(a) True(b) FalseThe question was asked at a job interview.My question comes from Glass Cockpit in section Cockpit Overview of Aircraft Maintenance

Answer»

Correct answer is (a) True

Best explanation: True, the ISIS is electronically separate from the MAIN INSTRUMENTS. It can run for several hours on a backup BATTERY and includes an ARTIFICIAL horizon, altimeter and airspeed indicator.

27.

Which of the following is not an aircraft equipped with glass cockpit?(a) Diamond DA42(b) Cessna 172(c) Boeing 777(d) Wright FlyerI had been asked this question during an internship interview.Question is from Glass Cockpit in portion Cockpit Overview of Aircraft Maintenance

Answer»

Right option is (d) Wright Flyer

Easiest explanation: The Wright Flyer is not an AIRCRAFT equipped with glass COCKPIT. However, DIAMOND DA42, Cessna 172 and the BOEING 777 are all equipped with glass cockpits.

28.

Which of the following was the first light aircraft to feature glass cockpits?(a) Airbus A380(b) Boeing 737(c) Cessna 172(d) Cirrus SR22This question was addressed to me in an online quiz.My question is based upon Glass Cockpit in section Cockpit Overview of Aircraft Maintenance

Answer»

The CORRECT option is (d) Cirrus SR22

To elaborate: The Cirrus SR22 AIRCRAFT, manufactured by Cirrus Aircraft was the first light aircraft to feature GLASS COCKPITS. In a few years, the manufacturer made these glass cockpits standard on all its aircraft.

29.

Glass cockpits eliminate the need for a _________(a) Pilot(b) Flight engineer(c) Co pilot(d) PurserThe question was posed to me during an online exam.I need to ask this question from Glass Cockpit in section Cockpit Overview of Aircraft Maintenance

Answer»

The correct ANSWER is (b) FLIGHT engineer

Explanation: The glass cockpits eliminate the NEED for a flight engineer. They are thus popular with AIRLINE COMPANIES as they usually bring down costs.

30.

The F-35’s features a glass cockpit touchscreen dubbed as __________(a) Panoramic cockpit display(b) Infinite cockpit display(c) Advanced cockpit display(d) Clean cockpit displayThe question was posed to me in semester exam.My question is taken from Glass Cockpit topic in portion Cockpit Overview of Aircraft Maintenance

Answer»

The correct ANSWER is (a) Panoramic cockpit DISPLAY

The best explanation: The F-35’s FEATURES a glass cockpit touchscreen dubbed as a panoramic cockpit display. The aircraft features a helmet mounted display SYSTEM and lacks a head up display.

31.

Head up displays were primarily developed for ________ aviation.(a) Combat(b) Charter(c) Commercial(d) MilitaryI had been asked this question during a job interview.My question is taken from Cockpit Overview in section Cockpit Overview of Aircraft Maintenance

Answer» CORRECT option is (d) Military

Explanation: These displays were primarily DEVELOPED for military aviation. Although, they are being used in commercial aircrafts as well as in AUTOMOBILES and other professional APPLICATIONS.
32.

Head up display is a ________ display.(a) Translucent(b) Transparent(c) Reflective(d) OpaqueThe question was asked in an interview.This interesting question is from Cockpit Overview in section Cockpit Overview of Aircraft Maintenance

Answer»

The correct choice is (B) TRANSPARENT

The explanation is: Head up displays are transparent displays that are primarily USED in aircrafts to EASE the pilot’s workload. These displays help the pilots to read data which otherwise may not be visible to them in a certain POSITION.

33.

Which of the following is the first modern military fighter to not have a fixed HUD?(a) F-16(b) F/A-18(c) F-35 Lightning II(d) EurofighterI got this question in quiz.This interesting question is from Cockpit Overview topic in section Cockpit Overview of Aircraft Maintenance

Answer»

The CORRECT option is (c) F-35 Lightning II

Easy explanation: The F-35 Lightning II is the first modern military FIGHTER to not have a fixed HUD. However, the F/A-18, F-16, and Eurofighter, USE both a HUD and HMD CONCURRENTLY.

34.

Which of the following HUDs use a CRT to generate an image?(a) Second generation HUDs(b) First generation HUDs(c) Third generation HUDs(d) Fourth generation HUDsI had been asked this question in an online quiz.I'm obligated to ask this question of Cockpit Overview in portion Cockpit Overview of Aircraft Maintenance

Answer»

The correct option is (b) First generation HUDs

The best explanation: HEAD up display DEVICES are BROADLY classified into four GENERATIONS. The first generation displays make use of a CRT to generate the image. These are the most common TYPE of displays being used in aircraft.

35.

A typical HUD contains six primary components.(a) True(b) FalseI have been asked this question in exam.Enquiry is from Cockpit Overview in division Cockpit Overview of Aircraft Maintenance

Answer» CORRECT option is (b) False

The explanation: False, a typical HUD contains three primary components. The three components are: a projector UNIT, a combiner, and a video generation computer.
36.

Which of the following HUDs generate image on a phosphor screen?(a) First generation HUDs(b) Second generation HUDs(c) Third generation HUDs(d) Fourth generation HUDsThis question was addressed to me in an internship interview.Query is from Cockpit Overview topic in section Cockpit Overview of Aircraft Maintenance

Answer»

Right ANSWER is (a) FIRST generation HUDs

To explain: The first generation head up displays use a phosphor screen to generate the image. Such screens have a SHORTER shelf LIFE as the screen coating may degrade with time, making the equipment UNUSABLE.

37.

The fourth generation HUDs use a ________ to display images and video imagery on a clear transparent medium.(a) Radiating antenna(b) Scanning antenna(c) Radiating laser(d) Scanning laserI got this question in an interview for job.This interesting question is from Cockpit Overview topic in division Cockpit Overview of Aircraft Maintenance

Answer»

The correct option is (d) Scanning laser

The explanation: The fourth generation HUDS USE a scanning laser to display images and VIDEO imagery on a CLEAR TRANSPARENT medium. This is the latest generation of HUDs.

38.

Which of the following aircraft has HUDs as standard equipment?(a) Airbus A320(b) Boeing 737MAX(c) Boeing 787(d) Airbus A380I had been asked this question by my college director while I was bunking the class.The query is from Cockpit Overview topic in section Cockpit Overview of Aircraft Maintenance

Answer» RIGHT option is (C) Boeing 787

The best I can explain: The Boeing 787 has HUDs as STANDARD equipment. HUDs were introduced to commercial aviation in the 1970s and the TECHNOLOGY is becoming more common day by day.
39.

Which of the following is not a factor in the design of a HUD?(a) Cabin pressure(b) Field of view(c) Boresight(d) CompatibilityThe question was asked in an online quiz.My question is taken from Cockpit Overview in portion Cockpit Overview of Aircraft Maintenance

Answer»

Correct option is (a) Cabin PRESSURE

Easy explanation: Cabin pressure is not a FACTOR in the DESIGN of a HUD. However, field of view, BORESIGHT and compatibility are all factors that interplay in the design of a HUD.

40.

The modern HUD eye boxes are usually about 5 lateral by 6 longitudinal inches in size.(a) True(b) FalseI had been asked this question in exam.I would like to ask this question from Cockpit Overview in section Cockpit Overview of Aircraft Maintenance

Answer»

The correct answer is (a) True

Explanation: True, the modern HUD eye boxes are USUALLY about 5 lateral by 6 LONGITUDINAL inches in size. These dimensions allow the PILOT to view the entire display, as long as one of the eyes is inside the eye BOX.

41.

What is the full form of LVTO?(a) Least Virtual Take-off(b) Least Visibility Take-off(c) Low Virtual Take-off(d) Low Visibility Take-offThis question was addressed to me by my school teacher while I was bunking the class.I'm obligated to ask this question of Cockpit Overview in chapter Cockpit Overview of Aircraft Maintenance

Answer»

Right option is (d) Low Visibility Take-off

The best I can explain: LVTO refers to Low Visibility Take-off. The HUDS act as a major HELP in such take offs, reducing the pilots WORKLOAD and the NEED to look at flight INSTRUMENTS during take-off.

42.

Which of the following shows where the nose of the aircraft is actually pointing?(a) Flight path vector(b) Boresight(c) Angle of attack indicator(d) Acceleration indicatorThis question was posed to me in an international level competition.This key question is from Cockpit Overview in section Cockpit Overview of Aircraft Maintenance

Answer»

Right choice is (b) Boresight

Explanation: Boresight is used to indicate the DIRECTION in which the NOSE of an aircraft is pointing. The boresight is fixed on the flight display PANEL such that it is CLEARLY visible to the pilots. It may also be CALLED as waterline symbol.

43.

When was the modern HUD used in IFR approaches to landing, developed?(a) 1999(b) 1905(c) 2005(d) 1975This question was posed to me by my school principal while I was bunking the class.This question is from Cockpit Overview in chapter Cockpit Overview of Aircraft Maintenance

Answer»

Right ANSWER is (d) 1975

To elaborate: The modern HUD used in IFR approaches to LANDING was developed in 1975. HUDs have evolved from the reflector SIGHT technology, a parallax-free OPTICAL sight technology.

44.

Second gen head up displays use a solid state light source.(a) True(b) FalseI have been asked this question in an interview for internship.My question is from Cockpit Overview topic in division Cockpit Overview of Aircraft Maintenance

Answer»

Right choice is (a) True

Easiest explanation: True, the second GEN head up DISPLAYS use a solid state light source. Such SYSTEMS are usually used in commercial aircrafts and may be slightly expensive in comparison to other SIMILAR systems.

45.

Which of the following HUDs uses optical waveguides to produce images?(a) Second generation HUDs(b) First generation HUDs(c) Third generation HUDs(d) Fourth generation HUDsI have been asked this question during an interview.I'd like to ask this question from Cockpit Overview in division Cockpit Overview of Aircraft Maintenance

Answer»

Correct CHOICE is (c) Third generation HUDS

For explanation: The third generation HUDs use OPTICAL waveguides to produce images. These images are directly produced in the combiner RATHER than using a projection system.

46.

Which of the following shows the wing’s angle relative to the airflow?(a) Boresight(b) Velocity vector symbol(c) Angle of attack indicator(d) Navigation data and symbolsThis question was addressed to me in an online quiz.This is a very interesting question from Cockpit Overview topic in portion Cockpit Overview of Aircraft Maintenance

Answer»

The correct choice is (C) Angle of attack indicator

Best explanation: The angle of attack indicator shows the WING’s angle relative to the AIRFLOW. It is often displayed as α. It is a necessary requirement for HUDS.

47.

The collimated images on the HUD combiner are perceived to be existing at or near the optical infinity.(a) True(b) FalseThe question was asked during an interview.My question is from Cockpit Overview in chapter Cockpit Overview of Aircraft Maintenance

Answer»

The correct answer is (a) True

The best explanation: True, the collimated images on the HUD COMBINER are perceived to be existing at or NEAR the optical INFINITY. It indicates that the PILOT does not NEED to refocus his eyes to view the outside world and the HUD display.

48.

During the approach and landing, a pilot can fly the approach by keeping the FPV symbol at the desired _______ angle.(a) Attack(b) Descent(c) Inclination(d) PitchThe question was asked in examination.My query is from Cockpit Overview topic in chapter Cockpit Overview of Aircraft Maintenance

Answer»

The correct answer is (b) Descent

The BEST EXPLANATION: During the approach and landing, a pilot can fly the approach by keeping the FPV symbol at the desired descent angle. Along with this, the touchdown POINT on the runway should also be taken CARE of.

49.

What is the full form of HDDs?(a) Heading-down displays(b) Heat-down displays(c) Head-down displays(d) Hill-down displaysI had been asked this question during an interview for a job.This interesting question is from Cockpit Overview topic in division Cockpit Overview of Aircraft Maintenance

Answer»

Correct OPTION is (C) Head-down displays

The best EXPLANATION: HDDS refer to head-down displays. The FLIGHT path vector and acceleration symbols are standard on head-down displays.

50.

Objects that are 3 degrees below the horizon as viewed from the cockpit, appear at the _________ degree index on the HUD display.(a) -300(b) +300(c) +3(d) −3I have been asked this question during an online interview.I need to ask this question from Cockpit Overview topic in portion Cockpit Overview of Aircraft Maintenance

Answer» RIGHT answer is (d) −3

Easy explanation: OBJECTS that are 3 degrees below the horizon as viewed from the cockpit APPEAR at the −3 DEGREE index on the HUD display. The scaling is in a 1:1 RELATIONSHIP.