Aviation Cockpit Protocols Quiz
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Questions and Answers

What is the first step to check the cockpit door according to normal procedures?

  • Set the CKPT DOOR MECHANICAL OVERRIDE
  • Set CKPT DOOR switch to LOCK position
  • Check that the OPEN and FAULT light come on (correct)
  • Close the door and check the OPEN indication

What should be observed once the CKPT DOOR is set to the UNLOCK position?

  • The OPEN light should go off immediately
  • The CKPT DOOR MECHANICAL OVERRIDE should be engaged
  • The door should remain closed until the switch is toggled again
  • The door should open and the OPEN light should come on (correct)

What action should be taken with the TCAS before reaching the holding point?

  • Select it to prevent interference
  • Leave it in standby (correct)
  • Turn it on to monitor traffic
  • Set it to idle

What should be done after the door is fully opened?

<p>Release the toggle switch to ensure it returns to NORM (B)</p> Signup and view all the answers

Which option describes the status of ATC and TCAS prior to the holding point?

<p>Both should be in standby mode (C)</p> Signup and view all the answers

When must a complete IRS alignment be performed?

<p>Before the first flight of the day (C)</p> Signup and view all the answers

Under what condition is a fast IRS alignment allowed?

<p>When a complete alignment is not necessary (D)</p> Signup and view all the answers

What must be ensured while performing an IRS alignment?

<p>Aircraft must be stopped on ground (C)</p> Signup and view all the answers

What is NOT a circumstance that requires a complete IRS alignment?

<p>Aircraft movement during alignment (C)</p> Signup and view all the answers

Which statement is true regarding IRS alignments?

<p>A new full alignment must be done if the aircraft moves during alignment (C)</p> Signup and view all the answers

What specific outside air temperature (OAT) condition is mentioned for checking taxi-in times?

<p>Below +1 °C (C)</p> Signup and view all the answers

What is the purpose of checking the taxi-in time in freezing fog from the previous flight?

<p>To determine remaining taxi-out time (B)</p> Signup and view all the answers

In what weather condition should the taxi-in time be checked according to the guidance provided?

<p>In freezing fog (A)</p> Signup and view all the answers

What does the OPT CONF compute to achieve maximum efficiency during takeoff?

<p>The takeoff configuration maximizing MTOW or flexible temperature (D)</p> Signup and view all the answers

In cases where two takeoff configurations yield the same MTOW, what is the determining factor for selecting the OPT CONF?

<p>The configuration with the lowest takeoff speeds (A)</p> Signup and view all the answers

What are the two main criteria evaluated by the OPT CONF during performance-limited takeoff?

<p>MTOW and flexible temperature (A)</p> Signup and view all the answers

If two configurations return the same maximum flexible temperature during takeoff, which configuration will be chosen?

<p>The one with the lowest takeoff speeds (C)</p> Signup and view all the answers

What is the recommended action when brake temperature exceeds 500 °C? Pre flight

<p>Avoid applying the parking brake unless necessary. (D)</p> Signup and view all the answers

When is it acceptable to apply the parking brake with a brake temperature of 350 °C?

<p>If the brake fans are turned ON. (D)</p> Signup and view all the answers

What temperature condition should always prompt caution regarding the parking brake?

<p>A temperature of 500 °C or higher. (D)</p> Signup and view all the answers

At what point should applying the parking brake be avoided, regardless of additional factors?

<p>At any brake temperature above 500 °C. (B)</p> Signup and view all the answers

When is it necessary to perform the check of the alternate braking system?

<p>Before the first flight of the day (C)</p> Signup and view all the answers

What should be ensured regarding the overhead panel lights during the scan?

<p>Only the GEN FAULT lights should be amber. (D)</p> Signup and view all the answers

What information is used to compute characteristic speeds displayed on the PFD?

<p>ZFW and ZFWCG entered by the crew (C)</p> Signup and view all the answers

What is the maximum takeoff weight for which D2 should be used?

<p>200 t (C)</p> Signup and view all the answers

Which derated climb thrust option is available if not set prior to takeoff?

<p>It can be set during the climb phase. (B)</p> Signup and view all the answers

For takeoff weights above 200 t but not exceeding 210 t, which option should be used?

<p>D1 (A)</p> Signup and view all the answers

What happens if derated climb thrust is not inserted before takeoff?

<p>It can still be selected during the climb phase. (B)</p> Signup and view all the answers

What is the lowest takeoff weight that requires the use of D1?

<p>Above 200t (A)</p> Signup and view all the answers

Flashcards

Cockpit Door Procedure

A three-step procedure for checking the cockpit door's operation, including unlocking, opening, and verifying the proper locking mechanism.

Cockpit Door Override Check

Verifying that the cockpit door operates correctly when the mechanical override is engaged.

Switching Panel Check

A procedure ensuring all selectors on the switching panel are in working order.

Engine Controls

A set of critical engine-related controls (thrust levers, reverse thrust, master levers, and start selectors).

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TCAS activation

TCAS should be activated after the holding point to avoid possible interference with radar systems.

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IRS Alignment

A process of aligning the Inertial Reference System (IRS) to accurately determine the aircraft's position, attitude, and heading.

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Complete IRS Alignment

A full alignment procedure required before a flight, after a crew change, or when specific conditions like poor GPS/NAVAID coverage or long flight time are met.

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Fast IRS Alignment

A shorter alignment procedure used when a full alignment is not necessary, often after a minor disruption.

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IRS Alignment Conditions

IRS alignment must be performed on the ground, with the aircraft stopped. It cannot be done while engines are running.

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Aircraft Movement during IRS Alignment

If the aircraft moves during alignment, a new complete alignment must be performed.

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Ice Shedding on Ground

A procedure for removing ice from the aircraft's surfaces before takeoff, typically by accelerating the engines to create a hot air stream.

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Taxi-in Time

The time elapsed from the moment an aircraft touches down to the point it comes to a complete stop at the gate.

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Freezing Fog

Fog with a temperature below freezing, where water vapor condenses as ice crystals.

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Logbook Check

Reviewing the previous flight's logbook for information about the taxi-in time in freezing fog.

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Remaining Taxi-out Time

Time needed to taxi from the gate to the runway, taking into account the duration spent for ice shedding.

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OPT CONF

A computer system that determines the optimal takeoff configuration for an aircraft, prioritizing either maximum takeoff weight (MTOW) or flexible temperature, based on performance limitations. If multiple configurations yield the same MTOW or flexible temperature, it selects the one with the lowest takeoff speeds.

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MTOW

Maximum Takeoff Weight - the heaviest weight at which an aircraft can safely take off under specific conditions.

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Flexible Temperature

A temperature range within which an aircraft can safely take off, regardless of weight limitations.

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Performance Limited Takeoff

A takeoff where the aircraft's performance, like engine thrust or wing lift, is the limiting factor for weight.

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Takeoff Speeds

The speeds the aircraft needs to reach during takeoff, including rotation speed (VR) and lift-off speed (V1).

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Parking Brake Restriction

When a brake temperature reaches 500 °C (or 350 °C with fans on), avoid using the parking brake unless absolutely necessary.

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Brake Temperature Threshold

The temperature at which you should avoid using the parking brake is 500 °C, or 350 °C if brake fans are activated.

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Parking Brake Use

Using the parking brake when brake temperature is above the threshold is a risk, but sometimes essential for operational reasons.

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Brake Fans

Brake fans cool the brakes by circulating air, allowing them to operate at a higher temperature.

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Operational Necessity

A situation where using the parking brake is required despite high brake temperature, possibly due to a safety or operational requirement.

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Alternate Braking System Check

This pre-flight check ensures the backup braking system is functioning correctly and the brake pedals are not 'spongy'.

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Spongy Pedals

A condition where the brake pedals feel soft or not firm, indicating a potential issue with the braking system.

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Why Check Before First Flight?

This check is crucial before the first flight to guarantee the alternate braking system is ready in case of a problem with the primary brakes.

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What Does an Alternate Brake System Check Include?

The check involves verifying the functionality of the backup brake system to ensure it's not failing.

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Brake Pedal Feel

The sensation of the brake pedals when they're pressed, which can indicate problems like 'sponginess' or incorrect pressure.

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Amber Lights on Overhead Panel

During a pre-flight scan of the overhead panel, ensure that the only amber lights illuminated are the GEN FAULT lights.

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GEN FAULT Lights

These amber lights indicate a general fault within the aircraft's electrical system. They should be the only amber lights illuminated during a pre-flight check.

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Why Only GEN FAULT Lights?

Having other amber lights on during the overhead panel scan indicates a specific system malfunction that needs attention before flight.

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Pre-Flight Scan Importance

Ensuring that only the GEN FAULT lights are on during the overhead panel scan helps identify potential issues that could compromise flight safety.

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What to Do If Other Amber Lights Are On

If any amber lights other than the GEN FAULT lights are illuminated during the overhead panel check, report the issue to maintenance before takeoff.

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ZFW and ZFWCG Input

The crew inputs the aircraft's zero fuel weight (ZFW) and zero fuel weight center of gravity (ZFWCG) on the MCDU, which are utilized to calculate certain characteristic speeds.

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Characteristic Speeds

These speeds, such as the green dot speed, F, S, and VLS, are crucial for the aircraft's safe and efficient operation. They are calculated using various factors, including weight.

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PFD (Primary Flight Display)

The PFD acts as the pilot's primary reference for flight information, displaying vital data like altitude, airspeed, and heading. It also displays characteristic speeds.

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What is the relationship between ZFW & ZFWCG and characteristic speeds?

The crew inputs the zero fuel weight (ZFW) and zero fuel weight center of gravity (ZFWCG) into the MCDU. This data is then used for calculating the characteristic speeds, like the green dot speed, F, S, and VLS, that are displayed on the PFD.

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Derated Climb Thrust

A reduced engine thrust setting used during the climb phase to improve fuel efficiency and reduce engine wear.

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Takeoff Weight Limits

The maximum weight at which an aircraft can safely take off, varying based on the aircraft's type and specific conditions.

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D1 & D2 Thrust

Thrust settings used for takeoff based on aircraft weight, where D2 is used up to 200 tons and D1 for weights between 200 and 210 tons.

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When to Select Derated Thrust?

Derated climb thrust can be selected either before takeoff or during the climb phase, if not chosen initially.

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Why use Derated Climb Thrust?

Using derated thrust during the Climb improves fuel efficiency and reduces engine wear, ultimately leading to a more sustainable flight.

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Study Notes

Cockpit Door Procedures

  • If required, local airworthiness authorities may mandate specific actions.
  • Ensure the OPEN and FAULT lights and three LED lights on the pedestal and overhead panel are illuminated (ANN LT selector).
  • Verify all lights are off after completion.
  • Set the CKPT DOOR switch to UNLOCK position and verify the door opens, and the OPEN indicator is on.
  • Fully open the door, release the toggle switch.
  • Close the door, verify it is locked.
  • Verify the OPEN indicator is off.
  • Check the door functions properly in mechanical override mode.

Switching Panel

  • All selectors should confirm as per the instructions.

Engines

  • Confirm THRUST lever, THRUST REVERSER lever, ENG MASTER lever, and ENG START selector functions.

ATC

  • ATC and TCAS are in standby mode.
  • TCAS should not be selected before the holding point/lining-up to reduce interference with radar surveillance systems.
  • ALT RPTG is the backup.

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Description

Test your knowledge on cockpit door procedures, switching panel operations, engine controls, and ATC protocols. This quiz covers essential actions and verifications needed for safe cockpit management. Ideal for aviation students and professionals alike.

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