These are systematic means of displaying binary data.

These are gates wherein the inputs are inverted rather than inverting the output.

Output is open when and only if all of its input are closed. If all the inputs are open, the output is closed.

This makes interphone links between pilots themselves and the ground mechanic at the jack connection on the external power panel

These codes are assigned to aircraft operators and not to individual aircraft

Gives the capability of tuning all communication radios

It is said to be identical to Gen 1 and Gen 2 but has constant speed

Absolute Altitude

It is installed in the aircraft as a safety backup to provide electrical and hydraulic power if the primary sources of aircraft power are both lost due to both engines failures.

This uses controlled differential action to maintain the constant output speed necessary to power the generator.

How many cells does a NiCad battery contains?

It is also described as 'lithium secondary batteries'

It is a string of eight bits

They perform basic logical functions that are fundamental to digital circuits

A transmission consists of a combination of four preselected audio tones which takes approximately two seconds to transmit.

Requires low power

This surveillance RADAR requires transponder

It is the number of oscillations of a wave per unit time being measured in hertz (Hz).

Used to identify if there are objects in an airspace

It is the most basic of the GCU functions

This converts DC to AC power

Output is at logic zero when its only input is at logic one, and at logic one when its only input is at logic zero.

It is the 2 Common Errors Associated With Airspeed Indicators

It is the surrounding pressure

These serves as an alternate source of ambient tempreature

This is the Pressure Altitude adjusted for temperature variations (affects aircraft performance).

These are the instruments that give information on the aircraft's flight attitude

This category covers a range of miscellaneous gauges and indicators not included in the first three groups that provide data on positions of moveable components on the aircraft, and the condition of various aircraft components or systems.

Output is engaged when and only when its inputs are engaged, otherwise, output is disengaged.

LED illuminates when either switch A or switch B is engaged, and still illuminates if both were engaged.

Logo Lights Concept

This provides information for pitch and roll attitude of an aircraft for ADI displays

From the cockpit or from cabin crew stations for passenger announcements

For maintenance technician communication with cockpit or cabin thanks to several jack connectors around the A/C.

This lets the crew communicate with ground stations through VHF, HF, and SATCOM if installed.

The VHF transceivers are fully identical and interchangeable

Colors of WX RADAR indicator

It is the maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position.

An electromagnetic based detection system that works by radiating EM waves, and then studying the "echo" or reflected back waves

SSR Stands for?

The heart of the audio system; directs the signals to and from the appropriate radio or interphone system.

It controls the channel and volume of transmission/reception.

It gives the capability of tuning all communication radios

The lowest part of a wave

ATA 22

This consists of a differential gear unit that adjusts variable speed into constant speed for the use of the Generators

Oil levels in a component can be visually monitored using _____

This consists of a CSD and AC generator

Oil is only used for cooling and lubrication, but also plays a pivotal role within the CSD where it is used to automatically control the rotational speed of the generator.

ATA 65

Like any other part of an aircraft, the IDG must be serviced at regular intervals. Reasons for servicing the IDG include: refilling the IDG with oil, filling a newly installed IDG, adjusting the oil level, replacing the filter element, and replacing the cooling system.

This consists of one or more voltaic cells connected in series

It is made up of Nickel oxyhydroxide for the positive plate and Metallic Cadmium for the negative plate and during discharge the positive plate is converted to Nickel hydroxide and negative plate to Cadmium hydroxide.

ATA 34

1010

These cells remain sealed undenickel. cadmium cells are sealed with a high-pressure vent that releases only during abusive conditions.

1100

1111

101

11111

Output is at logic 1 when, and only all its inputs are at logic 1, otherwise the output is logic 0.

Output is at off when one and only one of its inputs is on. Otherwise, it is on.

It is the opposite of NOT Gate

It is the fuel tank that supplies fuel to the APU

Battery Leakage is _________

Its is where you can find the passenger call button for passengers in their seats

Weather RADAR modes

For lead-acid batteries, it is said that voltage per cell must not exceed 1.5 volts

AC Generator Output

This occurs when a cell, or area within the cell, achieves elevated temperatures due to thermal failure, mechanical failure, internal/external short circuiting, and electrochemical abuse.

It is an equipment connected to accessory gearbox that maintains RPM for the use of the AC generator

APU Generator Output

The DC battery bus can charge the batteries or receive power from the batteries as a backup supply, if no other power sources are available

Gen 1 and Gen 2 uses split operation (normal), which means that the AC power sources are never connected in parallel.

On ground, the complete circuit may be supplied by external power unit or by the APU generator

Each generator supplies its own distribution network via its Generator Line Contactor (GLC)

Loss of main generators; batt 2 will be supplied by DC ESS

This monitors battery charging and controls its battery contactor

These are the first thing to lose power (be shed) should the aircraft not be generating enough electricity

These are protective devices installed in an aircraft that "pops-out" when an abnormal surge of electrical power or shortage happens.

A blend of aviation and electronics

It is the act of conveying meanings from one entity or group to another through the use of mutually understood signs, symbols and semiotic rules.

Beginning of National Airspace System year

It is the navigation through the use of data broadcasted by a Satellite transmitter

The navigation by extrapolating

The navigation thru the use of wireless communication signals broadcasted by Ground or Aircraft based radio station.

The navigation based on double integrating aircraft acceleration measured using airborne equipment (airspeed sensors, rate sensors, etc)

BLUE RADIAL LINE MEANING IN A/S

Airspeed is measured in _______

The RED mark in a Turn Coordinator means that the instrument has no _________

Shortest pointer value in altimeter

It collects dynamic pressure for the use of the pressure type instruments in larger aircrafts

Used to sense the temperature of airflow passing through its cavities within its strut.

These are instruments designed to constantly measure operating parameters relating to the aircraft's engine(s).

To correct a cell imbalance during reconditioning the battery is typically discharged to zero capacity and then recharged

GPUs may be either portable or stationary units

During normal operation this separates the left and right side buses. In the event of a generator failure, it allows the operating generator to maintain AC power to left and right side variable frequency buses.

Is a bus that is constantly energized with power from any source

If all normal AC generation is lost, an emergency generator can supply AC power

These are the C/Bs that is "monitored" by ECAM