Computer Abriviations

Question 1

ADIRU

Answer 1

Air Data Inertia Reference Unit

Question 2

IDG

Answer 2

Integrated Drive Generator (maintains constant shaft speed to generator from variable speed accessory section)

Question 3

RAT

Answer 3

Ram Air Turbine (emergency turbine to power hydraulic system which in turn powers the EMER GEN)

Question 4

BCL

Answer 4

Battery Charge Limiter (monitors battery charging and controls its battery contactor)

Question 5

FDU

Answer 5

Fire Detection Unit

Question 6

CIDS

Answer 6

Cabin Intercommunication Data System

Question 7

ADR

Answer 7

Air Data Reference

Question 8

IR

Answer 8

Inertial Reference

Question 9

MCDUs

Answer 9

Multifunction Control and Display Units

Question 10

ADM

Answer 10

Air Data Modules convert pitot/static pneumatic to digital signals for ADIRU 1

Question 11

CDU

Answer 11

Control and Display Units

Question 12

FMGC

Answer 12

Flight Management and Guidance Computers

Question 13

CIDS

Answer 13

Cabin Intercommunication Data System

Question 14

RMPs

Answer 14

Radio Management Panels

Question 15

ACPs

Answer 15

Audio Control Panels

Question 16

PACK

Answer 16

Pneumatic Air Conditioning Kit

Question 17

ACM

Answer 17

Air Cycle Machine: Compressor/Turbine assembly in the PACK

Question 18

LGCIU

Answer 18

Landing Gear Control and Interface Unit

Question 19

RPCU

Answer 19

Residual Pressure Control Unit

Question 20

AEVC

Answer 20

Avionics Equipment Ventilation Computer

Question 21

BMCs

Answer 21

Bleed Monitoring Computers

Question 22

WAI

Answer 22

Wing Anti-Ice

Question 23

WHCs

Answer 23

Window Heat Controllers

Question 24

PHCs

Answer 24

Probe Heat Computers

Question 25

FQI

Answer 25

Fuel Quantity Indication system

Question 26

FLSCU

Answer 26

Fuel Level Sensing Control Unit (A321)

Question 27

ACT

Answer 27

Additional Center Tank (fuel)

Question 28

FADEC

Answer 28

Full Authority Digital Engine Control

Question 29

EPR

Answer 29

Engine Pressure Ratio

Question 30

TLA

Answer 30

Thrust Lever Angle

Question 31

EIU

Answer 31

Engine Interface Unit

Question 32

LGCIU

Answer 32

Landing Gear Control and Interface Unit

Question 33

MCT

Answer 33

Maximum continuous thrust

Question 34

SFCCs

Answer 34

Slat Flap Control Computers

Question 35

WTB

Answer 35

Wing Tip Brake

Question 36

ELAC

Answer 36

Elevator Aileron Computer

Question 37

SEC

Answer 37

Spoiler Elevator Computer

Question 38

FAC

Answer 38

Flight Augmentation Computer

Question 39

LGCIU

Answer 39

Landing Gear Control and Interface Units

Question 40

BSCU

Answer 40

Brake Steering Control Unit

Question 41

ABCU

Answer 41

Alternate Braking Control Unit

Question 42

TCF

Answer 42

Terrain Clearance Floor

Question 43

RFCF

Answer 43

Runway Field Clearance Floor