Study Guide Fill in the Blanks Flashcards
A ______ is used to show the rpm of reciprocating engines, the percentage of power for turbine engines, the rpm of helicopter rotors, and the rotational speed of any other device where this information is critical.
Tachometer
Thermocouple leads are usually made of either constantan and iron or __________ and ________.
Constantan and Copper
A _______________________________ is designed to measure an angular deflection at one point and reproduce this same
deflection at a remote point.
Synchro System
The _______sensor is a solid-state switching device that is used to determine the position of moving components, such as flaps, cargo doors, and landing gear.
Proximity sensor
A common transducer used with modern computerized aircraft to monitor rotary motion is known as the
_________________________________.
RVDT
Electric fuel-quantity indicators utilize a _________________________________ resistor in the tank unit or sensor.
Variable resistor
The B-787, for example, carries up to 237,000 lb (107,500 kg) of fuel and employs two redundant _______________________.
Fuel Quantity Indicating Systems
The HSI is an instrument that displays information concerning the aircraft’s position in the _______________________ plane of
reference.
Horizontal plane of reference
The instruments in _______________________ systems display all parameters associated with the aircraft’s movement through the air.
Air Data Systems
The _________________________________, found on a typical five-tube EFIS (electronic flight instrumentation system) and typically located in the center console of the flight deck, is used as the fifth display of the system.
MFD
The acronym EICAS stands for _________________________________.
Engine Indicating and Crew Alerting Systems
The common displays found on second-generation electronic instrument systems are known as the
_____, the __________, and ______________.
PFD, MFD, ND
New electronics components designed to help the pilot perform preflight and/or flight management tasks and reduce paper on the flightdeck are known as _______________________ .
Electronic Flight Bags
Many of the most modern flight displays receive a computer-generated image of terrain outside the aircraft as it would appear in daylight conditions with good visibility; this concept is known as _______________________.
Synthetic Vision
A _______________________ system allows pilots to view flight-critical instruments, while at the same time keeping their “head up” in order to view the area outside the airplane windshield.
Heads Up Display
For the most part, the terms autopilot and _______________________________ generically describe an automated system used
to assist the pilot to fly the aircraft.
Autoflight
Commonly called a gyro, the purpose of a gyroscope is to remain _______________________, regardless of any movement of the gyro-mounting support or frame.
Stable in space
One type of signal-generating device that consists of three coils mounted on an E-shape piece of laminated steel and that is often used in a gyroscopic sensor is called an _______________________________.
EI Pickoff
As the name implies, an _____________ is a device that senses acceleration, and because this is a vector
force, both magnitude and direction must be measured.
Accelerometer
_______________________________ pressure is a measure of the air pressure as it is pressed into the front of a moving aircraft;
_______________________________ pressure is the absolute pressure of the undisturbed air that surrounds the aircraft.
Pitot and Static
The electronic compass, often called a remote compass or slaved compass system, consists of an electronic unit that measures the earth’s magnetic flux. A common term used to identify this system is _____________________________.
Flux valve/detector (Magnetometer)
A device used to automatically move the aircraft’s control surface or engine throttles in response to an autopilot command is known as a _____________.
Servo
An electrical signal that is directly proportional to the movement of the servo, the actuator, or the control surface is called a _________ signal.
Feedback
There are two common types of feedback systems: AC _______________________________ and
_______________________________.
AC Synchro and Transducer
Modern autopilots typically incorporate a system designed to control the rudder and eliminate Dutch roll; this system is called ____________.
Yaw Damper
More modern corporate and commuter-type aircraft were often equipped with an integrated digital system that combines the autoflight functions, all electronic displays, and engine-indicating and warning systems; this system produced by Honeywell is known as _______________________________.
Primus
Modern electronic tachometers may use a _______________________________ circuit to determine engine rpm.
Frequency Counter
A temperature-sensitive semiconductor that changes in resistance proportion to small changes in temperature is known
as a _______________________________.
Thermistor
The object being sensed by a typical proximity sensor is often referred to as the ________________________________.
Target
Capacitor-type systems measure fuel quantity by _________________________________ rather than volume because the dielectric strength of the fuel changes in accordance with density.
Weight (mass)
The _________________________________ receives input signals from several aircraft and engine sensors, processes this information, and sends it to the appropriate display.
Symbol Generator
Most EFISs include some type of _________________________________ in order to access diagnostic data for system
maintenance.
Built in Test Equipment
Variations of electronic flight instruments systems called _________________________________ and the
_________________________________ are used to display various system parameters, such as engine pressure ratio, rpm, and exhaust gas temperature.
EICAS/ECAM
The EICAS level A messages are called _________________________________ and are displayed in red.
Warning messages
The EICAS level B messages are _________________________________ and are displayed in amber
Caution messages
The integrated display system found on the Cirrus SR-20 employs two _______________________ as the main processor units.
Integrated Avionics Units (IAU)
The main instrument panel of the Airbus A-380 includes eight identical LCDs as part of the integrated system called the
_______________________________.
Control and Display Systems (CDS)
The A-380 has two _______________________ located on the center console between the pilots.
Keyboard and Cursor Control Devices (KCCD)
The A-380 CCD system employs the design concepts of _______________________ to reduce the number of LRUs needed to process display data.
Integrated Modular Avionics
A combination of laser gyros and accelerometers is used to measure angular rates and accelerations in a system known as the _______________________________.
Inertial Reference Systems
The _______________________________ is a panel-mounted instrument that combines heading information (compass data) and NDs (VOR and ILS/glide slope).
HSI
Many modern autopilot systems have become integrated with other systems and perform a variety of functions; these are
often called ____________________________
Flight Management Systems
