Instrument Systems Mounting
The method of mounting aircraft instruments in their respective panels depends on what?
The design of the instrument case.
What inspection can a certificated mechanic perform on instruments?
100-hour inspections of instruments.
When would a U.S. resident NOT be required to hold a Federal Communications Commission (FCC) Restricted Radio Telephone Operator Permit to operate two-way aircraft VHF radio equipment?
When flying or communicating within the United States.
What is the preferred location of a VOR antenna on light aircraft?
On top of the cabin with the apex of the V pointing forward.
What is the purpose of a localizer?
To align the airplane with the center of the runway.
Why are aircraft instrument panels electrically bonded to the aircraft structure?
To provide current return paths
A certificated mechanic with at least an airframe rating may perform what?
inspections and function checks on aircraft instruments.
When must the radio station license be displayed in an aircraft equipped with a two-way radio?
When the aircraft is operated outside the United States.
An emergency locator transmitter (ELT) battery must be capable of furnishing power for signal transmission for at least how long?
48 hours.
Where may a person look for the information necessary to determine the required markings on an engine instrument?
Aircraft flight manual or aircraft maintenance manual
Which instrument discrepancies would require replacement of the instrument?
Case leaking, glass cracked, instrument will not zero out, or fogged.
When performing the static system leakage check required by 14 CFR 91.411, the technician utilizes what?
A negative pressure.
In general, what is the purpose of an aircraft transponder?
To receive an interrogation signal from a ground station and automatically send a reply back.
When flags such as NAV, HDG, or GS are displayed on an HSI, it is an indication of what?
That function is inoperative.
The pneumatic (reed) type stall warning system installed in some light aircraft is activated by what?
A negative air pressure
What are aircraft instrument panels generally shock mounted to absorb?
low-frequency, high-amplitude shocks.
The requirements for testing and inspection of instrument static pressure systems required by 14 CFR 91.411 are contained where?
Part 43, appendix E.
Why can one antenna be used for the radio range and standard broadcast bands in light aircraft?
The two ranges are close together.
What characteristics of the installation of a rigid antenna on a vertical stabilizer should be evaluated?
Flutter and vibration.
In the landing configuration GPWS typically monitors the radio (radar) altimeter, air data computer, instrument landing system, as well as what?
Landing gear and flap positions.
What should be considered when selecting hardware for attaching bonding connections to an aircraft structure?
Mechanical strength, ease of installation, amount of current to be carried.
When an unpressurized aircraft's static pressure system is leak checked to comply with the requirements of 14 CFR 91.411, what aircraft instrument may be used in lieu of a pitot-static system tester?
Altimeter.
What is the two-way text communication link between an airliner in flight and the airline's main ground facilities?
Aircraft Communication Addressing & Reporting System (ACARS).
What should be done after an automatic direction finding antenna has been installed?
The loop must be calibrated.
What is the function of a CRT in an EFIS?
To display alphanumeric data and representations of aircraft instruments.