3272-11-sys (1.11)

In a GPS system what type of clock is in the receiver?. Atomic. Quartz. Battery.

What is the purpose of the autopilot?. To relieve the flight crew of their duties during long haul flights. To reduce the flight crew's workload. To enable the aircraft to land in bad weather.

On the ATC radio readability scale, what is satisfactory reception?. 1. 3. 5.

An ADF system includes. a sense antenna. both a sense and loop antenna. a loop antenna.

A category 2 landing RVR is. 400 m. 200 m. 800 m.

Autopilot servo brake is energised. to actuate on. to actuate off. at the same time as the clutch.

Frequencies used for a Microwave Landing System are. 5 - 5.1 KHz. 5 - 5.1 GHz. 5 - 5.1 MHz.

Where is the antenna located for watching TV?. On the fuselage roof. In the stabiliser tip. Near the wingtips, away from the cabin.

Which category are hand mikes considered essential?. Light aircraft. Aerial work aircraft. Heavy passenger aircraft.

Emergency frequency is. 121.5 MHz. 123.5 MHz. 125.5 MHz.

In a servo loop, an LVDT provides. rate feedback. either rate or position feedback. position feedback.

121.5 MHz is what frequency?. ILS. VHF. VOR.

Transmitter aerials radiate. electromagnetic energy only. electrostatic and electromagnetic energy. electrostatic energy only.

112.1 MHz is what frequency?. UHF. ILS. VOR.

When turbulence mode is selected, which other mode will not be available?. Heading Hold. ALT Hold. VOR.

Priority messages in an aircraft centralised warning system, go in order of (lowest to highest): TCAS, GPWS, windshear. GPWS, windshear, TCAS. TCAS, windshear, GPWS.

On a fibreglass aerial, what paint should be used?. Polyurethane. Not cellulose. Cellulose only.

Full scale deflection of the glideslope pointer from the centreline is. 0.5°. 2.5°. 3°.

111.2 MHz is. VHF. VOR. ILS.

IRS obtains basic position information by. integrating the accelerometer output. integrating twice the accelerometer output. differentiating the accelerometer output.

TCAS antenna is a. omnidirectional blade type L-band. phased-array L-band. directional antenna.

MLS frequency is. 6000-6100 MHz. 5050-6050 MHz. 5000-6000 MHz.

Which colour on the weather radar screen does the pilot avoid fly-through in order not to encounter strong thunderstorm and heavy rain?. Magenta. Yellow. Blue.

GPWS is. W-band. X-band. L-band.

When painting a neoprene coated radio antenna. do not use cellulose paint. use cellulose paint. use any paint.

To minimize cross cable interference. place filter in power supply. run radiating and affected cables as separate bundles. run cables as single bundle.

Which 30Hz signal from a VOR ground station is frequency modulated?. The reference signal, which is constant. The ident tone. The variable signal.

How is the the glideslope frequency chosen on the navigation control panel?. It is not manually chosen. It is paired with the VOR frequency. Via the G/S selector knob. It is not manually chosen. It is paired with the localizer frequency.

How many times does the INS (inertial navigation system) integrate the acceleration signal it receives from the accelerometers to get the distance the aircraft has flown?. Twice. Three times. Once.

Radar altimeter uses what frequency?. 1200 MHz. 2300 MHz. 4000 MHz.

Alert and Decision Heights differ in that. the Alert height is based on ILS equipment and Decision height is based on the RVR. the Decision height is based on ILS equipment and Alert height is based on the RVR. the Alert height is based on aircraft characteristics and Decision height is based on the airport facilities.

DME compares what for measurement of slant distance?. Pulse transmission and return echo. Pulse pairs. Aircraft range and height.

A TCAS blade aerial is. a 1-band omnidirectional array. unidirectional. a 1-band directional array.

FM improvements affect what system?. VHF, VOR and ILS. ADF, VOR and ILS. ADF, VHF and ILS.

How many axis does the aircraft autopilot control?. Three. Four. Two.

Digital weather radar is on map mode. What happens?. Display alters. Switches antennas. Antenna tilts down.

ACARs sends information from base to aircraft via. printer. FMS. voice.

What does 7700 indicate on an ATC control panel?. Hijack. Emergency. Radio Failure.

The number of VHF frequency channels is. 360. 720. 760.

In VHF comms, with 8.33 kHz spacing, how many channels are used?. 720. 350. 2280.

In an INS, vertical acceleration is calculated by. an accelerometer and laser gyro. an accelerometer. a laser gyro.

The autopilot is instructed by the. GPS. FMC. Flight Director.

Inertia is. the result of a gyro running at normal speed. the plane of rotation of a gyro. the property that resists any force that tends to change the plane of rotation of a gyro.

VOR signals are sent to the. Roll channel. Pitch channel. Yaw channel.

ILS marker beacon lights are. blue, amber, white. green, blue, amber. blue, white, green.

111.1 MHz is. a VOR frequency. a HF frequency. an ILS frequency.

An autopilot PFCU servo brake is. energised at the same time as the clutch. energised on. energised off.

The aviation distress frequency is. 121.5 MHz. 121.5 kHZ. 122.5 MHz.

A radar altimeter in track mode is effective to. 100 ft. 2000 ft. 2500 ft.

112.1 MHz is. a VOR frequency. an ADF frequency. an ILS frequency.

What does a Decca Navigation system operate on?. Low Frequency. High Frequency. Very High Frequency.

Which of the following has a hyperbolic curve?. VOR. DME. Loran C.

A GPS satellite will come into view. 10° above the horizon with respect to the viewer. 20° above the horizon with respect to the viewer. 15° above the horizon with respect to the viewer.

Restrictions to the use of hand held microphones apply to. private aircraft. aerial work and transport category aircraft. transport category aircraft only.

The purpose of the clutch in an autothrottle servo is. to allow the pilot to override. to protect the servo motor in the event of inadvertent runaway. to limit the range of control movement.

Track mode of an RA is operational. from 0 to 2,500 feet. from 1.0 to 100 feet. above 10,000 feet.

How many aerials are there in a TCAS system?. 1. 2. 3.

Wavelength of X band radar is. 5 cm. 3 cm. 10 m.

Precipitation static is caused by. HF radiation. skin to air particle collisions. lightning strikes.

HF aerials have weak points designed at. both ends. the back end. the front end.

What is the reply frequency of an aircraft transponder?. 1030 MHz. 1090 MHz. 1000 MHz.

CAT 2 RVR limit is. 1200 ft. 10,000 ft. 1000 ft.

With autopilot engaged, which control surface is inhibited?. Ailerons. THS. Elevators.

When flaps are lowered, the automatic trim system will. not adjust the THS angle of incidence, it will remains the same. increase the angle of incidence of the THS. decrease the angle of incidence of the THS.

In autopilot, the control column. moves in pitch and roll. does not move. moves in pitch.

A 'hyperbolic' system is. ILS. LORAN C. VOR.

When is autothrottle disengaged?. On landing. On selection of thrust reverse. After thrust reverser has deployed beyond 90% so that TO/GA can be selected in case of emergency.

In aircraft with an autopilot and an auto trim, a pitch command input will cause. column to move and trim system to move. column will not move and trim system will move. column to move but trim system not to move.

In regard to the aircraft transponder, what is the pulse frequency?. Amount of times reply signal is sent per second. Amount of times interrogating signal is sent per second. Number of pulses per signal.

CAT 2 RVR limit is. 800 m. 200 m. 400 m.

How many programs can a FMC store?. Two. One active and one standby. Two. Both active. One current.

EPR and speed for autothrottle is activated at. cruise. take off. approach.

How does an IRS calculate velocity?. Differentiation of laser gyro. Integration of accelerometers. Double integration of accelerometers.

In an autopilot, what controls pitch mode?. Localizer. Glideslope. VOR.

Glideslope controls autopilot in. pitch. yaw. roll.

Static dischargers help eliminate radio interference by dissipating static electricity into the atmosphere at. high voltage levels. low current levels. all voltage levels.

What is B-RNAV?. Indicates bearing and airspeed until next active waypoint. Indicates true airspeed. Ability to store 6 waypoints.

An Automatic Flight Control System receives inputs from the following ground based transmitters. DME, ILS, ADF. VOR, ILS. RA, ADF, ILS.

What is the wavelength of C band radar?. 3 cm. 17 m. 7 cm.

What is primary radar?. Land based. Radar that gives height and position. Radar that sends out pulse and receives reflected pulse.

What is ILS marker beacon frequency?. 50 MHz. 75 MHz. 100 MHz.

TCAS is selected. by a switch, by pilot on selector panel. automatically. not available in cruise.

The manual VOR input is for. course deviation bar. glideslope. RMI.

The mach trim is initiated by. the autopilot motor. a PCU. an electric motor.

What is the colour of the middle marker beacon?. White. Blue. Amber.

A GPS system is formed from. satellites, processing unit, display unit. receiver, processing unit, interactive console. space, control, user.

For aircraft with dual CMCs, when only one CMC is available, it. must be connected to the right side. can be connected to either side. must be connected to the left side.

Laser gyros are. aligned to the aircraft structure. aligned to the true north. aligned to the magnetic north.

Laser gyros. have rotational parts. do not have rotational parts. have no movable parts.

A radio coupled approach is. localiser first, followed by glideslope. glideslope first, followed by localiser. in any order.