11.5 Flashcards

1
Q

What clock is used in a GPS satellite?

A

Atomic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In a GPS system what type of clock is in the receiver?

A

Quartz

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is mode 1 and 2 of GPWS used for?

A

Excessive descent rate and excessive terrain closure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

IRS laser gyro is what type of gyro?

A

Rate gyro

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A HF coupling is used to match the?

A

Aerial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Coriolis effect is corrected for by?

A

Adding a correction term to the accelerometer outputs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

FMCS utilises:

A

ILS, DME & ADC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

FM improvements effect what systems?

A

VHF, VOR & ILS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

FMC auto tunes?

A

VOR & DME

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What type of gyroscope is housed within an attitude indicator?

A

Displacement gyroscope

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What kind of gyro is a rate gyro?

A

Tied down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the purpose of the hairspring in a Bourdon tube pressure gauge?

A

To reduce backlash

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What errors are direct reading compasses subject to?

A

Acceleration and turning errors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

TAS computed from IAS takes into account?

A

Temperature and altitude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

TAS in an ADC is a function of?

A

Mach number and temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The directional gyro is checked every 15 minutes for?

A

Drift

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The capsule in an altimeter responds to?

A

Absolute pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

One atmosphere is?

A

760 mm.hg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

A laser gyro gives?

A

Rate of angular displacement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

A standby air supply for gyro operation could be obtained from?

A

A Venturi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

An altimeter in a pressurised aircraft at altitude has a case leak. The altimeter will?

A

Under read

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Gauge pressure as indicated on a direct reading Bourdon tube pressure gauge is equal to?

A

Absolute pressure minus atmospheric pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

In a directional gyro, the inner/outer gimbal is corrected to?

A

15 sine latitude

24
Q

What is a necessary requirement with respect to a direction indicator?

A

It must be manually realigned with the magnetic heading periodically

25
Q

What happens to an Altimeter capsule during decent?

A

Capsule compresses

26
Q

What happens to the altimeter case during a climb?

A

The capsule expands

27
Q

GPS receiver navigation message frequency is?

A

50Hz

28
Q

In a servo loop, an LVDT provides?

A

Position feedback

29
Q

In an IN system, the output of the accelerometer is linear because of a?

A

Force balance system

30
Q

Primary radar is?

A

Reflected signal from aircrafts own radar

31
Q

Radar altimeter uses what frequency?

A

4000MHz

32
Q

Random precession of the inner gimbal ring is detected by placing mercury switches where?

A

On inner gimbal ring

33
Q

Restrictions to the use of hand held microphones apply to?

A

Transport category aircraft only

34
Q

Static dischargers help eliminate static electricity at what current levels? High or low?

A

Low current levels

35
Q

The crab angle of the aircraft during VOR or LOC modes is displayed by the?

A

Difference between the course arrow and aircraft heading

36
Q

When the inertial platform is torqued to perform like a Schuler pendulum, how does the platform oscillate?

A

The platform oscillates with respect to the local vertical

37
Q

DME frequency range

A

960MHz - 1216MHz

38
Q

In a CADC system, mach information is derived from?

A

IAS and altitude

39
Q

When a force is applied to a horizontal gyro, the precession of the rotor will continue until?

A

Plane of rotation is in line with the plane of applied force

40
Q

DME uses which frequency band?

A

UHF

41
Q

Which warning mode of the GPWS provides only an audio warning?

A

Mode 6

42
Q

What is the purpose of an attitude director?

A

To provide the pilot with fly-to-cues to simplify navigation

43
Q

If a micro adjuster is replaced in a compass system, you would?

A

Carry out a new compass swing

44
Q

Basic T layout:

A

Airspeed, ASI , Altimeter
HSI

45
Q

If rate feedback in a flight director goes open circuit, position feedback will?

A

Oscillate

46
Q

Random drift of a gyro is caused by?

A

Unbalance and bearing friction in the gyro

47
Q

Radio communications are typically?

A

Half duplex

48
Q

The rate of turn information from a turn coordinator (compared to a turn and slip) is?

A

More instantaneous

49
Q

Autopilot clutches are energised?

A

On

50
Q

A gyroscope having one plane of freedom at right angle to the plane of rotation, and its gimbal restrained either electrically or by a spring, is known as?

A

A rate gyro

51
Q

In a 28v AC ratio meter pressure indicating system pointer position is determined by?

A

The difference between two currents in the indicator field windings

52
Q

What has a hyperbolic curve?

A

Loran C, Decca & Omega

53
Q

The decision height light will illuminate when?

A

The aircrafts indicated altitude is below decision height

54
Q

Autopilot PFCU servo brake is

A

Energised off

55
Q

The rate of precession of a gyro is?

A

Inversely proportional to speed and directly proportional to torque

56
Q

Frequency for glide slope tone

A

150hz below
90hz above

57
Q

Frequency for a localiser tone

A

150hz Right side
90hz left side