Position and Warning Systems

Question 1

What unit in an anti-skid system generates the anti-skid warning signal?

Answer 1

The control unit.

Question 2

How is a pilot alerted that an anti-skid system has automatically returned to a manual brake system?

Answer 2

By a warning light.

Question 3

What is the significance of an anti-skid warning?

Answer 3

The system is off or has failed.

Question 4

By what usual means does the stall warning system in a small aircraft alert the pilot of an impending stall?

Answer 4

An audible alert and/or warning light.

Question 5

What devices are used to provide warnings for a retractable landing gear system?

Answer 5

A horn or other aural device, and a red warning light or lights.

Question 6

How can a pilot determine that the landing gear is down and locked?

Answer 6

A green light or lights and/or another type of visual indicator.

Question 7

Name at least two conditions that would activate a takeoff configuration warning system in a jet transport aircraft.

Answer 7

Incorrect leading or trailing edge flap position, stabilizer position, or speed brake not stowed. The manufacturer may establish other conditions.

Question 8

What landing gear positions must be indicated by regulations?

Answer 8

Down and locked and up and locked.

Question 9

Under what conditions will a landing gear aural warning sound?

Answer 9

When the throttle is retarded and the landing gear is not down and locked.

Question 10

How does a takeoff configuration warning differ from a landing gear warning?

Answer 10

Takeoff warnings are usually an intermittent horns while landing gear warnings are steady.

Question 11

What is the function of a Mach airspeed warning system?

Answer 11

To alert the pilot that the never-exceed airspeed limit has been reached or exceeded.

Question 12

What systems are commonly used to activate the landing gear warning systems?

Answer 12

The throttles (thrust levers) and the wing flaps.

Question 13

Why do airplanes with bleed air anti-icing of the wing leading edge have an anti-ice overheat light(s)?

Answer 13

To indicate an over-temperature condition, usually as the result of a break in the bleed air ducts.

Question 14

What warning system may be required when a nickel-cadmium battery is installed in an aircraft?

Answer 14

A battery temperature monitoring system.

Question 15

At what time would a check of a landing gear warning system normally be made?

Answer 15

During a landing gear retraction test.

Question 16

What is the purpose of an annunciator system?

Answer 16

To show, by means of a warning light, that some system parameter requires attention by the flight crew.

Question 17

If an aircraft with retractable landing gear has only one green light to indicate the gear is down and locked, how will the switches be connected, in series or parallel?

Answer 17

In series

Question 18

Where would you locate the procedures for checking and adjusting the landing gear switches?

Answer 18

In the aircraft manufacturer maintenance manual.

Question 19

What is the usual means for alerting the crew of a jet transport that the cabin doors are not properly closed?

Answer 19

A warning light.

Question 20

Why are transport category aircraft equipped with a master caution and warning system?

Answer 20

To alert the crew that a malfunction has occurred and corrective action may be required.