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AIRFRAME
J POSITION AND WARNING SYSTEMS
| Question | Answer |
|---|---|
| What unit in an anti-skid system generates the anti-skid warning signal? | The control unit. |
| How is a pilot alerted that an anti-skid system has automatically returned to a manual brake system? | By a warning light. |
| What is the significance of an anti-skid warning? | The system is off or has failed. |
| By what usual means does the stall warning system in a small aircraft alert the pilot of an impending stall? | An audible alert and/ or a warning light |
| What devices are used to provide warnings for a retractable landing gear system? | A horn or other aural device, and a red warning light or lights. |
| How can a pilot determine that the landing gear is down and locked | A green light or lights and/ or another type of visual indicator. |
| Name at least two conditions that would activate a takeoff configuration warning system in a jet transport aircraft. | Incorrect leading or trailing edge flap position, stabilizer position, or speed brake not stowed. The manufacturer may establish other conditions. |
| What landing gear positions must be indicated by regulations? | Down and locked and up and locked. |
| Under what conditions will a landing gear aural warning sound? | When the throttle is retarded and the landing gear is not down and locked. |
| How does a takeoff configuration warning differ from a landing gear warning? | Takeoff warnings are usually an intermittent horns while landing gear warnings are steady. |
| What is the function of a Mach airspeed warning system | To alert the pilot that the never-exceed airspeed limit has been reached or exceeded |
| What systems are commonly used to activate the landing gear warning systems? | The throttles (thrust levers) and the wing flaps |
| Why do airplanes with bleed air anti-icing of the wing leading edge have an anti-ice overheat light(s)? | To indicate an over-temperature condition, usually as the result of a break in the bleed air ducts. |
| What warning system may be required when a nickel-cadmium battery is installed in an aircraft? | A battery temperature monitoring system. |
| At what time would a check of a landing gear warning system normally be made? | During a landing gear retraction test. |
| What is the purpose of an annunciator system? | To show, by means of a warning light, that some system parameter requires attention by the flight crew |
| 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 in parallel? | In series. |
| Where would you locate the procedures for checking and adjusting the landing gear switches? | - In the aircraft manufacturer's manual. |
| What is the usual means for alerting the crew of a jet transport that the cabin doors are not properly closed? | A warning light. |
| Why are transport category aircraft equipped with a master caution and warning system? | To alert the crew that a malfunction has occurred and corrective action may be required. |