Smartbook GK (left off at flaps) Flashcards by Mark Coppola

What is the normal operating PSI of the hydraulic system?

2850 to 3200 psi

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When will the hydraulic light illuminate? When will it go out?

-Light will come on at 1500 PSI or high temperature
-Light will go back out at 1800 PSI or when the fluid temperature cools enough

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What does the Utility Hydraulics (left side) control?

Flight controls
Augmenter (SAS)
Nose wheel steering
Gear
Speed brake

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What powers the landing gear and gear doors? What about the gear lever?

-Utility hydraulics for gear and gear doors
-Right DC bus for gear lever

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About how long does gear extension and retraction take?

6 seconds

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How will the gear lights be impacted by DC power failure?

RCP nose light will not illuminate due to relay wiring

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When does the gear warning go off?

Below 210 KCAS, below 10,000 feet, and both throttles less than 96% RPM

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When will the gear warning go off after being activated?

the light and tone will not go off until 240 KCAS

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Will an unlocked gear activate an audible warning?

No. An audible warning is not activated by an unlocked gear door condition

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When is the gear voice message activated?

when the nose gear is down and locked and airspeed is
-above 240
or
-above 220 and increasing at 2 knots/sec with increasing ground speed

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What does pressing the warning horn silence button do?

it will silence the audible signal

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When is the stall warning activated?

-Gear down and 0.8 AoA or greater
-Gear up at 0.8 AoA and below 5,000 feet AGL (when enabled)

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How long does alternate gear extension take for full down and locked condition?

15 to 35 seconds

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What electrical system powers the nose wheel steering? How is it activated? How is it deactivated?

-Right DC powered
-Must be held on
-Deactivated if either throttle in MAX or weight not on nose gear

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How many wheel brake cylinders are there? How many self-adjuster mechanisms?

4 cylinders (2 each cockpit)
3 self-adjuster mechanisms

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How are the wheel brakes powered? How are the wheel brakes activated?

-Separate hydraulic system
-Whoever applies the most force controls the brake force

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How do you know the brakes are near the end of their service life?

when the top nut is flush with top of cylinder on the self-adjuster mechanism

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When is hydroplaning possible?

9 times the square root of the tire pressure
~142 knots

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What is the minimum time interval between full stop landings?

Gear retracted in flight: 45 minutes
Gear extended in flight: 15 minutes

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How are the flight controls powered and what type of flight controls? How do they feel?

-Hydraulically powered and irreversible flight controls
-Artificial feel from springs and bob weights

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When does the min stick forces per G occur?

0.9 Mach

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Pulsing the stick at __ to __ Mach may overshoot G limit

0.85 to 0.95 Mach

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How is the trim controlled?

Right AC motor

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How is runaway trim prevented?

Limit and cut out switches

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How much is the rudder able to move at different configurations?

Nose gear extended more than 3/4: 30 degrees either side Less than 3/4: 6 degrees either side Rudder trim (left AC): 2 degrees of trim

What must be on before the rudder will trim?

Yaw damper must be on

How does the stability augmenter system work?

Utility hydraulic pressure to reduce yaw oscillations

What is required for the SAS to operate?

L/R AC and R DC, MDP, EGI, and ADC

Is the SAS required for safe flight operation?

No. It is not required

How is the SAS turned on/off?

via the EGI switch, spring loaded to off, but held on by Left AC power

When does the SAS disengage?

anytime ICAO data is transferred from DTD to MDP or AC power failure

Ground operation of SAS can cause chatter of rudder or rudder pedals __ to __ sec after nose wheel steering activation following turns

5 to 10 seconds

Rudder pedals may chatter for __ to __ seconds, this is a normal ground phenomenon

1 to 2 seconds

What is on the Left AC bus?

BALLERS Boost Pump AoA vane heat Left autosyn instruments Rudder trim SAS

What is on the Right AC bus?

THE P FARM Trim HUD Engine anti-ice Pitot heat Flaps Air conditioning Right autosyn instruments MDP (UFCP)

What is on the Left DC bus?

W VID FACTS WCI in bright VOR ILS DME Flap control/Fuel shutoff/FF AAP/AIU/Standby ADI/ALT/AoA lights Crossfeed Transponder Speedbrake

What is on the Right DC bus?

I MADE A NAG FUN Indicator (flap) MFD ADC (AoA gone) DTS EED/EGI AB (nozzle position) Nose Wheel Steering AIU Gear control Flap position/fire detect UHF NAV (GPS, INS, EGI)

What is on the Non-essential DC bus?

TRUV TCAS Recorder UFCP VHF

What is on the Battery bus?

SEA Static inverter Engine start AB ignition

What items are 3 phase AC?

BRF HUD Boost pumps TRUs Flaps HUD

When should you not use flaps?

High AoA or during aerobatic maneuvering

How are the flaps motors controlled? What about the lever and indicator?

Motors are Right AC Lever is Left DC Indicator is Right DC

How are the flap motors redundant?

through rotary shaft

What happens if the flap lever is between stops?

the flaps won't move

What are bug speed calculations based on?

Flap angle from the ADC, not the position indicator

When will the FLAPS indicator indicate on the HUD/MFD? What is it based on?

-Airspeed with 10 KCAS or exceeding airspeed limit -Based on MDP data to ADC, not indicator

How much tolerance is incorporated into the flap position?

5% tolerance

How does the aux flaps work?

Up moves the flaps up, 60% stops, 100% moves the flaps down

What is the flap slab interconnect?

Slab automatically moves to eliminate pitch changes by flap movement

How does the flap slap interconnect change horizontal tail travel?

Increases horizontal tail travel in the nose down direction

Where does most flap slab compensation occur?

in the first 35% of flap deflection

How is a flap slab failure indicated?

-a smooth pitch up when lowering the flaps -abrupt pitch up when flaps are lowered

The speed brake is powered by the ___ hydraulic system and ____ power

Utility hydraulic system Left DC power

How does speed brake creep occur?

With the switch in the center position and the aircraft pulls G or maneuvers

The speed brake position in the FCP should be

placed in the position selected in the RCP

How many AC generators are there?

2; one for each engine

How much power and phases do the AC generators produce?

3 phase power at 115/200 V

How many cycles per second do the generators produce?

320 - 480 cycles per second

How many volts do the generators operate at?

115 +/- 2 Volts

When does a rectifier failure PFL occur?

Reduced output from the generator; below 108 +/- 2 volts

What is the generator cut in range?

43 - 48% RPM

What is the generator shift range?

65 - 75% RPM

How can the generators be stopped?

They cannot be stopped, only disconnected from the busses

What should you do if a generator fails?

Reset only one time. If it restarts and subsequently fails, it may be reset again

What happens with AC instrument failure vs DC instrument failure?

AC lies (freezes) DC dies (goes to the 0 position)

What are bus contractors?

They connect the generators to the buses per the protection panel's signal

What does the protection panel do?

protects busses from a bad generator and the generator from a bad bus; also controls crossover capability

What do the TRUs do?

Convert AC power to DC power

How many volts and amps are the TRUs?

28 VDC and 50 amps

What happens if you have single TRU failure or output below 25.5 volts?

a PFL

What happens if you have dual TRU failure?

XMFR RECT OUT light

How does the TRUs power all 3 DC busses?

via diode module

When will a false XFMR RECT OUT light illuminate?

If interior lights are dimmed and the left DC bus fails

The TRU output voltage is paralleled to

provide on output to the busses

How many volts and amps is the battery?

24 VDC and 10 amps

How much time will the battery last on 80% charge?

15 minutes

When does the battery operate?

Primarily for starts, but also when both TRUs fail, both generators inop, DC components draw DC bus to less than 24 VDC

The battery relay needs __ volts to close and will remain closed until __ volts

18 volts to close and will remain closed until 10 volts or less

The XMFR RECT OUT light appears anytime

the battery is powering the DC busses

The battery must be __ for APU starts