Master Warning System, Oxygen, & Lighting Flashcards
What does the Master Warning System consist of?
Two master warning lights, the center annunciator panel, 5 roof annunciator panels, and a system of audible warnings
What causes an annunciator to extinguish?
The condition which caused that annunciator to light up has been removed
What bus powers the Master Warning System?
The PE bus
Where are the Master Warning Lights, and how do they alert the pilots?
The 2 lights are on the glare shield in front of the pilot and copilot, flashing alternatively
What happens if you press the Master Warning Lights when flashing?
They extinguish
What kind of annunciator causes the Master Warning Lights to illuminate?
Red annunciators only
What happens when pressing the Master Warning Lights even when not activated?
The annunciators on the center annunciator panel will dim
What causes the dimmed lights to return to full brightness?
Any subsequent annunciator lights activating
What are the annunciator types and corresponding colors on the Center Annunciator Panel?
Red (Warning), Amber (Caution), White (Advisory/Status)
How many groups, and what groupings of annunciators are located on the Roof Annunciator Panels?
5: Ice Protection, Fuel, DC Power, AC Power, Engine Fire Lights
What happens when any roof panel annunciators are illuminated?
An illuminated repeater, or “look up” annunciator on the main annunciator panel is activated
What annunciator will point to a gauge, rather than another annunciator?
The DUCT OVHT annunciator
What causes nearly all annunciators to illuminate?
The ANNUN pushbutton on the overhead test panel
What controls the dimming level of the annunciators (and isn’t the Master Warning Lights?)
The Dimming Control Panel
Dimming Control switch set to NORM
Able to use the MWS rheostat (knob) to adjust annunciator intensity
Dimming Control switch set to DIM OVRD
Bypasses the dimming circuit in case of a failure, sets annunciators to full brilliance
What causes the engine fire detection audible warning, and how can it be silenced?
An engine fire is detected on either engine; the bell can be cancelled by pressing the respective BELL CANCEL button
What causes the landing gear warning horn?
The aircraft is in a state where the gear is in any position other than down and locked, and the flap handle is in the approach or landing position OR gear handle is up on the ground and the start bus is on
What causes the airbrake warning horn?
The aircraft is in a state where the gear is down and locked, both throttled above 60-70% N1, and the airbrakes are not stowed
What causes a horn when the throttles are below 60-70% N1?
The aircraft is in a state where the gear is not down and locked, either throttle is below 60-70% N1, and airspeed is below 150 KIAS
What speeds cause the overspeed horn?
Exceeding 335 KIAS (no fuel in ventral tank), 280 KIAS (fuel in ventral tank), 0.80 Mach
What causes the cabin altitude horn to sound?
Cabin pressure has exceeded 9,300’ ± 300’, or 14,000’ ± 300’ when High Datum mode selected
What causes the Anti-Icing chime to sound?
The TKS timer hits zero
What lights do we have on the Hawker 900XP?
Standard navigation wingtip/tail lights, 2 landing lights, 4 taxi lights, 2 anti collision beacons, 3 strobe lights, 2 wing ice inspection lights, 2 (optional) logo lights
Where are the exterior lighting controls in the cockpit?
Lower left corner of overhead panel
What lighting switches are two position and three position?
BEACON, NAV, STROBE - 2 position
ICE/LOGO - 3 position if logo installed, otherwise 2 position
LANDING/TAXI - 3 position, cannot turn on landing lights without taxi lights turning on
What do our NAV lights being on tell others?
The aircraft is powered (GPU, BAT, APU)
What do our BEACON lights being on tell others?
Engines are running or starting
What do our TAXI lights being on tell others?
Aircraft is moving
What do our LANDING lights tell others?
Aircraft is flying
What does the ARM position of a cabin emergency exit lighting switch do?
The cabin exit sign will automatically be illuminated with loss of PE power
Where is oxygen provided onboard the Hawker?
3 pilots (includes jumpseat), passengers in main cabin, therapeutic oxygen outlets in cabin
What type of oxygen masks are onboard?
Pressure demand for crew, constant flow for passengers
How is oxygen stored?
Standard operation uses two 750-liter oxygen bottles, can accommodate up to four bottles, located in aft equipment bay, filled through a common refill line
Where are the oxygen controls on the Hawker?
Captain side console
What is the green SUPPLY knob?
Opens master supply valve
What is the red PASSENGER SUPPLY EMERGENCY knob?
Controls passenger mask deployment
What is the grey CABIN OXYGEN knob?
Controls passenger oxygen
When does the barometric valve automatically open?
At cabin altitudes of 14,500’ ± 500’ supplying oxygen to passenger masks
What is the first memory item in scenarios involving loss of pressurization, fire, or smoke?
Don your oxygen mask
What are the normal oxygen supply settings for oxygen masks (in the case of the pilots)?
Mix of oxygen and cabin air up to cabin altitude of 30,000’
100% oxygen to 35,000’
100% oxygen with positive pressure above 35,000’
100% oxygen, positive pressure when in the 100% position
What does the 100% oxygen supply setting do for crew oxygen masks?
Provides 100% oxygen at all altitudes
What happens if you turn the oxygen supply knob to EMERGENCY?
Oxygen supplied with positive pressure
What happens if you turn the microphone switch to the OXY/MIC setting?
Oxygen mask microphone selected, on-side speaker activated
How can the startle effect affect your time of useful conciousness?
It may reduce time of useful consciousness by up to half
Time of useful consciousness ______ with altitude
decreases
The MWS annunciators can be dimmed:
By pressing the face of either red MWS glareshield annunciator
With the exception of DUCT OVHT ^, the arrows on the center annunciator panel flashers signify:
That a roof panel annunciator is illuminated
The white annunciators indicate:
Completed operations and/or system status
The bus bar that powers the master warning system is:
PE
The master warning flashing lights on the glareshield can be extinguished by:
Pressing the face of either red MWS annunciator
To illuminate all MWS annunciators at maximum intensity:
Press the ANNUN switch
To bypass the DIM circuit:
Position the DIM OVRD switch to OVRD
Power or the EMERG-OFF-STORM switch (EMERG position) is controlled by the _____ bus bar:
PE
The entry light switch is on the:
Left bulkhead sidewall
If the NO SMKG switch is position to AUTO, the NO SMOKING light illuminates when:
The nose gear locks down during extension
For normal operations, the EMERG lights switch on the roof panel should be positioned to:
ARM
The _____ switch provides circuit control for the instruments, pedestal lighting, and display panels
LTS MASTER
The fully serviced oxygen cylinder pressure at 70°F is:
1,800 PSI
The charging OXYGEN CONTENTS gauge reads:
Direct system high pressure
To deploy the passenger oxygen masks, the pilot should pull the:
PASSENGER SUPPLY EMERGENCY valve (red control knob)
The valve that controls the oxygen supply to all cockpit an cabin outlets/valves is the:
Master SUPPLY valve
The passenger constant-flow masks deliver oxygen:
At all times when the system is activated an the mask lanyard is pulled
The passenger oxygen masks are automatically deployed and oxygen is available to the passengers when the:
Cabin altitude reaches 14,000’ ± 500’ for Hi-Datum, an the master SUPPLY and passenger supply ON-OFF valves are in the ON position
The portable oxygen smoke set supplies oxygen to the wearer for approximately”
15 minutes
