Caution and Warning Systems Flashcards
Landing Gear Warning Horn Criteria
One or Both Power Levers Within 1 in of Flight Idle Stop
Flap Moved from Up with Gear Up
CWP DIM Switch Affected Annunciations
L INLET R INLET MAX FLOW AP DISC PROP SYNC Landing Gear Green Safe Lights FMA Lights on Audio Control Panel
CWP Power Supply
Left Half - Distribution Bus 1
Right Half - Distribution Bus 2
CWP TEST Switch Function
ALL CWP (L and R FIRE Captions Flash)
Distr Bus Off Lights - CB Panel
Radio Bus Off Lights - CB Panel
Gear Position Lights
Stall Warn Inop Light - Left Instrument Panel
LA and HA Lights - Left Instrument Panel
Fuel Interconnect Valve Open Light - Centre Pedestal
Fuel Interconnect Valve TR Light - Centre Pedestal
Low Fuel Pumps Lights - Centre Pedestal
Annunciators Not tested by CWP TEST Switch
By Pass Lights NTS Test Lights Overhead Panel Annunciators Envir Master Switch Annunciator Bleed Air Valves Annunciators Avionics Systems Annunciators
CWP Dim Switch Selection Requirements
Must Have at Least One Listed Caption Illuminated First for CWP Dimming
FMA and Gear Lights are Dimmed Regardless of Illumination
CWP Dim Switch Deactivation
For CWP Only: All Affected Captions Extinguished
For All: DepressTEST Switch or Turn off all Electrics
LEFT / RIGHT FIRE Captions Meaning / Colour
Engine Fire Warning
Red (Flashing for 10-20 Seconds)
L/R BETA Captions Meaning / Colour
Engine in Beta Mode
Amber
L/R Chip Captions Meaning / Colour
Metal Chips Detected in Engine Oil System
Amber (Flashing for 10-20 Seconds)
L/R HYD Captions Meaning / Colour
No Flow from Respective Hydraulic Pump
Amber
LOW FUEL Caption Meaning / Colour
Useable Fuel Quantity in either wing is 160 (+/-20)lbs or Less
Red (Flashing for 10-20 Seconds
L/R INLET Captions Meaning / Colour
Respective Engine Inlet Heat is Selected On
Amber
FUS TEMP Caption Meaning / Colour
Bleed Air Leak in Rear Fuselage
Red (Flashing for 10-20 Seconds)
L/R GEN Captions Meaning / Colour
Respective Generator is not Operating
Amber (Flashing for 10-20 Seconds)
CABIN ALT Caption Meaning / Colour
Cabin Altitude is At, or Above, 11,000(+/-500)ft
Red (Flashing for 10-20 Seconds)
AC VOLTS Caption Meaning / Colour
No Power on AC Bus
Amber (Flashing for 10-20 Seconds)
MAX FLOW Caption Meaning / Colour
Environmental Unit Pressure Regulator open to Max Flow
Amber
A/P DISC Caption Meaning / Colour
Autopilot is not Engaged
Amber
PROP SYNC Caption Meaning / Colour
Gear is Extended with Prop Sync Engaged
Amber (Flashing for 10-20 Seconds)
ECU PRESS Caption Meaning / Colour
ECU Pressure Regulator has Failed (Sundstrand Only)
Red (Flashing for 10-20 Seconds)
REG AIR Caption Meaning / Colour
Pneumatic System Pressure Regulator and Relief Valve Failed (Higher System Pressure then Normal)
Amber (Flashing for 10-20 Seconds)
DOOR Caption Meaning / Colour
Cabin Entrance Door is not Properly Closed and Locked and/or Rear Baggage Door is not Closed
RED (Flashing for 10-20 Seconds)
Stall Warning System Components
Lift Transducer Stall Warning Vane (Fitted to Transducer) Computer Two Altitude Switches Cockpit Warning Horn Stall Warning Test Switch
Stall Warning Speed Range
4-9KIAS Above Stall in all Configurations
Stall Warning System Annunciators
Amber STALL WARN INOP (Left Side Instrument Panel)
Blue LA and HA Lamps (Left Side Instrument Panel)
STALL WARN INOP Annunciation Meaning
Loss of Power to, or Failure of, Stall Warning Computer
LA and HA Annunciation Meanings
LA - Aircraft Altitude 22,000ft - 30,000ft
HA - Aircraft Altitude 30,000ft+
No Scheduled Annunciation - Stall Warning System Should be Considered Unreliable
Blue SM Annunciator Meaning/Location
Batteries in Series Mode
Overhead Panel
Amber TQ Annunciator Meaning/Location
Torque Limiter Disabled (Relevant Engine)
Overhead Panel
Amber NT Annunciator Meaning/Location
NTS Test Switch in Test Position (Relevant Engine)
Overhead Panel
Amber IG Annunciator Meaning/Location
Ignition is Activated (Relevant Engine)
Overhead Panel
Red Annunciator Definition
A Malfunction or Failure Which May Present a Hazard Which May Require Immediate Corrective Action
Amber Annunciator Definition
A Malfunction or Failure Which Does Not Normally Present an Immediate Hazard
Blue Annunciator Definition
A System Status
Low Volt Warning Light Meaning
Voltage on Main Bus is less than 26(+/-0.2)V (Tie Bus on Later Models)