Lights & Switches Flashcards
ADIRS Panel
What does the ADIRS panel provide in general?
Flight Path Vector / Aircraft Position / Track / Heading / Attitude / Acceleration / Ground Speed + Barometric info / Overspeed / Angle of Attack AOA / Temps / Speed-Mach / Back up speed Altitude Scales on AC 205/216 when unreliable speed and ADRSx3 are shutoff below FL250 FATHAAG / BOATSBUSS
ADIRS Panel
Data Selector Knob
TEST
Display shows all 8s
ADIRS Panel
Data Selector Knob
TK/GS
Displays True Track and Groundspeed
ADIRS Panel
Data Selector Knob
PPOS
Displays Present LAT/LONG
ADIRS Panel
Data Selector Knob
WIND
Displays True Wind Direction / Speed
ADIRS Panel
Data Selector Knob
HDG
Displays True HDG and TTN - *Time To Nav
ADIRS Panel
Data Selector Knob
STS
Displays Action Code
ADIRS Panel
SYS Selector Knob 1/2/3
OFF
Selects IR to Display/Input Data Off = Display Unpowered
ADIRS Panel
ADIRS ON BAT
Light (Amber)
- One or more of the IRs are on BAT power.
- Self Test during a full alignment.
- External horn will sound.
ADIRS Panel
IR 1/2/3 Fault Light
Steady Amber
Fault in IR
Pitot Static System is lost
Can utilize switching panel to access ADR3 if necessary
ADIRS Panel
IR 1/2/3 Fault Light
Flashing Amber
Attitude and Heading may be recovered using ATT mode
ADIRS Panel
IR 1/2/3 Align Light
Steady White
Normal during Alignment
(approx. 10 minutes)
ADIRS Panel
IR 1/2/3 Align Light
Flashing White
- NO POSITION entered within 10 minutes
- BAD POSITION > (1º or 60nm)
- FAULT (A/C moved during Alignment)
ADIRS Panel
IR 1/2/3 Rotary Selector
NAV
Normal Mode Supplying Full Inertial Data
ADIRS Panel
IR 1/2/3 Rotary Selector
ATT
Attitude and Heading Only
Supplied when GPS operational then data entered automatically.
Otherwise manually
• Enter magnetic Heading using keyboard (i.e. H9990)
- Every 10 Minutes
- 4th Digit is Tenths
- Converts to True HDG
ADIRS Panel
IR 1/2/3 Rotary Selector
OFF
ADIRU Unpowered
Wait 10 seconds before un-powering A/C Electric System
ADIRS Panel
ADR 1/2/3 Fault Light
(Amber)
Fault in Air Data
ADIRS Panel
ADR 1/2/3 OFF Light
(White)
No ADR Output
FLT CTL Panel
ELAC 1/2
Pushed (dark)
Elevator Aileron Computer
PARAAA
- Pitch in ALL laws (NAD)
- Abnormal Attitudes
- Roll in Normal/Direct law (ND)
- Autopilot Acquisition of orders
- Aileron Droop
- Activates the protections
FLT CTL Panel
ELAC 1/2
1 - FAULT light is amber
2 - OFF light is white
1 - FAULT or Self-test during start-up
2 - Computer is Off
FLT CTL Panel
SEC 1/2/3
Pushed (dark)
Spoiler Elevator Computer
PARSS
- Pitch in Alternate/Direct law
- Abnormal Attitudes
- Roll in Normal (spoilers) / Direct law
- Speed Brakes (FLT surface 2,3,4)
- Spoilers (ground spoilers SEC 1/3) (all fFLT surfaces)
FLT CTL Panel
1 - SEC Fault Light is amber
2 - OFF light is white
1 - Fault
2 - computer is off.
FLT CTL Panel
FAC 1/2
Pushed (dark)
Flight Augmentation Computer
Generates Speed Tape Symbology
BSWFTRATTY
- Beta Target
- Speed (Flaps/Green Dot/2000ft/100ft/Warns/Alpha Floor)
- Windshear Protections
- Flight Envelope Protections
- Tail Controls
- Rudder Limiting
- Alternate Law Yaw
- Turn Coordination
- Trim
- Yaw Damping
FLT CTL Panel
FAC 1/2
1 - Fault light amber
2 - Off light white
1- Fault
2- Computer is off
EGPWS
TERR PB FAULT
EGPWS Failure
Database is lost but still get basic GPWS warnings
(Turn off airborne if airport not in database)
EGPWS
TERR PB Off
Terrain Function Inhibited
EGPWS
SYS PB FAULT
All Modes 1-5 Failed
EGPWS
G/S Mode PB OFF
Flap Mode PB OFF
G/S Mode OFF =
GPWS is disabled/inhibited
Flap Mode OFF =
“Too Low Flaps” warning disabled/inhibited
EGPWS
LDG Flap 3 PB OFF
LDG Memo changed to display Flaps 3
(Used when landing Flaps 3 instead of Full)
RCDR
GND CTL ON
Light - Blue
Cockpit Voice and Digital Flt Data Rec
are temporarily / manually ON
RCDR
GND CTL AUTO
PB Pushed
Voice and Data Recorders Operate:
- 5 Minutes after initial Power Up
- On the ground from 1st Engine start to 5 Minutes after 2nd Engine Shutdown
RCDR
CVR ERASE
PB Pushed
Erases Tape (2 Hours) when:
- Held for 2 seconds
- On the Ground
- Parking Brake On
RCDR
CVR TEST
PB Pushed
Activates Tests when:
- CVR is powered
- Parking Brake is ON
OXYGEN
MASK MAN AUTO
or MASK MAN ON PB
When Cabin ALT exceeds 14000 (when in auto) or the MASK MAN is manually pushed the masks will deploy and pre-recorded instructions on how to use mask will be broadcast.
OXYGEN
PASSENGER SYS ON Light (White)
SYS ON indicates a signal has been sent to open the OXY mask doors.
OXYGEN
With the PASSENGER SYS ON Light (White)
How can this be reset?
Light remains on until MX reset
OXYGEN
CREW SUPPLY OFF Light (White)
CREW SUPPLY (PB dark)
PB OFF illuminated = Valve CLOSED
PB DARK = Valve OPEN (supplies manifold)
With this PB in the off position or the PB dark will simply reflect whether there is O2 available to the crew.
OXYGEN
How many masks in each row?
How long will they last for?
4 per row
13 / 15 minutes
SIGNS
NO SMOKING
AUTO
ON/OFF
AUTO
No smoking and exit signs Illuminate/Extinguish
along with a chime when landing gear extended (illuminate) and retracted (extinguish)
ON/OFF (switch)
No smoking and exit signs Illuminate/Extinguish
along with a chime when the switch is placed in the on (illuminate) or off (extinguish) position.
SIGNS
EMER EXIT LT ARM
Loss of AC BUS 1 causes Illumination of -
Loss of DC ESS SHED causes illumination of -
Loss of AC BUS 1 causes Illumination of -
Overhead Lights
Loss of DC ESS SHED causes illumination of -
Overhead Lights
Path Lighting
Exit Signs
- *EMER EXIT LT**
- *ON**
Overhead EXIT signs and proximity marking system Lights illuminate
APU
Master Switch PB FAULT
Auto Shutdown - Variety of reasons
Fire will only cause auto shutdown on the ground
APU
Master Switch
PB ON Light (Blue)
- *• Fuel** Pump on
- *• Fuel Isolation** valve opens
- *• Flap** Opens
- *• ECAM** Page Appears
- *• Self** Test ECB
APU
Master Switch
PB turned OFF
Sends an OVERSPEED signal to the APU
Master Switch ON light and Start AVAIL lights extinguish although shutdown is delayed for approx 2mins assuming the APU Bleed was in use..
• Flap Closes
APU START
PB AVAIL Light (Green)
- N > 99.5%
- N > 99 % for 2 seconds
APU START
PB ON Light Blue
APU Starts
CABIN PRESS
MAN V/S CTL
UP/DN
With the MODE SEL switch in manual the the MAN V/S CTL UP/DN can be controlled manually by the pilot.
CABIN PRESS
MODE SEL PB AUTO
The 2 modes run automatically and no pilot intervention is required when managing the pressurization system.
CABIN PRESS
MODE SEL PB
FAULT
Both Auto Systems Failed
CABIN PRESS
MODE SEL PB
MAN (White)
Activates MAN V/S CTL Toggle switch
CABIN PRESS
LDG ELEV
AUTO
Landing Elevation from FMGS being used to control pressurization schedule.
CABIN PRESS
LDG ELEV
-2 through 14
Pull Out and Turn to select landing field elevation if not in FMGS database
CABIN PRESS
DITCHING PB ON
- 2 - PACK flow valves close
- Avionics in/outlet valves close
- RAM Air inlet valve closes
- Outflow Valve closes
PROBE/WINDOW HEAT
PB AUTO/ON
AUTO (light out) = Automatic heating of probes/windows inflight and on the ground if an engine is running (TAT probes excluded on the ground)
ON = Continuous heating of probes/windows.
ANTI ICE
WING PB FAULT Light (Amber)
- Low Pressure
- Either Valve Disagreement with PB
- Either Valve in Transit
ANTI ICE
WING PB ON Light (Blue)
ECAM - Wing A.ICE
- Air available then both valves will open
- Ground Ops will result in a 30-sec self-test
ANTI ICE
ENG 1/2 PB FAULT
- Valve Disagreement
- Valve in Transit
ANTI ICE
ENG 1/2 PB ON (Blue)
ECAM - ENG ANTI ICE
Respective Valve Open if Air Available
WING ANTI ICE
Which Slats are heated?
Default Valve Position?
- Which Slats are heated? - Outboard 3
- Default Valve Position? - Closed
ENG ANTI ICE
Default Valve Position?
Open
AIR COND
What is the Temp Selector range?
- Cold - 64° F
- 12 o’clock - 76° F
- Hot - 86° F
AIR COND
PACK FLOW selector LO/NORM/HI
What are the parameters?
- LO - 80% Less than 115 PAX
- NORM - 100% More than 115 PAX
- HI - 120% Select if abnormally Hot/Humid
AIR COND
PACK 1/2 PB Pushed
Opens Pack Valve UNLESS:
SADFO
- Start in Progress
- Air Press Low
- Ditch Switch Selected
- Fire PB released
- Overheat in Comp outlet
AIR COND
PACK 1/2 PB FAULT
- Overheat of compressor and/or pack outlets
- Disagreement of valve position
AIR COND
ENG 1/2 BLEED
PB Pushed
Opens Bleed Valve UNLESS:
LOOSAFA
- Leak
- Overheat
- Overpressure
- Start valve open
- APU Bleed valve open (or PB On)
- Fire PB released
- Air 8 psi or less
AIR COND
ENG 1/2 BLEED PB FAULT
LOOSA
- Leak
- Overheat
- Overpressure
- Start In Progress and Valve open
- APU Bleed On and Valve open
AIR COND
RAM AIR PB ON
- RAM AIR Inlet Opens
- Outflow Valve Opens 50% if:
*Differential PSI < 1 and not being controlled manually.
AIR COND
APU BLEED PB FAULT
Leak
AIR COND
APU BLEED PB ON Light
Opens Valve when pushed and N > 95%
No Leak
AIR COND
X BLEED Selector SHUT
Closed
AIR COND
X BLEED Selector AUTO
• Opens if APU Bleed Valve is Open
• Closes if APU Bleed Valve is Closed
and/or
Leak in Wing/APU/Pylon
AIR COND
HOT AIR PB FAULT
Overheat Detected
Closes Hot Air Valve and Trim Air Valve
AIR COND
HOT AIR PB OFF
- Hot Air Valve Closed
- Trim Air Valve Closed
ELEC
COMMERCIAL PB ON
COMMERCIAL PB OFF
- Powers the LODGE
- Lights for Cabin/Cargo
- Oval Office / Toilets
- Drain Mast Ice Protection
- Galleys
- Entertainment system IFE
OFF = All Unpowered except Coffee
ELEC
GALLEY PB AUTO
Powers:
• Galleys
• Entertainment Equipment
* One GEN only during any operations will result in main galley and entertainment equipment to be shed and can only be recovered by using an operational APU or EXT GRD power.
ELEC
GALLEY PB FAULT
Any Generator Load > 100%
ELEC
GALLEY PB OFF
Galleys and Entertainment equipment are ALL off.
ELEC
BAT 1/2 PB AUTO
When AUTO the contactors open/close auto under certain conditions.
OPEN
- On the ground with BAT volt LOW and no PWR available
CLOSE
- APU Starts
- BAT VOLT < 26.5 until 4 Amps
- AC Busses (1/2) unpowered and < 100kts and emergency generator not supplying power
ELEC
BAT 1/2 PB FAULT
Battery charger current is out of limits
ELEC
BAT 1/2 PB OFF
Battery Contactors are Open
PB Light powered by Hot Battery Bus
ELEC
IDG 1/2 PB FAULT
HOTLOP
High Oil Temp
Low Oil Pressure - *inhibited below 14% N2
ELEC
IDG 1/2 PB Pushed
- Disconnects IDG
- Can only be reconnected on ground
*CAUTION - Holding PB for more than 3 seconds or disconnecting an engine that is not running or windmilling may cause damage
ELEC
GEN 1/2 PB FAULT
GCU Trip
*Line Contactor Open (other than by PB)
ELEC
APU GEN PB FAULT
GCU Trip
Line Contactor Open - other than by PB or EXT PWR PB selected On *(inhibited at low speed)
ELEC
BUS TIE PB AUTO
Automatically closes one or both contactors to maintain power supply to AC1 and AC2 based on Aircraft priority.
- Online ENG GEN
- External Power
- APU GEN
- Offline ENG GEN
ELEC
EXT PWR PB AVAIL
Green
Plugged in and Good Power
ELEC
EXT PWR PB ON
Light Blue
EXT PWR PB is selected ON
ELEC
AC ESS FEED PB FAULT
AC ESS Bus not Powered
ELEC
AC ESS FEED PB ALTN Light (White)
AC2 Bus supplies AC ESS Bus
ELEC
AC ESS FEED PB Normal
AC1 Bus supplies AC ESS Bus
EMER ELEC PWR
EMER GEN TEST
Guarded
Used by MX to test Emerg GEN
EMER ELEC PWR
EMER GEN 1 LINE PB SMOKE
Smoke detected in Avionics Compartment
(Also triggers VENTILATION Blower and Extract FAULTS)
EMER ELEC PWR
EMER GEN 1 LINE PB OFF
• Gen 1 is disconnected from AC Bus 1
- Gen 2 powers AC Bus 1
• Powers one fuel pump in each wing tank
EMER ELEC PWR
RAT & EMER GEN
Fault Light RED
Emer GEN is not supplying Power but should
AC bus 1 & 2 are not powered
EMER ELEC PWR
RAT AUTO
With the AC Bus unpowered, the RAT automatically deploys and powers the BLUE hydraulic system and in turn, drives the EMER GEN when speed is in excess of > 100kts.
EMER ELEC PWR
RAT MAN ON
Manually selcting ON will deploy the RAT and activate the emergency generator.
FUEL
L/R TK PUMPS 1/2
PB Pushed (dark)
Pump is on and will operate when CTR TNK Pump has low pressure.
FUEL
L/R TK PUMPS 1/2 PB FAULT
Low Pressure
FUEL
CTR TK PUMP 1/2
PB Pushed (dark)
Pump Commanded on
and activates the associated center tank pump
FUEL
CTR TK PUMP 1/2
PB FAULT
Low Pressure
FUEL
MODE SEL PB AUTO
When in AUTO
CTR TNK Pumps Operate:
- 2 Mins after each engine start (reach ground idle)
- 5 Mins after CTR TNK reaches low level (550lbs)
- Slats retracted
FUEL
MODE SEL PB FAULT
Fault light illuminates when the CTR tank fuel is > 550 lbs and either wing tank is < 11000 lbs of fuel.
FUEL
X FEED PB OPEN
Green
Valve Fully Open
HYD
ENG 1/2 PUMP ON
Pump runs when ENG is running
HYD
ENG 1/2 PUMP FAULT
PUMP
• Pump LOW PRESSURE
RESERVOIR
• Fluid OVERHEAT
• LOW Fluid Level
• LOW Air Pressure
HYD
ENG 1/2 PUMP OFF
Turns Pump Off
* FAULT Light goes out except for Overheat
HYD
RAT MAN ON PB Pushed
Extends RAT and Powers Blue System • 2500 psi
HYD
BLUE ELEC PUMP
PB ON (AUTO)
Pump Operates when
- Electric Power is available
- In Flight
- On Ground with at least one engine running
HYD
BLUE ELEC PUMP
PB FAULT
PUMP
• Pump LOW PRESSURE
• Pump OVERHEAT
RESERVOIR
• Fluid OVERHEAT
• LOW Fluid Level
• LOW Air Pressure
HYD
YELLOW ELEC PUMP
ON
Pump operates when electric power available
HYD
YELLOW ELEC PUMP
PB FAULT
PUMP
• Pump LOW PRESSURE
• Pump OVERHEAT
RESERVOIR
• Fluid OVERHEAT
• LOW Fluid Level
• LOW Air Pressure
HYD
YELLOW ELEC PUMP
PB OFF
Pump is OFF except when Cargo Door operated
HYD
PTU AUTO
- Auto when Green/Yellow diff press. exceeds 500 psi
- Self Test during 2nd engine start-up
PTU IS INHIBITED
- During Cargo door operations for 40 seconds
- One ENG master switch on and TOW pin in
- One ENG master switch on and parking brake set
HYD
PTU FAULT
RESERVOIR
• Fluid OVERHEAT
• LOW Fluid Level
• LOW Air Pressure
*Note that these faults are indicated if either the Green or Yellow reservoirs are affected.
ENG FIRE
PB Released
2-1-2-1-2
2 - Silence CRC / Arms Squib
1 - Hyd Shutoff Valve Closes
2 - LP Fuel Valve closes / FADEC Deenergizes
1 - Deactivates the Generator
2 - Pack Valve and Engine Bleed Valve Close
APU FIRE
PB Released
2-0-2-1-2
2 - Silence CRC / Arms Squib
0 - Hydraulics - Nothing
2 - Low Press Fuel Valve closes / Fuel pump turns off
1 - Deactivates APU GEN
2 - APU Bleed Valve Closes / Cross Bleed Valve Closes
ENG FIRE
TEST PB
- CRC & Master Warning Light
- ECAM
- ENG FIRE PB light
- Squib Light
- DISCH Light
- Fire Light on ENG Panel
APU FIRE
TEST PB
- CRC & Master Warning Light
- ECAM
- APU Fire PB Light*
- Squib Light*
- DISCH Light*
*if DC power only
CARGO HEAT
HOT AIR PB FAULT
*Not on F9 Aircraft*
Duct Overheat
CARGO HEAT
HOT AIR PB OFF
*Not on F9 Aircraft*
Valve Closes
CARGO HEAT
HOT AIR PB AUTO
*Not on F9 Aircraft*
Valve regulates Hot Air Pressure
CARGO HEAT
AFT ISOL VALVE FAULT
*Not on F9 Aircraft*
Inlet or Outlet Valve Disagreement
CARGO HEAT
AFT ISOL VALVE AUTO
*Not on F9 Aircraft*
- Valves Open (Inlet & Outlet Isolation)
- Extraction Fan ON
*If no smoke detected
CARGO HEAT
AFT ISOL VALVE OFF
*Not on F9 Aircraft*
- Inlet & Outlet Isolation Valves CLOSE
- Trim Air Valve CLOSES
- Extraction Fan Stops
CARGO SMOKE
DISCH SWITCH Pushed
Ignites squib and discharges single bottle into corresponding compartment
CARGO SMOKE
FWD/AFT SMOKE
Light Red
Smoke Detected by
- Both Channels or
- One channel and the other has failed
CARGO SMOKE
FWD/AFT DISCH Light
Bottle Pressure Low
VENTILATION
BLOWER PB FAULT
SACO
Smoke
Air Press Low*
Computer Fault*
Overheat*
*Horn sounds on Ground
VENTILATION
BLOWER PB OVRD (White)
Goes to Closed Configuration
(Inlet and Extract Valves Close)
AC Air added
Blower Fan stops
VENTILATION
BLOWER & EXTRACT PB
Both AUTO
On the Ground:
Prior to T/O power - Open Config
After T/O power - Closed Config
VENTILATION
EXTRACT PB FAULT
SAC
Smoke
Air Pressure Low*
Computer Fault
*Horn sounds if on Ground no Engines running
VENTILATION
EXTRACT PB OVRD (White)
Goes to Closed Configuration
- Inlet and Extract Valves Close
- AC Air added
VENTILATION
BLOWER & EXTRACT PB
OVRD
Intermediate Configuration
- AC Air added
- Blower Fan Stops (SMOKE CONFIG)
**_LANDING GEAR_** UNLK Light (**Red**)
Not Locked in Selected Position
(LGCIU 1)
LANDING GEAR
ARROW (Green)
Down & Locked
(LGCIU 1)
LANDING GEAR
Isolated from Hydraulics by
Computers?
Speed?
ADR’s 1 & 3
260 kts
AUTO BRAKE
PB
LO / MED / MAX
Ground Spoiler Extension AND
LO - 4 Seconds
MED - 2 Seconds
MAX - Immediately > 40 kts
GRND Spoilers extend at 72 kts (rejected TakeOff)
**_AUTO BRAKE_** DECEL Light (**_Green_**)
Deceleration is 80% of selected rate
PARKING BRAKE
Pressure Maintained for?
12 Hours
ENGINE
MODE Selector
CRANK
Start Valve OPENS if ENG MAN START PB ON
ENGINE
MODE Selector
NORM
IGN Energizes when:
- EIU Fails
- Flameout Detected
IGN
START
- Pack Valve Closes
- IGN Armed
- Continuous IGN when ENG 1/2 Switch ON & N2 above Idle
- ECAM page displayed
ENG
1/2 Switch ON
With the ENG(s) switch turned to ON:
- Open LP Fuel Valve and Start Valve
- APU air Increases
- Energizes IGN when N2 +16% (immediate in flight)
ENG
1/2 FAULT Light
- Automatic Start ABORT
- HP Fuel Valve Disagreement
During Start, When Does HP Fuel Valve OPEN?
- N2 > 22% On Ground
- N2 > 15% In-Flight
During Start, What Occurs @ 50% N2
- VALVES - Start closes and Pack open after 30 secs
- IGN De-energized
- APU Speed back to normal
Wingtip Brake Activation
Runaway
Overspeed (to quick of movement)
Asymmetrical Movement/Position
Movement Uncommanded
R-O-A-M
Flaps Auto-Retract when?
1 + F Selected
Speed Exceeds 210 kts
4 Modes of Braking:
- Normal
- Alternate w/ Anti-Skid
- Alternate w/o Anti-Skid
- Parking Brake
NORMAL BRAKING
Which HYD System?
Anti-Skid?
Auto-Brakes?
Cockpit Pressure Indication?
- Green System
- YES - Anit-Skid
- YES - Auto-Brakes
- NO - Indication
ALT BRAKING w/ ANTI-SKID
Which HYD System?
Auto-Brakes?
Cockpit Pressure Indication?
- Yellow System
- NO- Auto-Brakes
- YES - Indication
ALT BRAKING w/o ANTI-SKID
Which HYD System?
Auto-Brakes?
Cockpit Pressure Indication?
How Many Full Brake Applications?
- Yellow (Accumulator Only)
- NO- Auto-Brakes
- YES - Indication
- 7 Applications
PARKING BRAKE
Which HYD System?
How Long is Pressure Maintained?
Cockpit Indication?
- Yellow or Accumulator
- 12 Hours
- YES - Triple Indicator
BRAKE TEMP
Hottest Wheel
Green Arc
Amber Arc
- > 100º C
- > 300º C
ANTI-ICE
HOT AIR heats?
- 3 outboard Slats
- Engine Nacelles
ANTI-ICE
ELEC Heats?
- Cockpit Windows
- Sensors, Probes & Static Ports
- Waste Water Drain Mast
WING ANTI-ICE (when Selected)
- N1 Limit
- Idle N1
- Leak Causes?
- N1 Limit Reduced
- Idle N1 Increases
- Leak Causes Valve to CLOSE
ENG ANTI-ICE
- Supplied by?
- What Happens When No Air?
- N1 Limit?
- HP Air
- Valve CLOSES
- N1 Limit Reduced
N1 Increases to Maintain Pressure
PNEUMATIC
System Supplies
- Water Pressurization
- Engine Start
- Hydraulic RES Pressurization
- Air Conditioning
- Wing Anti Ice
ENG BLEED
System Components?
- Pre-Cooler
- Extractions - High HP and Intermediate IP
- Valves - Crossbleed / Bleed Shutoff / HP Shutoff
BLEED LEAK
Detection can be found where?
- Fuselage - APU Air (1 Loop)
- Engine Pylons (1 Loop)
- Wings (2 Loops)
BLEED PRIORITY
APU Bleed over ENG Bleed
AVIONICS VENTILATION
Cools?
- Avionics Compartment
- Flight Deck Instruments
- CB Panels
