CH12 A320 Landing Gear Flashcards
LGEAR_00 2
What is the meaning of the triangle indications on the ECAM WHEEL page?
▪ Indicates the _______ and _______ of the landing gear as independently detected by each _______.
▪ The forward set represents the _______ of the gear as detected by the _______ LGCIU.
▪ The rear set represents the _______ of the gear as detected by the _______ LGCIU.
LGCIU: _______ _______ _______ _______ _______
LGEAR_00 2
What is the meaning of the triangle indications on the ECAM WHEEL page?
▪ Indicates the position and condition of the landing gear as independently detected by each LGCIU.
▪ The forward set represents the status of the gear as detected by the active LGCIU.
▪ The rear set represents the status of the gear as detected by the standby LGCIU.
LGCIU: Landing Gear Control Interface Unit
LGEAR_00 3
What 3 indications aid a pilot in determining the landing gear is detected down and locked?
- Forward set of triangles on the ECAM _____ page appear in _____
- Three green triangles appear on the _____ _____ _____ panel.
- ___ _____ ___ appears on the E/WD memo section.
LGEAR_00 3
What 3 indications aid a pilot in determining the landing gear is detected down and locked?
- Forward set of triangles on the ECAM WHEEL page appear in green.
- Three green triangles appear on the landing gear indicator panel.
- LDG GEAR DN appears on the E/WD memo section.
LGEAR_00 4
What is the meaning of a red UNLK lights on the LDG GEAR panel?
Indicates that a specific gear is not being ______ as being ______ in the ______ position.
LGEAR_00 4
What is the meaning of a red UNLK lights on the LDG GEAR panel?
Indicates that a specific gear is not being detected as being locked in the selected position.
LGEAR_006
What is indicated by the illumination of the red arrow on the Landing Gear Selector Lever panel?
▪ The aircraft is in the _______ configuration. (Below __ ft AGL)
and
▪ The landing gear is ____ _______ and _______.
LGEAR_006
What is indicated by the illumination of the red arrow on the Landing Gear Selector Lever panel?
▪ The aircraft is in the landing configuration. (Below 750 ft AGL) and
▪ The landing gear is not down and locked.
LGEAR_008
Recall the operation of GRAVITY GEAR EXTN hand crank.
▪ _____ into position, breaking the _____ _____ wire.
▪ Rotate _____ _____ turns to the _____ stop.
LGEAR_008
Recall the operation of GRAVITY GEAR EXTN hand crank.
▪ Lift into position, breaking the securing safety wire.
▪ Rotate clockwise three (3) turns to the mechanical stop.
LGEAR_009
How is the Brake and Steering Control Unit (BSCU) is activated?
The BSCU is activated by placing the ______ & __/___ ____ switch to the ON position.
LGEAR_009
How is the Brake and Steering Control Unit (BSCU) is activated?
The BSCU is activated by placing the A/SKID & N/W STRG switch to the ON position.
LGEAR_010
What is indicated by the NW STRG DISC display on the E/WD memo section?
▪ Nose wheel steering from the flight deck is _______ because the ___ _______ _______ on the nose gear strut has been placed in the ____ position and:
- NW STRG DISC - Appears in _______ when both engines are shutdown.
- NW STRG DISC - Appears in _______ when at least one engine is running.
NOTE: NW STRG DISC is not displayed when the __/___ & __/___ _____ switch is placed to OFF.
LGEAR_010
What is indicated by the NW STRG DISC display on the E/WD memo section?
▪ Nose wheel steering from the flight deck is inhibited because the tow control lever on the nose gear strut has been placed in the TOW position and:
- NW STRG DISC - Appears in green when both engines are shutdown.
- NW STRG DISC - Appears in amber when at least one engine is running.
NOTE: NW STRG DISC is not displayed when the A/SKID & N/W STRG switch is placed to OFF.
LGEAR_011
Recall the controls for Nose Wheel Steering:
▪ ______ wheels on the CA’s and FO’s side consoles
▪ ______ ______
▪ ______ during ______ landings
LGEAR_011
Recall the controls for Nose Wheel Steering:
▪ Tiller wheels on the CA’s and FO’s side consoles
▪ Rudder pedals
▪ Autopilot during auto landings
LGEAR_012
Recall the possible Anti-Skid braking configurations:
▪ Normal brakes with _______ (_______ hydraulic pressure).
▪ Alternate brakes with _______ (_______ hydraulic pressure).
NOTE: In the event of total BSCU failure or failure of both Green and Yellow hydraulic systems, _______ brakes without _______ is available, powered by _______ system _______
LGEAR_012
Recall the possible Anti-Skid braking configurations:
▪ Normal brakes with antiskid (Green hydraulic pressure).
▪ Alternate brakes with antiskid (Yellow hydraulic pressure).
NOTE: In the event of total BSCU failure or failure of both Green and Yellow hydraulic systems, Alternate brakes without antiskid is available, powered by Yellow system accumulator.
LGEAR_013
Recall what is indicated on ACCU-PRESS and BRAKES gauge:
- ACCU-PRESS - Displays _______ system brake _______ pressure.
- The Green Ban represents a ____ charged.
- BRAKES - Each gauge independently displays _______ system pressure being applied to the respective wheel brake.
- Green Arcs - Represent the _____ application pressure range when brakes are being _______ applied without ____-____ protection.
NOTE: Indications are not associated with the ______ Braking or _______ hydraulic system.
- ACCU-PRESS - Displays Yellow system brake accumulator pressure.
- The Green Ban represents a full charged.
- BRAKES - Each gauge independently displays Yellow system pressure being applied to the respective wheel brake.
- Green Arcs - Represent the safe application pressure range when brakes are being manually applied without anti-skid protection.
NOTE: Indications are not associated with the Normal Braking or Green hydraulic system.
ESV LGEAR 013
Ready to taxi, release brakes, The BRAKES pressure falls to zero, why?
ESV LGEAR 013
Ready to taxi, release brakes, The BRAKES pressure falls to zero, why?
This is normal because BRAKES pressure is an indication of alternate (YELLOW) brake pressure only.
LGEAR_014
Recall the location and meaning of brake temperature indications:
o Appears on the ECAM ______ page
o Green arc appears over the wheel with______ brake temperature over ___o C.
o Arc turns amber if a brake temperature exceeds ___o C.
LGEAR_014
Recall the location and meaning of brake temperature indications:
o Appears on the ECAM WHEEL page
o Green arc appears over the wheel with hottest brake temperature over 100o C.
o Arc turns amber if a brake temperature exceeds 300o C.
LGEAR_015
Recall the meaning of the Release indicators on the ECAM WHEEL page.
o _______ _______ lines appear:
▪ Temporarily when the landing gear is lowered to indicate that the individual wheel brake is_______ and _______ is armed.
▪ Reappear after touchdown along with the ____ (BLUE) display when ______-_____ is active.
LGEAR_015
Recall the meaning of the Release indicators on the ECAM WHEEL page.
o _______ _______ lines appear:
o Horizontal green lines appear:
▪ Temporarily when the landing gear is lowered to indicate that the individual wheel brake is released and antiskid is armed.
▪ Reappear after touchdown along with the REL (BLUE) display when anti-skid is active.
ESV LGEAR LMS 15
On the ground, the appearance of horizontial green bars below the brake temperatures on the WHEEL page indicates:
ESV LGEAR LMS 15
On the ground, the appearance of horizontial green bars below the brake temperatures on the WHEEL page indicates:
The anti-skid is actively functioning
LGEAR_016
What is the minimum ground speed required for Autobrake activation?
LGEAR_016
What is the minimum ground speed required for Autobrake activation?
▪ Minimum ground speed of 72 kts is required.
LGEAR_017
What happens during landing with the Autobrake pb selection of LO?
▪ LO – Commands _________ brake pressure application __ seconds after _________ _________ _________ signal has been generated.
LGEAR_017
What happens during landing with the Autobrake pb selection of LO?
▪ LO – Commands progressive brake pressure application 4 seconds after ground spoiler deployment signal has been generated.
LGEAR_017
What happens during landing with the Autobrake pb selection of MED?
▪ MED – Commands ________ brake pressure application __ seconds after ________ ________ ________ signal has been generated.
LGEAR_017
What happens during landing with the Autobrake pb selection of MED?
▪ MED – Commands progressive brake pressure application 2 seconds after ground spoiler deployment signal has been generated.
LGEAR_017
What is the function of the MAX Autobrake pb selection and when is it used?
▪ MAX – Commands _________ brake pressure to be _________ applied when ________ ________ ________ signal is generated.
When is it used?
NOTE: MAX selection is only authorized for _________.
LGEAR_017
What is the function of the MAX Autobrake pb selection and when is it used?
▪ MAX – Commands progressive brake pressure to be immediately applied when ground spoiler deployment signal is generated.
When is it used?
NOTE: MAX selection is only authorized for takeoff.
LGEAR_018
Recall the meaning of the DECEL (green) indication on an AUTO BRK pb.
▪ Indicates the aircraft’s actual ______ _____ is ______ of selected rate.
LGEAR_018
Recall the meaning of the DECEL (green) indication on an AUTO BRK pb.
▪ Indicates the aircraft’s actual deceleration rate is 80% of selected rate.
LGEAR_019
Recall the indications of the Parking Brake being applied:
▪ ______ ___ appears in the E/WD memo section.
▪ The ACCU-PRESS/BRAKES gauge displays approximately ______ lbs psi application pressure on each ______ gauge.
NOTE: The source of the application pressure can only be from either the active ______ system or the ______ system’s ______ ______.
LGEAR_019
Recall the indications of the Parking Brake being applied:
▪ PARK BRK appears in the E/WD memo section.
▪ The ACCU-PRESS/BRAKES gauge displays approximately 2,000 lbs psi application pressure on each BRAKES gauge.
NOTE: The source of the application pressure can only be from either the active Yellow system or the Yellow system’s accumulator bottle.
EXTRA LMS LGEAR 01
The two Landing Gear Control Interface Units (LGCIU 1 and LGCIU 2) Swap roles as controlling and back up of gear extension and retraction each time the landing gear is:
EXTRA LMS LGEAR 01
The two Landing Gear Control Interface Units (LGCIU 1 and LGCIU 2):
Swap roles as controlling and back up of gear extension and retraction each time the landing gear is raised.
EXTRA LMS LGEAR 02
What is occurring if only one of the six triangles presented on the WHEEL page is red and the other five triangles are green?
EXTRA LMS LGEAR 02
What is occurring if only one of the six triangles presented on the WHEEL page is red and the other five triangles are green?
One LGCIU senses the gear in transit or not down and locked.
EXTRA LGEAR LMS 3
The maximum speed for gear extension is _____
and for gear retraction is ___________
EXTRA LMS 3
The maximum speed for gear extension is 250
and for gear retraction is 220
EXTRA LMS LGEAR 04
Input to nose wheel steering from the hand wheels, rudder pedals, and autopilot is:
EXTRA LMS LGEAR 04
Input to nose wheel steering from the hand wheels, rudder pedals, and autopilot is:
Electrical through the Brake Steering Control Unit (BSCU).
EXTRA
Which hydraulic system provides pressure for normal Anti-Skid braking?
▪ ______ ______ with antiskid (______ hydraulic pressure).
Which hydraulic system provides pressure for normal Anti-Skid braking?
▪ Normal brakes with antiskid (Green hydraulic pressure).
EXTRA
Which hydraulic system provides pressure for alternate Anti-Skid braking?
❇️Alternate brakes with antiskid (________ hydraulic pressure).
EXTRA
Which hydraulic system provides pressure for alternate Anti-Skid braking?
❇️Alternate brakes with antiskid (Yellow hydraulic pressure).
EXTRA
In the event of total BSCU failure or failure of both Green and Yellow hydraulic systems,
Alternate brakes without antiskid is available, powered by what hydraulic means?
❇️_______ system _________
EXTRA
In the event of total BSCU failure or failure of both Green and Yellow hydraulic systems,
Alternate brakes without antiskid is available, powered by what hydraulic means?
❇️Yellow system accumulator
EXTRA SYS REVIEW GEAR 05
- Placing the A/SKID & NW STRG switch to ON provides:
EXTRA SYS REVIEW GEAR 05
- Placing the A/SKID & NW STRG switch to ON provides:
- Nose wheel steering
- Normal Brakes
- Anti-Skid (Normal and Alternate Brakes)
- Autobrakes (Normal Brakes only)
