A320 Limitations Flashcards
Maximum number of passenger seats
- A320: 180
* A321: 220
Load Acceleration limits
- Clean configuration: -1 to +2.5 g
* Slats/Flaps extended: 0 to +2 g
Reference for computation of CG on A320/A321
• CG is given in percentage of the reference chord length aft of the leading edge • Reference chord length is 4.193 m • Reference position is: 16.31 m aft of aircraft nose A320 20.58m aft of aircraft nose A321
Minimum weight to operate the aircraft
- A320: 37 230 kg
* A321: 47 500 kg
Maximum weight for B-HSO
Taxi………………………75 900 kg
Take-off………………..75 500 kg
Landing………………..64 500 kg
Zero fuel weight…….61 000 kg
Maximum weight for B-HTD
Taxi………………………….89 400 kg
Take-off……………………89 000 kg
Landing ……………………75 500 kg
Zero fuel weight…………71 500 kg
Maximum Runway slope and altitude
- Mean Slope: +/- 2%
* Runway Altitude: 9200 ft
Aircraft Ceiling
Honeywell FMS: 39 800 ft
Legacy FM: 39100 ft
Maximum Crosswind for Take-off
38 kt, gust included
Maximum Crosswind for Landing
38 kt, gust included
Maximum Tailwind for Take off and Manual Landing
- 15 kt
* Flaps Full recommended for landing with Tailwind > 10 kts
Maximum Wind for passenger door operation
65 kt
Maximum Wind for cargo door operation
- 40 kt increased to 50 kt if aircraft nose is oriented into the wind or cargo door is on leeward side
- Cargo door must be closed before wind exceeds 65 kt
Takeoff is not recommended on the following runway conditions
- Wet ice
- Snow on top of Ice
- Water on top of Compacted Snow
VMO/MMO
350 KT / M 0.82
Maximum Design Manoeuvering Speed VA A320
(only relevant in Alternate or Direct Law)
- 250 kt below 10 000ft
- Increase from 250 kt at 10 000ft to 295 kt at 30 000ft
- M 0.78 above 30 000ft
In Alternate/Direct law, manoeuvres involving angle of attack near stall should be confined to speeds below VA
Maximum Design Manoeuvering Speed VA A321
only relevant in Alternate or Direct Law
- 260 kt below 10 000ft
- Increase from 260 kt at 10 000ft to 295 kt at 30 000ft
- M 0.78 above 30 000ft
In Alternate/Direct law, manoeuvres involving angle of attack near stall should be confined to speeds below VA
Maximum Flaps/Slats Speeds A320
CONF 1: 230 kt CONF 1+F: 215 kt CONF 2: 200 kt CONF 3: 185 kt CONF Full: 177 kt
Maximum Flaps/Slats Speeds A321
CONF 1: 230 kt CONF 1+F: 215 kt / 225kt HTJ and HTK CONF 2: 215 kt CONF 3: 195 kt CONF Full: 190 kt
Landing Gear, Speed Limitation
- VLO Extension: 250 kt / M 0.60
- VLO Retraction: 220 kt / M 0.54
- VLE: 280 kt/ M 0.67
Gear Altitude Limitation A320 / A321
No limitation
Maximum Tire Speed
Ground Speed 195 kt
Maximum Speed for Winshield wiper
230 kt
Maximum Speed with Cockpit Window open
200 kt
Maximum Taxi Speed for A320/321
Weight above 76 000 kg:
Max Taxi Speed 20 kt during a turn
(A320 Max Ramp 75 900 kg)
Maximum pressure for the Ram Air Inlet to open
1 PSI
Pressure limitation of a Ground Cart for External Air start
1.2 kg/s
Maximum Negative/Positive Differential pressure
-1 PSI / 9 PSI
Safety relief valve setting
-1 PSI/ 8.6 PSI
Maximum Normal Cabin altitude
8000 ft
Maximum Cabin altitude Warning
9550 ft (+/-350ft)
Maximum OAT for unlimited use of avionics ventilation system in normal configuration
49 °C
Minimum height for autopilot on takeoff
- 100 ft AGL
* FMGS logic prevents autopilot engagement for the first 5s after liftoff
Minimum height for autopilot on approach
- Straight-in non precision: MDA
- Straight-in LNAV/VNAV: DA
- Circling: MDA - 100 ft
- ILS CAT2/3 not displayed: 160 ft AGL
- All other phases: 500 ft AGL
Minimum height for autopilot on Go-around
100 ft AGL
FMGS RNP accuracy with GPS Primary
• NAV mode, AP ON :
En route 1 NM / Terminal area 0.5 NM / Approach 0.3 NM
• NAV mode, AP OFF and FD ON :
En route 1 NM / Terminal area 0.51 NM / Approach 0.3 NM
• AP OFF and FD OFF:
En route 1,1 NM / Terminal area 0.51 NM / Approach Not authorized
Requirements before using NAV mode after take-off
GPS PRIMARY
or
FMGS take-off updating checked
FMGS RNP accuracy with GPS PRIMARY LOST
RNAV operations allowed provided
- RNP value checked/entered in MCDU
- HIGH ACCURACY displayed
Take-off from airports where the difference between the local coordinate system and WGS 84 is not negligible
- Airborne, incorrect NAV guidance may occur
* GPS must be deselected until a safe altitude is reached