Limitations - A320CEO Flashcards
Aircraft ‘G’ limits for clean and dirty
~~~
clean = -1g to +2.5g
other = 0g to 2g
(Same for all types)
Environmental Envelope
Max altitude
Max height for T/O & LDG
Min height for T/O & LDG
39,800’
9,200’
-1,000’
(Same for all types) except VWT
Max runway slope
+/- 2%
(Same for all types)
Minimum runway width
30m
(Same for all types)
max demonstrated xwind for T/O and LDG
38kt (incl gust)
Max tailwind for T/O and LDG
T/O 10kt
LDG 15kt (LDG above 10kt flap full only - some “recommended”
(some aircraft differ) this is most conservative
wind limits on door operations
pax door 65kt
cargo dr 40kt(50kt if nose into wind or leeward side)
cargo doors must be closed before 65kts
(Same for all types)
cockpit window open max speed
200kt
(Same for all types)
max flap/slat speeds
0 = M.082/350kt 1 = 230kt 1+F = 215kt 2 = 200kt 3 = 185kt Full = 177kt
pressure altitude change over from VMO to MMO
24600’
(Same for all types)
max LDG gear speeds
VLE = 280kt/M.067
VLO ex = 250kt/M0.60
VLO re = 220kt/M.054
(Same for all types)
Max tire speed
195kt
(Same for all types)
minimum control speed landing (VMCL)
109kt
speed limit for taxi weight and speed
max 20kt in turns above 76T
max wiper speed
230kt
(Same for all types)
Weight limits A320 CEO
Max taxi Weight = 77.4T MTOW = 77.0T MLW = 66.0T MZFW = 62.5T minimum weight = 37,230kg
APU bleed air with HP air start unit
DO NOT use APU bleed air and HP air start unit at same time to avoid bleed system damage
(Same for all types)
Cabin pressure limits
max positive dif = 9.0PSI
max negative dif = -1.0PSI
safety relief valve setting = 8.6PSI
(Same for all types)
Max normal cabin alt
8,000’
(Same for all types)
cabin alt warning
9,550’ (+/- 350’)
(Same for all types)
max and min cabin alt selection
14,000’
(Same for all types)
-2,000’
what cabin alt does the outflow valve close
15,000’
Packs use with LP air con unit
DO NOT use air from packs and LP air con unit at same time to prevent damage to A/C system
Minimum height for AP ; T/O, FINAL APP, Circling, Cat1, Cat2/3, PAR, manual GA & all other phases
T/O = 100' AGL AND at least 5s after lift-off Final app = 250'AGL Circling = 500'AGL Cat1, = 160'AGL Cat2/3 = 0'AGL if Autoland PAR = 250'AGL GA = 100'AGL normal ops = 500'AGL
Cat 2 limits (DH, AP disco man LD)
100’AGL
80’AGL
Cat 3 fail passive (single) min DH
50’AGL
ATHR must be used in selected of managed speed
Cat 3 fail operational (dual) alert heigh, min DH and min RVR without DH
alert height = 100’
DH = 25’ (some A/C 22’)
NO DH = 75m RVR
Cat2/3 engine out
autoland only in flap full, engine out procedures complete by 1,000’ in approach
autoland wind limits
HD = 30kt TL = 10kt XW = 20kt (sharklet 15kts for auto rollout)
autoland environ limits (not wind)
G/S angle between 2.5deg to 3.15deg
airport elev at or below 6,500’ above -1,000’
at or below MLW
APU start limits
after 3 start attempts 60 in cooling required
(Same for all types)
APU max N speed
107%
(Same for all types)
APU EGT limits
start below 35000’ = 1,090 deg C
start above 35000’ = 1,120 deg C
normal running = 675 deg C
(Same for all types)
APU start/SUD restrictions during fueling
DO NOT start APU if failed to start or after an auto SD
if fuel spills, perform normal APU SD
(Same for all types)
Max APU Alt APU battery restart supply both bleed (a/c pressurization & elec power) Dual pack operation ground ops
41,000' 25,000' 22,500 15,000' 14,500' (Same for all types)
Engine EGT
start = 635 deg C MCT = 610 deg C TO/GA = 635 deg C (incl FLX) - 10 min 1 eng - 5 min 2 eng
Maximum engine shaft speeds
N1 + N2 100%
(Same for A321 CEO)
Engine oil temperature limits;
Max temp
Min starting temp
Min exceed idle & TO temp
MT = 155 deg C, transient 165 deg C for 15 mins MS = -40 deg C MTO = 50 deg C, exceed idle -10 deg C (Same for A321 CEO)
Minimum enging oil quantity
11 qt + (0.3qt/hr)
(Same for A321 CEO)
Min eng oil pressure
60 PSI
(Same for A321 CEO)
Engine starter limitations
- 3 start attempts with 15s rest in between
- 30 minute cooling for 3 attempts or 5 min continuous crank.
- manual start max 2 minute cycle
- For crank - max 5 minutes
- Do not run when N2 is above 10% gnd & 18% in flt.
(Same for A321 CEO)
Revers thrust limits
- Not to use in flight
- Not to use for backing up A/C
max reverse to 70KT (idle ok to A/C stop.)
(Same for all types)
FLEX limitations
TFLEX cannot be:
- Higher than TMAXFLEX, equal to ISA +55 deg C
- Lower than the flat temp (TREF)
- Lower than actual OAT
Max xwind for eng start
35kt
(Same for A321 CEO)
Max flap/slat altitude
20,000’
(Same for all types)
JET A1 max & min temps
+54 deg C
-43 deg C
(Same for A321 CEO)
Max fuel imbalance at TO for the inner tanks, heaviset full and outer tanks balanced
500kg
Max fuel imbalance at TO for the outer tanks, heaviest full and inner tanks balanced
370kg
Max fuel imbalance in flt or ldg for the inner tanks, heaviest full and outer tanks balanced
1500kg
Max fuel imbalance in flt or ldg for the outer tanks, heaviest full and inner tanks balanced
690kg
minimum fuel quantity for TO
1,500kg and the ECAM alert FUEL WING TK LO LVL must not appear
(Same for all types)
Definition on icing conditions
OAT on gnd or TAT in flt is at or below 10 deg C and visible moisture in any form OR fog with vis at or less than 1 sm (1600m)
also exists on gnd with OAT at or below 10 deg C when taxi area or runway has surface moisture that may be ingested by the engines.
(Same for all types)
define severe ice accretion
ice accumulation on airframe approx 5mm or more
(Same for all types)
Max break temp for TO
300 deg C - fans off
150 deg C - fans on
Max NWS angle limit
+/- 85deg
(Same for all types)
taxi with deflated or damaged tires
1 tire per gear max 7kt in turn
2 tires on the same gear max speed 3 kt
max NWS angle 30deg
(Same for all types)
min flight crew oxy pressure
2 crew + 2 obs at 50deg = 933PSI
1339PSI for VQ series
2 crew + 0 obs at 50deg = 576PSI 806
Minimum flight crew oxy bottle pressure covers?
- Preflight check
- the use of when only 1 CM in FD
- unusable quantity to ensure regulator operation
- Normal system leakage
- most demanding case
Most demanding oxy bottle pressure cases
Protection after loss of cabin pressure, with mask regulator on normal.
- During EMER dcnt for all flight crew members 13mins
- during cruise at FL100 for 2 flight crew members only for 107 min
Protection against smoke with 100%oxygen for all flight crew members and observers for 15 min at 8000’ cab alt.
VMO
MMO
VMO 350kt
MMO M.82
(Same for all types)
Rain Repellent
Should only be used in moderate rain
(Same for all types)
