Limitations Flashcards
APU restrictions during refuelling
If a fuel spill occurs, perform a normal APU shutdown.
If the APU failed to start or following an automatic APU shutdown, do not start the APU.
Max altitude APU for air con and px (dual pack)
15,000ft
Max alt APU for air con and px (single pack)
Most conservative APU in fleet 20,000ft
Max altitude for start assist of APU
20,000ft
APU starting cycle
After 3 consecutive starts, 60 minute wait
AP engaged after GA at
100ft AGL
AP engaged all other phases at
500ft AGL or 900ft AGL (A321)
AP engaged at takeoff after
100ft AGL or 5secs after liftoff
AP engaged until when on ILS Cat I
160ft
AP engaged until when on NPA using FINAL APP
250ft
TO and GA Thrust time limit single engine
10mins
Max reverse not used below
70kts
Engine starting crosswind max
35kts
Engine starting cycle
15mins cooling after 3 failed starting cycles or 5mins of continuous crank (CEO). 15 and 15 (NEO).
Min time between successive starting cycles during engine ground start
15secs (CEO), 35secs (NEO).
Starter limitations ie: no starter run above…
Max N2 10% on ground, 18% airborne (CEO). 20% at all times (NEO).
Max altitude with flaps/slats extended
20,000ft
Inner tanks max asymmetry (CEO)
500kg (outer tanks balanced with one full)
Outer tanks max asymmetry (CEO)
370kg (inner tanks balanced)
Inner tanks max asymmetry (NEO)
400kg (heavier tank full)
Severe ice accretion is
5mm on airframe
Max G loading
-1 to +2.5 g clean, 0 to 2 g dirty