Limitations Flashcards
What are the weight limits for
MRW
MTOW
MLW
MZFW
MFW
MRW 68,039 KG
MTOW 67,585 KG
MLW 57,833 KG
MZFW 55,111 KG
MFW 36,287 KG. (Min flight weight)
At FL 410 what is the Max POs diff?
And Neg diff?
POS DIF 8.8
NEG DIF -0.5
What are the Vfe speeds?
FL 1 230
FL2/3 210
FL3 210
FL4 190
FL5 170
What is turbulence penetration speed?
<10,000 - 265 Kts
> 10,000 - 280 Kts or M.75 whichever is lower
What is the limitation for wiper use?
250 Kts
What is the speed limit for the tire?
195 Kts GS
What is the max weight for each Fuel tanks?
Left - 3050 KG
Right- 3050 KG
Center- 11,300 KG
Total - 17,400 KG
What is the max fuel imbalance?
454 KG
(New)
What is the minimum G/A fuel?
442 KG per wing
(10 deg nose up)
What is the limitation for APU on the ground?
No unattended APU when wing tanks above 2830 KG
(To prevent a fuel spill from the right-side fuel vent which
might occur before the system detects the difference in quantity required to
initiate the automatic fuel imbalance correction)
What conditions does cowl or wing Anti ice have to be on for take off? (4)
Cowl 10*
Wing 5*
Vis moisture or cloud below 1500 agl
Or
Taxi ways contaminated
What is the APU min start temperature limit?
Min Temp is -40*C
What is the limitation on APU starts per hr?
What is the delay between?
Max 3 starts per hour
2 min delay between starts
What is the max altitude for APU bleed air?
FL 230 max altitude for APU bleed air
(For Eng start as well)
What is the Maximum Landing Gear Operating Speed (VLO)
Ldg Gear extension
Ldg Gear retraction
Maximum Landing Gear Operating Speed (VLO)The maximum speed for landing gear extension is 250 KIAS.
The maximum speed for landing gear retraction is 220 KIAS.
What is the Maximum airport pressure altitude for takeoff and landing?
What is the Maximum ambient temperature approved for takeoff and landing is?
Minimum ambient temperature approved for take-off and landing is?
Maximum airport pressure altitude for takeoff and landing is 10,000ft
Maximum ambient temperature approved for takeoff and landing is 52.5°C.
Minimum ambient temperature approved for take-off and landing is -54°C.
What is the Maximum operating altitude?
Maximum operating altitude is 41000 feet.
What are the Maneuvering Limit Load Factors
The maneuvering limit load factors are:
• Flaps up: 2.5 g to -1.0
• Flaps down: 2.0 g to 0.0 g
What is the cold weather operations limit?
Operation of the airplane is prohibited if the airplane, with the engines shut down,has been exposed to a ground ambient temperature below -30°C for a period exceeding two hours in the preceding 12 hours.
Or procedure A
Which is ensuring aircraft is electrically powered during the turn around time
and the cabin temperature is maintained to minimize the risk of freezing conditions in
the water system
What is the limit on temperature for ground fog?
Engine operation is prohibited in ground fog conditions with OAT below -18°C.
What is the restriction for tailwinds landings?
What is the limitation on that?
How does that effect the max pressure altitude
Must use flap 5 above 10 knot tailwinds.
If using Flap 5 max tailwind is 15 knots.
Max press alt is 6000 ft if tailwind > 10 knots
When is Engine ice shedding performed?
How is it performed and is there variations?
Engine ice shedding must be performed when the OAT is 3°C or below and visible moisture in any form is present (such as fog with visibility of one mile or less, rain, snow, sleet and ice crystals).
Engine run-ups must be, momentarily,to a minimum of 60% N1 at intervals no greater than 30 minutes.
What is the maximum number of cabin occupants?
The maximum number of cabin occupants is 150, 145 passengers and 5 flight attendants
What is the minimum height for engagement of autopilot for Descent?
On T/O when is the earliest you can engage AP?
The minimum height for use of autopilot in descent is 80 feet AGL.
The minimum height for engagement of autopilot on T/O is 400 feet AGL.
What is the max Permissible Loads On AC Systems
Maximum AC generator load must not exceed 75 kVA continuous.
What is the Permissible Loads On DC Systems?
The maximum permissible continuous load on TRU 1 and 2 is 350 amp.
The maximum permissible continuous load on TRU 3 is 225 amp.
What is the Slats / Flaps
Maximum altitude ?
Maximum altitude with slats/flaps extended is 20000 feet.
What is the limitation on Flight Spoilers?
(2)
Minimum height with flight spoilers manually extended is 500 ft AGL.
Minimum speed with flight spoilers manually extended is VREF + 10 KIAS.
(Use of MAX spoilers is prohibited except in an emergency.)
(Configure gate states spoilers Ret by 1000 ft)
What is the air starter assist envelope for APU and Eng?
Airspeed?
APU 23,000
Eng 27,000 ( bleed air extraction)
Airspeed 250
What is the min and max runway slope?
+/- 2*
(Only two airports in our system have 2 deg slope)
What is the max/min bulk fuel temperatures?
Max 52.5*
Min -37*
What is the max temp limit for wing anti ice on the ground?
When is wing and cowl anti ice turned on?
Max temp +15 for Wing
Wing anti ice must be on when when OAT is 5*C
Cowl anti-ice system must be ON when the OAT is 10*C or below
and visible moisture in any form is present (such as fog with visibility of one mile or less, rain, snow, sleet and ice crystals).
The cowl anti-ice system must be ON when the OAT is 10°C (5 wing) or below when operating on runways, ramps, or taxiways where surface snow, ice, standing water, or slush is present.
What is the brake cooling limit for T/O?
Max temp for gear retraction?
The maximum allowable brake temperature for take-off is 06 units.
(Maximum brake temperature (BTMS) for gear retraction is 13 units)
(0-20 scale - red 15+)
What is the Lat/Long limitation for FMS navigation?
FMS navigation at latitudes north of 73°N and south of 60°S is prohibited.
What is the Min oil temp limit for eng start?
And to add power?
Limit is -40*C Oil temp for eng start
Not above idle unless oil temp is >-6
> 21 to go to 30% N1
What must happen when airplane is cold soaked -20 for 8 hrs?
When the airplane is cold-soaked at an ambient temperature of -20°C or below for more than 8 hours, the thrust reversers must be cycled a minimum of 2 times before takeoff on a contaminated runway.
What is the limitation on eng starter?
Starts
Cranking
N2
After 3 start attempts per hour, or
4 minutes continuous cranking, a 30-minute cooling period is required.
Do not engage the starter on ground if indicated N2 rpm exceeds 20%.
What is the single eng cruise speed and max diversion time/distances?
Single engine inoperative cruise speed is 310 KIAS.
MAXIMUM DIVERSION TIME MAXIMUM DIVERSION DISTANCE
60 minutes 390 nm
75 minutes 481 nm*
(*Over-water flight is limited to 400 nm diversion distance when life rafts are not carried.)
What is the speed additive for AT on in gusts?
Additional speed adders for gust are to be added on top of the 5 kt for AT. These are recommended values and should be added as appropriate for the conditions. The recommendation is to add ½ of the gust plus the AT additive up to a recommended maximum of 10 kt.
(when entering in ACARS Ldg WAT must add the 5 Kts for AT plus the 1/2 gust to a max of 10kts)
When is the PWS (Predictive weather radar) windshear system inhibited, and active until?
T/O
App
This system is inhibited on take-off between 80 knots until 50 ft Radio Altitude (RA), and remains active until 2400 ft RA.
On approach it becomes active below 2300 ft RA and remains active until 50 feet AG
What modes are active on T/O and Ldg when windshear warning happens?
The modes that the system will give crews are TO/WSHR (during take-off) or GA/WSHR (during approach).
These will remain as the active modes until another selection is made
Max wind for Eng start on the ground?
Taxi?
Ice Sheding?
starting on ground
43 Kts crosswind component
18 Kts tailwind component
(Taxiing - unlimited)
(Ice Sheding - 43/18)
What is the Maximum take-off alternate distance?
Maximum take-off alternate distance is 351 nm
(based on a one-engine-inoperative cruise speed of 310 KIAS)
What is the max distance to fly overwater flight legs?
All aircraft are permitted to fly overwater flight legs provided they remain within 400 nm of a suitable emergency landing site.
What is the expected fuel burn for taxi and cruise?
Taxi 546 kg/Hr
Cruise 1800 kg/Hr
(Taxi 9.1kg/min, cruise 30kg/min)
What are the conditions for an unusual attitude?
Pitch attitude greater than 25 degrees nose up
• Pitch attitude greater than 10 degrees nose down
• Bank angle greater than 45 degrees
• Within above parameters but flying at airspeeds inappropriate for the conditions
What are the conditions of windshear?
• 15 knots indicated airspeed
• 500 feet per minute vertical speed
• 5 degrees pitch attitude
• 1 dot displacement from the glideslope
• 10 degree variation from nominal heading, and
• Unusual thrust lever position for a significant period of time.
What are the max cross wind for take off and for landing Dry/ Wet?
T/O 32 Kts
Ldg 29 Kts
(Demonstrated not limiting)
What is the Max cross wind T/O and Ldg in Compact snow?
Dry/wet snow > 0.13 in (3mm)?
T/O and Ldg
Compact snow 27 or 20 Kts (depends on temp >-15)
Dry/wet snow > 0.13in 20 Kts
(Dry/wet snow = 0.13in is 32 Kts)
What is the minimum crew oxygen?
2/3 crew members
Other regions/Mountain
2/3 Crew Members
900/950
Other regions/Mountains 2/3 CM
1200/1300
Holding speeds:
North America
Mexico
ICAO
NA
200. <6,000
230. 6,000-14,000
265. >14,000
ICAO
230 <14,000
240. 14,000-20,000
265. 20,000-34,000
0.83M. >34,000
Mexico
200
210
230
What is the fuel for:
Reserve
NAIFR fuel
Supp fuel
Res 880 Kg
NAIFR 450 Kg
SUPP fuel 1300 Kg
When should the derated thrust and reduced engine thrust (FLEX) procedures not be used?
The derated thrust and reduced engine thrust (FLEX) procedures must not be used:
• When windshear or downdraft warnings are forecast
• When the anti-skid system is inoperative
• When the autothrottle is inoperative.
• With the autothrottle disengaged
When is just the reduced engine thrust (FLEX) procedures not to be used:
Reduced thrust (FLEX) is not permitted with:
Wing and/or cowl anti-icing are in use.
Runways contaminated with
standing water, slush, snow, or ice.
What is the turning radius of the A220 300?
77’ 1” ( 23.50 m)
What is the dimensions of the A220?
L
W
H
L =127 ft
W =115’ 1”
H = 37’ 9”
What is the taxi speed limitation?
20 kt to 30 kt are acceptable
(10 kt for turn angles greater than those typically required for high speed runway turnoffs.)
At rotation, what pitch and bank angles must be observed?
• Pitch angles in excess of 11° may result in an aft fuselage strike
• Bank angles in excess of 15° may result in an engine nacelle strike
What is the limit for bank angles for green dot speed?(4)
<31,500
>31,500
GD
Vac
All engines operating
• Maximum bank angle of 30° at altitudes up to 31500 ft.
• Maximum bank angle of 15° at altitudes above 31500 ft.
One engine inoperative: Maximum bank angle of 25° GD
AOM 1.04.08 pg2
(Technically 20° bank at Vac)
What is Thrust Limited Altitude
And
Buffet or Maneuver Limited Altitude?
Thrust Limited Altitude is the altitude at which sufficient thrust is
available to provide a specific minimum rate of climb (e.g., 300 ft/min)
Buffet or Maneuver Limited Altitude is the altitude at which a 0.2 g margin (33* bank) exists prior to buffet onset.
In what approach category is the A220?
Cat C outside of Canada
Canada now goes by weight (dec 2022) so cat c.
Can go up if heavy, but not down category
Speed (KIAS)
Category
B 91 to 120
C 121 - 140
D 141 - 165
What are stabilized approach criteria?
• CAT I 1 dot deflection;
• RNP 1 dot deflection;
• CAT II/III ½ dot deflection;
• 3 degree glidepath and using PAPI, VASIS
• Vertical Speed not exceeding 1000 fpm
• Airspeed within +10 / -5 knots of Target
