Limitations Flashcards
Flight manoeuvring load acceleration limits
- Clean config = -1 to +2.5G
- Other config = 0g to +2G
Approach Category
Cat C
Rescue and firefighting services
Category 6
Runway slope
Plus / mins 2%
Runway Altitude limits
-2,000 feet to 9,200 feet
Nominal and minimum runway widths
Nominal = 45m
Minimum = 30m
Maximum crosswind limit
38kts (including gusts)
Crosswind limit for second and first officers
Dry Runway = 20kts
Wet = 15kts
(Except when flying with training capt)
Max tailwind for takeoff and landing
15kts
(Note: +10kts means full flap required)
Maximum wind for passenger door operation
65kts
Max wind for FWD and AFT cargo door operations
40kts
If nose into wind or cargo doors on leeward side = 50kts
(Must be closed before 65kts)
Minimum taxi width
15m
Cockpit window open maximum speed
200kts
Maximum Flaps / Slats speeds
0 = VMO/MMO
1 = 230
1 plus F = 215
2 = 200
3 = 185
Full = 177
Maximum operating speed
VMO = 350
MMO = M 0.82
VLE (max speed with landing gear extended)
280 / 0.67
VLO extension (max speed extend gear)
250 / M 0.60
VLO Retraction (max speed to retract)
220 / M 0.54
Maximum tire speed
195
VMCL
Minimum control speed for landing
113
Minimum Control speed on narrow runway
Runway 30m……. +2.5
Runway 35m……. +1.5
Runway 40m……. 0
Wipers maximum operating speed
230
Max taxi speed during turn if very heavy
20
Maximum taxi weight
73,900
Maximum take off weight
73,500kg
Maximum landing weight
64,500
Maximum zero fuel weight
61,000
Minimum weight
37,230
Takeoff alternate range
320nm
En-route alternate range
400nm
With passengers on board - recommend max time without air conditioning
20 mins
Avionics ventilation. During ground operations, limit use of electric power supply (in normal avionics ventilation system configuration) as follows
OAT Below 49 (no limit)
49 to below 55 (2 hours)
55 to below 60 (1 hour)
60 to 64 (0.5 hours)
Cabin pressure. Max positive differential. Max negative differential. Safety relief valve setting
Max positive……. 9 PSI
Max negative…. -1.0 PSI
Relief valve………. 8.6 PSI
Minimum cabin alt selection
Minus 2,000
Max normal cabin altitude
8,000 ft
Cab Alt warning
9,550 ft (plus or minus 350)
Max Operating altitude
39,800
Max cabin altitude selection
14,000
Cabin outflow valve closure altitude
15,000
Autopilot. Minimum value at takeoff
100ft AGL and at least 5 seconds after liftoff
Autopilot. Minimum value:
In approach with F-G/S mode
200ft AGL
Autopilot. Minimum value:
In approach with FINAL APP, V/S or FPA mode
250ft AGL
Autopilot. Minimum value:
In circling approach
Category C = 500 AGL
Category D = 600 AGL
Autopilot. Minimum value:
ILS approach when CAT1 is displayed on the FMA
160ft AGL
Autopilot. Minimum value:
ILS approach when CAT2 Or CAT3 SINGLE or CAT3 DUAL is displayed on the FMA
0ft if autoland
Autopilot. Minimum value:
GLS approach when CAT1 Is displayed on the FMA
160 AGL
Autopilot. Minimum value:
GLS approach when AUTOLAND is displayed on the FMA
Zero if autoland
Autopilot. Minimum value:
LPV approach (with SLS) when APPR1 is displayed on the FMA
160 AGL
Autopilot. Minimum value:
PAR approach (Precision Approach Radar)
250 AGL
Autopilot. Minimum value:
After manual go around
100 AGL
Autopilot. Minimum value
“In all other phases”
500ft
ILS Cat 2
Minimum decision height
100ft
ILS CAT 2
How many autopilot must be engaged in APPR mode? What must be displayed on the FMA?
At least one autopilot
FMA - “CAT 2” or “CAT 3 SINGLE” or “CAT 3 DUAL”
ILS CAT 2
Can you plan a manual landing following a CAT 2 Approach?
No - it’s not permitted
ILS CAT 3 PASSIVE (SINGLE)
Minimum decision height?
50 ft
ILS CAT 3 FAIL PASSIVE SINGLE
Autothrust required? Other info?
A/THR must be used in selected or managed speed
At least one autopilot must be engaged in APPR mode and “CAT 3 SINGLE” or “CAT 3 DUAL” must be shown on FMA
ILS CAT 3 FAIL OPERATIONAL (Dual)
Alert height? Other info
100 ft
Both autopilots must be engaged in APPR mode and “CAT 3 DUAL” must be displayed on FMA
ILS CAT 3 FAIL OPERATIONAL (Dual)
Cat 3 with DH - what is the decision height?
25 ft (Jet2)
ILS CAT 3 FAIL OPERATIONAL (Dual)
Cat 3 without DH- what is min RVR?
75m
GLS CATEGORY 1 - decision height?
200 ft
Without auto landing - at least one autopilot in APPR mode and “CAT 1” or “LAND” displayed on the FMA
GLS auto land is not permitted
Autoland - Maximum wind conditions for ILS CAT 2 or CAT 3 and GLS CAT 1
Headwind…. 30 kts
Crosswind…. 20 kts
Tailwind…….. 10 kts
APU - after 3 consecutive starts - how long must flight crew wait before another attempt?
1 hour
APU - max N speed?
107%
APU - Max EGT for APU start (below 35,000)?
1,090 degrees C
APU - Max EGT for APU start (above 35,000)?
1,120 degrees C
APU - Max EGT for APU running?
675 degrees C
APU - 2 restrictions for APU Start/Shutdown whilst fuelling or defuelling
- If the APU failed to start or following an auto shutdown - do not start the APU
- If there is a fuel spill (perform a normal APU shutdown)
APU BLEED
Max altitude to assist with engine start?
20,000 ft
APU Bleed
Max altitude for air conditioning and pressurisation (single pack operation)?
22,500 ft
APU Bleed
Max altitude for air conditioning and pressurisation (dual pack operation)?
15,000 ft
Is it permitted to use APU Bleed air for wing anti-ice?
No
Thrust setting / EGT Limits
Takeoff and go around (all engines operative)
Time: 5 mins
EGT: 950
Thrust setting / EGT Limits
Takeoff and go around (one engine inoperative)
Time: 10 mins
EGT: 950
Thrust setting / EGT limits
Max continuous thrust
Time: no limit
EGT: 915 degrees
Thrust time limit / EGT limit
For starting (on ground and in flight)
Time: no limit
EGT: 725 degrees
Engine Shaft Speeds
N1
N2
N1….. 104%
N2…. 105%
Oil
Max continuous temperature
140 degrees C
Oil
Maximum transient temperature (15 mins)
155 degrees
Oil
Minimum starting temperature
Minus 40 degrees
Oil
Minimum temperature before take off
Minus 10 degrees
Oil - minimum quantity
9.5qt plus estimated consumption (average is 0.5qt per hour)
Minimum oil pressure
13 PSI
Oil pressure - when does cold start bypass valve open?
305 PSI
Starter information
- Standard start includes 3 start attempts (this is one cycle)
- For ground starts - wait 20 seconds between cycles
- 15 min wait between failed cycles
Flex Takeoff - is it permitted on contaminated runways?
No
Flex Takeoff
TFFLEX cannot be (3 things)?
- Higher than TMAXFLEX, equal to ISA plus 53 degrees C (68 degrees)
- Lower than flat temp (TREF)
- Lower than actual OAT
Maximum altitude with flaps / slats extended
20,000 ft
Fuel temp for Jet A1 (min and max)?
Min…. Minus 43
Max…. Plus 54
Fuel imbalance at takeoff. If inner tanks balanced, what is max asymmetry in the outer tanks?
370 kg
Fuel imbalance at landing. If inner tanks balanced, what is max asymmetry in the outer tanks?
690 kg
Minimum fuel quantity at take off
1,500 kg
Definition of icing conditions?
- OAT (on ground) or TAT (in flight) is at or below 10 degrees C AND there is visible moisture in any form
Definition of severe ice accretion?
Approximately 5mm thick
Does the aircraft have rain repellant?
No - it has been deactivated
Definition of thin hoarfrost
Thin hoarfrost is typically a white crystalline deposit which usually develops uniformly on exposed surfaces on cold and cloudless nights. You can clearly see things under it
Maximum brake temperature for takeoff?
300 degrees (brake fans off)
Maximum nosewheel steering angle?
85 degrees
Taxi with deflated or damaged tires.
If maximum one tire per gear is deflated, what is maximum speed during turn?
7 kt
Taxi with deflated or damaged tires.
If two tires are deflated on the same main gear (max one gear) - what is the maximum taxi speed
3 kt
Taxi with deflated or damaged tires.
What is the maximum nosewheel steering angle?
30 degrees
What is the APU Battery Restart Limit?
25,000
What is the max altitude for APU operation?
The aircraft max altitude (39,800)
Max NWS limit
95 degrees
Max NWS with a motorised pushback
85 degrees
Max nosewheel steering angle with deflated or damaged tyres
30 degrees
