MISC Limitations Flashcards by James Alderman

G load clean and other

Clean +2.5g to -1g
Other 2g to 0g

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Max RWY Altitude

9200ft

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Nominal and min RWY Length

45m
Min 30m

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Max Crosswind

38kts

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Max TW TKOF and LDG

10kts

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Mx wind speed PAX doors

65kts

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Mx wind speed FWD and AFT cargo doors and if into wind

40kts
50kts if into wind

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Max speed wipers

230kts

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Max tier speed

195kts

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Min control speed (Vmcl)

109kts

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Cabin pressure Mx pos, Neg diff and safety relief valve setting

Mx 9psi
Min diff -1psi
Relief 8.6psi

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APU start limitation

3 start attempts them 60min cool down

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Can you use APU bleed for wing anti ice?

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APU warmup period before using bleed?

3min from APU start up

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APU mx assist engine start

FL200

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APU Mx alt for aircon single pac

FL220

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APU mx alt for aircon two PACs

FL150

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Mx speed cockpit windows

200kts

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GPS RNP accuracy

En route 1nm
Terminal .5nm
Approach .3nm

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Mx brake temp for TKOF no fans and fans on

No fans = 300 Due Hydraulic Fluid ignition point

Fans on = 150

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When to turn on brake fans

Temps 100 or a long taxi to take off or to parking bay

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APU max N speed

107%

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Mx APU EGT <FL350

1090

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Mx APU EGT >FL350

1120

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Mx EGT APU running

675

What altitude limit can the APU be started up to?

None. APU can be started at any altitude up to the aircraft’s max altitude of 39800ft

RNP value for en route, Terminal and Approach

En route = 1nm Terminal = 0.5 Approach = 0.3

AP on after TKOF

100ft + 5sec

AP for F-G/S app

200ft AGL

AP off for FINAL APP, V/S OR FPA app

250ft

AP off for GLS app

160ft

AP off for CAT I app

160ft AGL

AP off for CATII AND CATIII app

0ft

AP on during manual go around

100ft

CAT I DH

200ft

CAT II DH

100ft AGL

CAT III DH AND VIS

25ft + 75m VIS

Can GLS be used for TKOF?

Auto land mx headwind, crosswind and tail wind

Headwind = 30kts Cross wind = 20kts Tails wind = 10kts

Auto land AP use max elevation?

6500ft

Mx taxi speed

30kts

Mx Taxi speed with 1 deflated tyre?

7kts

Max taxi speed with 2 Tyers on same wheel deflated?

3knts

Mx speed for turns?

10kts

Mx nose wheel steering angle?

+- 85 degrees

Mx nose wheel steering angle with deflated tier?

30 degrees

APU start attempts and rest

3 consecutive start attempts followed by 60min cool down

APU limit from when bleed is AVAIL?

3min

When does the oxygen 1/2 amber box appear on EWD?

<1000 psi <1500psi for VGZ and VQ registrations

Flight deck oxygen bottles?

1 in A320 and A321 CEO 2 in A320 NEO

Min oxygen dispatch psi?

In FCOM under Oxygen limitations

What is the min crew oxygen requirement to cover the most demanding?

1/ Loss of cabin pressure (emer Des) - For all crew and observers 13min - For two crew FL100 107min 2/ protection agains smoke, 100% oxygen set - All flight deck personnel - For 15min @ 8000ft cabin altitude

Approach gates at 30,20 and at IAF

30 = 8000ft, 250kts 20 = 5000ft, <250kts IAF = Flap 2

Approach climb limit?

2.5%

Landing climb limit?

3.2%

TKOF CLIMB GRADIENTS 1st, 2nd and Final segments

1st = Positive gradient (lift off to V2) 2nd = 2.4% (V2 till THR RED ALT) Final = 1.2% (After flap retraction)

At what cabin level will the cabin oxygen masks drop at?

FL140

PTU Auto activates when?

More than 500psi difference between G and Y hydraulic systems

When do the fuel temps pulse and how can you warm up the fuel temp?

Pulse at -40 Can warm fuel by descending to warmer air or increasing thrust

What does the RAT do? And what does it pressurise to?

RAT provides pressurisation for the blue hydraulic system. Provides 2500psi

When will the RAT auto deploy?

With the los of both AC BUS 1 and 2

When can you re stow the RAT?

On the ground.

When is the PTU inhibited and auto tested?

Inhibited during first engine start Auto tested during second engine start

Tail strike awareness

13.5 11.7 gear compressed

Max height for gear Extention

FL250

Max taxi speed above 76T?

20kts

How long is engine warm up before apply high power if AC engines off for more than 2hrs?

5min

Airbus golden rules

Fly, Navigate, Communicate Use appropriate automation at all times Understand FMA Take action if things don’t go as expected

TKOF performance segment 1,2,Final

1st Segment = positive climb 2nd Segment = 2.4% Final Segment = 1.2%

Approach and Lansing climb gradient

Approach = 2.5% 1-inop Approach flap Gear up Landing = 3.2% All engines Landing flap and gear