Limitations Flashcards

1
Q

What are the general structural limitations (175LR)?

AOM v4 2-05

SOP 2-2.1

A

Max ramp weight: 85,870

MTOW: 85,517

MLW: 74,957

MZFW: 69,886

Max AFT cargo: 2,535

Max FWD cargo: 3,306

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2
Q

What are the general speed, altitude, temperature limitations?

AOM v 4 2-10

SOP 2-3.1

A

VMO: 330 kts (SL - 8,000); 320 kts (10,000 to Mach transition); MMO = .82M

VA: 240 kts

VB: 250 kts (below 10,000); 270 kts/.76M (above 10,000)

Max altitude ops: 41,000’

Max t/o & lndg: 8,000’ or ISA +/- 35C

Min temperature t/o & lndg: -40C

Runway slope max 2%

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3
Q

What are the flaps limitions?

AOM v4 2-10

SOP 2-3.4

A

Max flaps/slats extended: 20,000’; enroute prohibited

Flaps 1: 230 kts

Flaps 2: 215 kts

Flaps 3: 200 kts

Flaps 4, 5: 180 kts (go-around Flaps 2)

Flaps full: 165 kts (go-around Flaps 4)

CAT II approach: mandatory Flaps 5

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4
Q

What are the landing gear limitations?

AOM v4 2-10

SOP 2-3.3

A

VLOe, VLOr, VLE: 250 kts

Tire ground speed: 195 kts

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5
Q

What are the windows-ish limitations?

AOM v4 2-10, 2-50

SOP 2-3.3

A

DV max speed 160 kts

Max wiper speed: 250 kts (SW)

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6
Q

What are the wind limitations?

AOM v4 2-10

SOP 2-3.4

A

Dry runway: 38 kts

Wet runway: 31 kts

Compacted snow runway: 20 kts

Standing H20/slush/wet or dry snow: 18 kts

Iced runway: 12 kts

Max tailwind t/o & lndg: 10 kts (AOM) or 15 kts (SOP)

Static takeoff not recommended > 25 kts crosswind

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7
Q

What are the fuel limitations?

AOM v4 2-36

SOP 2-4.3

A

Crossfeed: Selected off for takeoff and landing

Tanks capacity: 3094 gal (20935 lbs)

Max permitted imbalance: 794 lbs

Min tank temperature: -40C

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8
Q

What are the APU operational limits?

AOM v4 2-38

SOP 2-4.3

A

Wait 30 seconds after EICAS is energized to start APU

Max unattended time: 5 minutes (SW)

Simultaneous use of APU bleed and HP cart prohibited

Start:

1st and 2nd attempt: 60 sec OFF

3rd attempt: 5 min OFF

Temp & Altitude Limits:

-54C min and ISA+35C (start & continuous)

Max altitude 30,000’ (start)

Continuous Operations:

Max altitude and electrical 33,000’

Max altitude leeds 15,000’

Max altitude airstart 21,000’

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9
Q

What are the engine limitations?

AOM v4 2-40

SOP 2-4.2

A

Time, temp, & speed:

Minimum oil pressure & temperature to start: 25psi, -40C,

Dry motoring:

1st start: 90 sec ON then 5 min OFF

Starts 2-5: 30 sec ON then 5 min OFF

Normal start:

1st & 2nd start: 90 sec [ground] or 120 sec [air] ON then 10 seconds OFF

Starts 3-5: 90 sec [ground] or 120 sec [air] ON then 5 minutes OFF

No reduced takeoffs on contaminated or wet [unless performance adjusted] runways

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10
Q

What are the pressurization limits?

AOM v4 2-48

SOP 2-4.4

A

Max differential

7.8 psi to 37,000’ or 8.34 psi above 37,000

Overpressure: 8.77 psi

Negative pressure: -0.5

T/o and lndg: 0.2 psi

Single pack ops: 31,000’

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11
Q

What are the icing conditions limitations?

AOM v4 2-50

SOP 2-4.5

A

Ground:

TO DATA MENU set to ENG if 5C < OAT < 10C and any visibile moisutre below 1700 AFE or ground contamination

TO DATA MENU set to ALL if OAT < 5C and any visibile moisutre below 1700 AFE or ground contamination

Flight:

If in AUTO, leave it be!

Or ON, if one of both ice detectors failed and TAT < 10C [flight]

or OAT < 10C [ground] in visibile moisture or ground contamination

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12
Q

What are the battery limitations?

AOM 14-05-15

SOP 2-4.2

A

Min voltage: 22.5V

Min temperature: -20C (APU start)

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13
Q

What are hydraulics, brakes, and thrust reverser limitations?

AOM v4 ?

SOP 2.4.4/5

A

Min hydraulic reservoir temp for ENG start: -18C

Brake temperatures must be in green for t/o

After selected reverse thrust, do not move into forward thrust range until REV icon is amber or green

Go arounds after thrust reverser deployment prohibited

Use of thrust reversers during normal taxi or for power back prohibited

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14
Q

What are the autoflight limitations?

AOM v4 14-3-5

SOP 2-4.6

A

Autopilot

Min engagement: 400’ AFE

Min use: 50’ AFE

Min use: MDA (non-precision approach)

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15
Q

What are the instrument limitations?

AOM v4 2-30, 2-64

SOP 2-4.6

A

Navigation

TAS/TAT/SAT information valid only above 60 kts

Barometric altimeter minimums must be used for CAT I approaches

Backcourse using IESS prohibited (<<–that’s a bad day)

EGPWS

Navigation is not to be predicated on Terrain Awareness System

Predictive EGPWS functions should be inhibited at nondatabase airfields &

during QFE operations w/ GPS is inoperative or database unavailable

FMS

RNP approaches not authorized (SW)

FMS speed mode prohibited during OEI flight

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