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Flashcards in LIMITATION Deck (72):
1

Pressure refueling ?

L wing tank -7492 lbs
R wing tank -7492 lbs
Center tank -4610 lbs
Total -19594 lbs

2

CRJ 700 gravity refueling

L tank 7290 lbs
R tank 7290 lbs
Total 14580 lbs

3

CRJ 900

L tank 7405 lbs
R tank 7405 lbs
Total 14810 lbs

4

Takeoff with a fuel load ?

Fuel load is in excess of 500 lbs in center tank is not permitted unless.
Each main wing tank is above 4400 lbs . Or if each main tank is less than 4400 lbs consult the Aircraft flight manuals limitations section for additional requirements.

5

Minimum fuel quantity for go around is ?

600 lbs per wing tank and assuming a maximum airplane climb altitude of 10 degree nose up .

6

For go around the left and right tank quantities should ?

Never have a difference greater than 2500 lbs .

7

Bulk fuel take off limit minimum temperature ?

Jet A1 minus 30 degrees Celsius
Jet A2 minus 37 degrees Celsius
Jp-5 minus 36 degrees Celsius
Jp-8 minus 37 degrees Celsius
CIS RT minus 40 degrees Celsius

8

Bulk fuel freezing point

Jet A minus 40 degrees Celsius
Jet A2 minus 47 degrees Celsius
Jp 5 minus 46 degrees Celsius
Jp 8 minus 47 degrees Celsius
CIS RT minus 47 degrees Celsius

9

Fuel Additives ?

Fuel system icing Inhibitors (FSII ) fluid 1 or fluid 1-M should not be used continuously.

10

Power crossflow and Gravity crossflow must be ?

OFF for takeoff

11

Oil consumption

Maximum oil consumption on each engine is 189 cubic centiliters per hour (6.4 US ounces per hour/0.05 US gallons per hour )

12

Maximum duration without engine oil is ?

36 operating hours .
- for airplane operating excess of 36 operating hours , the engine oil level must be checked within 3 minutes to 2 hours after every engine shutdown .

13

APU

Allied signal RE 220 RJ

14

Starting APU

Minimum ambient temperature for starting a cold soaked APU on ground is minus -40 degrees Celsius

Maximum EGT 0 to 100% RPM 692 degrees Celsius to 1038 degrees Celsius

15

APU starter motor duty cycle is limited to ?

Not more than 3 starts/start attempts in 1 hour

- a two minute delay must be observed between cranking attempts to allow for cooling of starter and starter contractor and APU fuel drainage

16

Fuel

The maximum permissible fuel imbalance between the contents of the left wing tank and the right wing tank are ?

- DURING TAKE OFF 300lbs
-all other phase of flight 800 lbs

17

APU Operating range

MAX RPM 106%
MAX EGT 1038 degrees Celsius (do not exceed in any condition )

18

APU BLEED AIR LIMITATION

-BLEED AIR EXTRACTION IS NOT PERMITTED ABOVE FL250.

-ENGINE START DURING GROUND OPERATION .NO BLEED AUR EXTRACTION LIMITATION. Each engine can start using APU bleed air source

19

APU GENERATOR maximum load

Maximum permissible load on APU generator is 40 kVA

20

APU indication

APU indication
APU EGT red 807 degrees Celsius ,Green 0 to 806 degrees Celsius ..

APU RPM RED 107. % and green 0 to 106%

21

Max operating MAC #

CRJ 700 0.83
CRJ 900 0.82

22

FLAPS SPEEDS CRJ 700 and CRJ 900

Flaps 1 - 230 knots
Flaps 8- 230 knots
Flaps 20-220 knots
Flaps 30- 185 knots
Flaps 48 - 170 knots

Note CRJ 700 and 900 has same VFE speeds

23

CRJ maximum VLE

Max VLE
Extended - 220 KIAS
RETRACTED - 200 KIAS
DOWN AND LOCK -220 KIAS

24

TIRE LIMIT SPEEDS

CRJ 700 - 182 knots GSpeed
CRJ 900 - 195 knots GSpeed

25

MAX ADG OPERATION

Max speed for ADG is VMO/Mmo

26

Turbulence Penetration speed

MAX airspeed for turbulence penetration is 280 KIAS or 0.75 Mach .whichever is less

27

Wind shield wiper operation

Must not operate above 250 KIAS

28

Maneuvering Limit Load Factor

Flap retracted -1.0 to 2.5 G
Flaps extended 0.0 to 2.0 G

29

MAXIMUM RELIEF DIFFERENTIAL PRESSURE

Is .87 PSI

NEGATIVE PRESSURE IS -0.5 PSI

Taxi , takeoff and landing the pressure differential must not exceed 0.1 PSI

30

Emergency depress switch

Is prohibited above 15000 feet

31

SINGLE PACK OPERATION

CRJ 700 max altitude is 31000 ft
CRJ900 max altitude is 25000 ft

32

Autopilot CRJ700

Takeoff above 600 AGL
Non precision app 400 AGL
Precision app 3.5 &

33

Autopilot CRJ 900

Takeoff 600 AGL
Non precision app above and below 4000 fuel elevation is approved up to 400 AGL

Precision app with both engine glide slope 3.5 is prohibited

Precision app with one engine operative glide slope

34

AC ELECTRICAL LOAD

0 to 41000 max load each main Generator 40KVA and APU MAX GENERATOR LOAD IS 40 kVA

35

DC ELECTRICAL SYSTEM LOAD

Inflight
Max permissible continuous load on each TRU 120 amp

Ground
To protect the CRT display , the maximum permissible time for ground operation with DC power is 5 minutes

36

SLATS/FLAPS

Enroute use - prohibited

Inflight use can be extended upto 15000 feet and above 15000 feet is prohibited

37

Flight spoilers

Flight spoilers must not be extended in flight below an altitude of 300 AGL ,

To ensure adequate maneuvers margin flight spoilers must not extend inflight at airspeed below the recommended approach speed plus 10 KIAS

38

Stall protection switch

Should remain on for all phases of flight

39

Reverse thrust

Max reverse thrust is prohibited below 75KIAS

REVERSE IDLE SHOULD BE ACHIEVED BY 60 KIAS

Backing up using thrust reverser is prohibited

40

Taxi light

Taxi light must be switched OFF when ever the plan is stationary in excess of 10 min

41

CRJ 900 Anti skid

With an anti skid channel inoperative on the CRJ 900 ,take off from a wet runway is prohibited

42

Nose wheel

Towbarless towing is prohibited unless operation in compliance maintenance manual requirements

43

Kind of operation

-VFR AND IFR
-FLIGHT IN ICING CONDITIONS

44

RVSM REQUIRED EQUIPMENT LIST

-Auto pilot (1) operational
-ALTITUDE ALERTING SYSTEM
-Altitude Reporting Xponder (2)
-Air Data Transponder (2)

45

CRJ 700 weight

MTAXI WT - 75250 lbs
MTOW WT - 75000 lbs
MLW WR - 67000 lbs
MZFW - 62300 lbs
MFW - 42000 lbs
MOEW- 39835 lbs

46

Max weight for CRJ 900

MTAXI WT - 85000 lbs
MTOW - 84500 lbs
MLW - 75100 lbs
MZFW - 70750 lbs
MFW - 45000 lbs

47

MAXIMUM ALTITUDES

- MAximum airport pressure altitude for take off and landing 8000 feet

- Max Operating Altitude 41000 feet

48

Maximum ambient temperature approved for take off

ISA + 35 to -40 degrees Celsius

49

Cowl anti ice system on grounds

Cowl anti ice must be on when OAT is 10 degrees Celsius or below and
- visible moisture
-runway , taxi , Ramp snow , ice , water on surface

50

Flight Operations anti ice

ICING CONDITION IN FLIGHT
TAT OF 10 degrees Celsius or below and visible moisture .except SAT is -40degrees Celsius

Engine anti ice system must be ON
- icing condition
- ICE is annunciated by ice detection system

51

Wing anti ice system on ground

Must be on when OAT 5 degrees Celsius and visible moisture

When type 2 or type 4 anti ice fluid is used
- wing anti ice system must only be selected ON ,just thrust required just prior to thrust increase for take off

52

Wing anti ice in flight

Must be on when OAT 10 degree Celsius or below and visible moisture

Wing anti ice must be on
- ice annunciated by the ice detection system or
- in icing condition below 230 KIAS speed

Do not hold in icing condition with slats/ flaps extended

53

Super cooled large droplet icing (SLD)

Operation in supercooled large droplet (SLD) is prohibited

SLD ICING CONDITION are indicated by ice accretion on the flight deck side window
- wing anti ice must be on
-leaving icing condition when side window icing occurs

54

COLD WEATHER OPERATION

Take off is prohibited with frost , ice , snow or slush adhering to any critical area .

55

RUNWAY SLOPE

+ 2 % uphill to - 2% downhill

56

Tailwind takeoff

10 knots

57

Minimum flight crew

PILOT AND CO PILOT

58

CRJ 700 CARGO

Under seat - 12 lbs/seat
Overhead - 10180 lbs
Fwd cargo - 1000 lbs
Aft cargo - 3740 lbs

59

CRJ 900 CARGO

Under seat - 12 lbs/ seat
Overhead - 1180 lbs
Fwd cargo f1- 850 lbs
AFT Cargo f2- 850 lbs
Aft cargo R1/R2 - 3740 lbs

60

Engine indication

N1- red 99.5% green 0 to 99.4%
N2- red 99.4% green 0 to 99.3%
ITT - variable
Oil temp - red 164 C ,Amber 156 to 163 ,
green - 40 to 155 C

Oil press - red 0 to 24 C . Green variable , Amber variable

61

ENGINE HIGH POWER SWITCH LIGHT

Use of Engine High PWR SCHEDULE switch is prohibited

62

ITT GROUND START TEMP

815 degrees Celsius

63

Oil pressure ground start

182 psi (7)
95 psi ( after 10 min )

64

Normal takeoff power and maximum power (2 engines ) is limited for

5 min

65

APR POWER ( 1 engine ) is limited for

10 min

66

ITT temperature before attempting to ground start

120 degrees Celsius

67

Airplane Cold Soak

Before the first flight of a day , airplane is cold soaked at an ambient temperature of -30 degrees Celsius or below for more than 8 hours
- engine must be motored for 60 sec and the fan rotation must be verified before an engine start is initiated
- thrust reverser must be actuated until the deploy and stow cycle are 2 sec or less

68

Continuous Engine Ignition

Must be used during following
- takeoff and landings on contaminated runways
- flight through moderate or heavier intensity rain
- moderate or heavier turbulence
- flight in vicinity of thunderstorm

69

Reduced (flex) takeoff thrust

Reduced thrust flex takeoff is not authorized when
- wing and cowl anti ice bleed are in use
-runway is contaminated with standing water , slush ,snow , or ice
-Warnings or forecast of wind shear or downdrafts exists (LLWS)
- Anti Skid system is inoperative
- Engine cannot achieve full rated thrust

70

ITT GROUND START AND AIR START TEMPERATURES

ITT must be 120 degrees Celsius or less for ground start

Air start 90 degrees Celsius or less

71

CRJ 700/900 engine start and cool off time

Start(G) Max time Cool down
1 & 2 90 sec. 10 sec
3 -5 90 sec. 5 min
Motoring ground (G)
1. 90 sec. 5 min
2-5. 30 sec 5 min
Flight start/motor
1. 120 sec. 10 sec
2-5. 60 sec. 5 min

72

Engine relighting

CRJ 700/900
Windmilling Alt 21000 to 10000, speed 290 KIAS to Vmo and 7.2%N2

Sea level to 10000
Speed 250 KIAS to Vmo and 7.2%N2