Limitations Flashcards Preview

Silver BE1900D > Limitations > Flashcards

Flashcards in Limitations Deck (92):
1

Max Operating OAT Limit

ISA + 37°C

2

Max Operating Pressure Altitude Limit

25,000'

3

Max Cabin Pressure Differential

5.1 psi

4

Engine (Make and Model)

Pratt & Whitney PT6A-67D

5

Engine Shaft Hp.

1279 SHp.

6

Prohibited Ground Operations

Propeller in Feather EXCEPT:
Feather checks
Airframe deicing: 3 min below 5°C
Ground Fine: above 38°C
Backing up the aircraft using Reverse Thrust:
Raytheon: limited to 10 seconds
Silver Airways: PROHIBITED

7

Prohibited in Flight

Lifting the Power Levers

8

External Power Limits (GPU Volts)

28-28.4 Volts

9

External Power Limits (GPU Amps momentarily)

1000 Amps

10

External Power Limits (GPU Amps Continuously)

300 Amps

11

Starter Limits: Restart following normal start

3 minutes after the starter was turned off

12

Starter Limits: Aborted Start (no ignition)

20 seconds ON
30 seconds OFF
20 seconds ON
60 seconds OFF
20 seconds ON
5 minutes OFF

13

Starter Limits: Motoring Only

20 seconds ON
5 minutes OFF
repeat as required

14

Fuel allowed (Silver Airways)

Jet A

15

Fuel allowed (Raytheon)

Jet A
Jet A1
Jet B
JP-4
JP-5
JP-8
Aviation Gas

16

Max Fuel Imbalance

200 lbs

17

If Fuel Gauge in Yellow Arc: (prohibition)

Takeoff prohibited

18

Fuel in which tank must be used first?

Aux tank first

19

Fuel Press Lo light illuminated (time restriction)

Engine driven fuel pump must be overhauled within 10 hours

20

Propeller Make

Hartzell

21

Propeller Diameter

110"

22

Blade Angle (42" station) feathered

79° +-5°

23

Blade Angle (42" station) reverse

14.5° +-5°

24

Ground Prohibited RPM Ranges

400-950 RPM
1250-1395 RPM

25

When to arm autofeather

Takeoff
Climb
Approach
Landing

26

Generatoir load 0-75% Min N1 %

65%

27

Generator Load 75-100% Min N1 %

72%

28

Landing Gear Cycle Limit

Wait 2 minutes between the first 3 gear cycles
and 5 minutes between each additional cycle

29

Minimum OAT for operation of Deice Boots

-40°C

30

Flap restriction in icing conditions

Flaps extended in sustained flight in icing conditions is prohibited except for approach and landing

31

When to use of Engine Anti-ice

<= +5°C when flight free of visible moisture cannot be assured

32

Limitation for use of propeller deice

One cycle when OAT is > 10°C

33

Crack in side window (cockpit or cabin)

applies only when inner OR outer ply cracked
Flight limited to 25 hours
Cabin must be depressurized (and placarded)

34

Gallons to pounds

1 Gallon = 6.74 Pound

35

Main tank capacity

240.5 gal
1621 lbs

36

Aux tank capacity

92.2 gal
621 lbs

37

Total tank capacity

665.4 gal
4484 lbs

38

Ramp Weight

17,230 lbs

39

Take-off Weight

17,120 lbs

40

Landing Weight

16,765 lbs

41

Zero Fuel Weight

15,165 lbs

42

Coat Closet Weight

250 lbs

43

Coat Closet Hangar Weight

Raytheon: 100 lbs
Silver Airways: 0 lbs

44

Aft Baggage Compartment - forward weight

1,000 lbs

45

Aft Baggage Compartment - aft weight

630 lbs

46

Cabin Floor Loading

100 lbs/sq. ft.

47

Aft CG limit for Takeoff, Climb, Approach, and Landing

299.9 in.

48

Aft CG limit for Cruise and Descent

303.0 in

49

Forward CG limit

283.0 in

50

Datum location:

83.5 in forward of front jack point

51

TCAS prohibition

Evasive maneuvering based on traffic display

52

Limitation on Cracked or Shattered Windshield

applies only when inner or outer ply is cracked Flight limited to 25 hours
Cracks must not impair visibility
Cabin Differential: 2.0-3.0 psi
Maximum altitude: 18,000'

53

Purpose of winglet

more efficient wing (less energy wasted by vorticies)

54

Purpose of T Tail

smoother ride, not disturbed by prop wash

55

Purpose of Stabilons

Increases pitch stability, increases CG Range, Aids in stall recovery

56

purpose of Tailets

Lowers Vmca

57

purpose of Strakes (ventral fins)

increases directional stability

58

Wingspan

57' 11"

59

Length

57' 10"

60

Tail Height

14' 1"

61

Turning radius (Wing clearance):

41' 2"

62

Turning radius (Tail clearance)

39' 1"

63

Emergency Exits

1A
6A
4F
6F

64

How many microswitches in the stair door?

5

65

When is the door annunciator extinguished?

When the door is closed and secured (and all 5 microswitches made)

66

Door snubber psi

Open 1350-1450 psi
Closed: 1000-1200 psi

67

How many cam locks on the stair door?

8 camlocks (4 per side)

68

Emergency equipment on board

Life vests:
2 for crew
2 for infant
2 halon 1211:
FO seat
coat closet on wall
first aid kit
masks
goggles

69

How many of what type fuel nozzles

14 duplex nozzles
Pattern 1: under 44% N1
Pattern 2 over 44% N1

70

in accessory section

N1 tach
Oil pumps
Starter Generator
VCS (vapor cycle system = airco)
FCU
Fuel pumps (low and high pressure)

71

P2.5 bleed and power ranges

compressor stall prevention
under 70% N1 open
71-90% modulating
above 91% closed

72

Compression ratio

12:1

73

gear reduction ratio

17:1

74

Oil Tank capacity

2.3 gal

75

Engine oil capacity

14 quarts

76

Oil type

BP 2380 Turbo

77

max oil burn

1 quart/10 hours

78

Dip stick markings

down to 5 quarts low

79

When starter engaged what happens:

-Gen becomes starter
-deenergizes High Current Sensors (HES) > 325 Amps between busses
-Igniters on
-Generator Control Unit restricts energy draw during start: Cross start limiter
-Standby fuel pumps powered

80

Power Levers (Flight, Beta, and Reverse) control:

Flight: N1
Beta: Blade Angle
Reverse: N1 and blade angle

81

Propeller Levers (Flight, beta, reverse) control:

Flight blade angle via governor pilot valve

82

Condition Lever positions

High idle: 72% (lower temps)
Low idle: 65%

83

Generator Load before starting second engine

Raytheon: 50%
Silver: 35%

84

How many fuel pumps per wing

7 fuel pumps:
2 transfer
1 main jet
1 standby
1 aux transfer
2 engine driven pumps
low press: 45 psi
high press: 850 psi

85

Fuel Press Lo illumination means

under 10 psi after low pressure pump

86

L/R Col Tank Low illumination means

53 lbs or 8 minutes of fuel remaining

87

Cabin Diff Press illumination means

5.25 psid

88

How many fuel drains per side?

5

89

Charge on fire bottle

360psi (200-500 psi)

90

How much halon in squib

2.1 lbs of halon 1311

91

Firewall Fuel Valve does what?

cuts off fuel
arms squib

92

Fuel probes per wing

8 capacitance probes
6 in main
2 in aux