BE30 - Systems limitations Flashcards

1
Q

Cracked windshield -
Limitations

A

INNER ply cracks = Prohibited

Flight only permitted with OUTER ply cracks, with the following restrictions :
- Max 25hr flight time
- Vision not impaired
- Use of wipers is not impaired
- Windshield anti-ice must be operational

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2
Q

Severe Icing

A
  • Exit the severe icing ASAP
  • Disengage AP / Do NOT engage autopilot
  • Do NOT extend (or) retract flaps
  • Avoid abrupt manoeuvres
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3
Q

Min Bat (V) for GPU plug-in

A

20

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4
Q

Min Bat (V) for BAT Start

A

23

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5
Q

Min GPU (V) for GPU start

A

24

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6
Q

Battery
Type & Amps

A

Lead Acid
42 amp/hr

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7
Q

Battery
Time avail. on 50 amps

A

30 min

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8
Q

GPU
Required rated voltage & amps

A

Amps :
1000 for start & 300 continuous

Voltage :
28.0 - 28.4 VDC

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9
Q

Generators
Rated VDC & Amps

A

Amps :
300 am/hr

Voltage :
28 VDC

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10
Q

Generators
Max % Load - Ground

A

N1 62-70% = Gen load 75%
N1 70-100% = Gen load 100%

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11
Q

Generators
Max % Load - Flight

A

SL-FL340 = 100%
FL340-350 = 95%

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12
Q

Certified occupancy (pax)

A

15

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13
Q

Oil
Tot. qty & max. LOW on dipstick

A

Tot = 14 qts
Refill = 4 qts

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14
Q

Engine
Model & SHP rating

A

PT6A-60A
1050 SHP

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15
Q

Propeller blades angle -
Feathered

A

79.3°

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16
Q

Propeller blades angle -
Reverse

A

-14°

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17
Q

Propeller blades angle -
Ground LOW Pitch

A

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18
Q

Propeller blades angle -
Flight LOW Pitch

A

12°

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19
Q

Propeller blade angle -
Ground fine

Zero Thrust

A

-3°

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20
Q

Ground Low Pitch Stop -
Prop RPM

A

1050

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21
Q

Flight Low Pitch Stop -
Prop RPM

A

1450

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22
Q

Load factor (g)
Flaps UP (+/-)

A

+3.1
- 1.24

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23
Q

Load factor (g)
Flaps DOWN (+/-)

A

+2.0
- 0.0

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24
Q

Boots
min temp

A

-40

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25
Q

Prop deice
ammeter green range

A

26-32 amps

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26
Q

Landing gear
Cycle limit

A

1 cycle per 5 min, up to 6 cycles.
Then, 15 min cool down

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27
Q

Autopilot
AIL hard floor

A

Never engage below 400’

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28
Q

Starter
Limit ON & Sequence

A

ON = 30 sec
Sequence = (S) 5min (S) 5 min (S) 30 min

  • Note = After a dry motoring run, only 1 (S) left
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29
Q

Pressurization
Max. diff

A

6.6 psi

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30
Q

Pneumatic pressure
green range

A

12-20 PSI

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31
Q

Gyro suction
SL up to ___ ‘? & Green range

A

SL-15,000’

4.3 - 5.9 ‘‘Hg

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32
Q

Gyro scution
____’ up to 35,000’ & Green range

A

15 000’ - 35,000’
2.8 - 4.9 ‘‘hg

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33
Q

AC Dimensions
Height

A

14’ 4’’

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34
Q

AC Dimensions
Width (wing span)

A

57’ 11’’

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35
Q

AC Dimensions
Length (nose to tail)

A

46’ 8’’

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36
Q

Wing dihedral angle

A

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37
Q

AC Category

A

Commuter

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38
Q

AC Dimensions
Prop ground clearance

A

11.5’’

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39
Q

AC Dimensions
Turn radius

A

41’ 7’’

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40
Q

Engine
Compressor stages (4)

A

(3) Axial flow
(1) Centrifugal glow

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41
Q

Autopilot
Enroute limit

A

1000’ AGL

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42
Q

YD/AP -
Limit if inop

A

Flight limited to 5,000’
(as per Cargo Pod supp.)

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43
Q

Yaw Damper -
Requirement to use

A

Must be ON anytime > 5,000’

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44
Q

Rudder boost
System activation min & max torque differential

A

Activates = 30% Torque differential
Max effective = 80% torque differential

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45
Q

TAS
When to amend?

A

TAS +/- 5%

5% = TAS / 10 / 2

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46
Q

Flaps APP & DOWN
How many degrees?

A

App = 14°
Down = 35°

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47
Q

AIL RCAM
Max contaminant depth

A

0.5’’

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48
Q

Nose gear travel
- wt. pedals only
- wt. turn moment
- TOTAL

A

12° wt. pedals
36° wt turning moment
48° total

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49
Q

Brake deice -
Timer duration

wt. Gear Up

A

10 min

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50
Q

Wing light
Time limit on ground

A

6 sec

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51
Q

Boots
Manual inflation time limit

A

7-10 sec

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52
Q

Oxygen system
Nominal pressure

A

1000-1500 PSI

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53
Q

Oxygen system - Capacity

A

77 cubic feet

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54
Q

Airframe - OAT limit

A

SL-FL250 = ISA + 37°C
>FL250-FL350 = ISA + 31°C

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55
Q

Condition levers - Minimal N1% :
- LOW idle
- HIGH idle

A

LOW idle = 62% N1
HIGH idle = 70% N1

56
Q

Anti-ice
When should it be ON (ground & filght)

A

GROUND = Anytime

FLIGHT = In visible moisture when the OAT is 5° and below

57
Q

Anti-ice
When should it be OFF (ground)

A

Takeoff above 10°

58
Q

AIL Min Oil temp before unfeathering

A

59
Q

Max altitude for takeoff & landing

A

14,000’

60
Q

Oxygen system
Passengers mask auto-deployment altitude

A

12,500’

61
Q

Cabin depressurisation =
- Max cab. alt. that should be reached
- What system will prevent it, and how

A

13,500’ cab alt

Altitude limit controller (integrated into the plumbing system of the Outflow & Safety valves).

62
Q

AIL - Min Oil temp for takeoff
& why

A

55°
Oil to fuel heat exchanger

63
Q

Autofeather -
When is it required?

A
  • Must be operative for all flights
  • Must be ARMED for take-off/ approach / landing
64
Q

On shutdown, wait until ____ before feathering props

A

500 RPM

65
Q

Cracked cabin window
- Limitations

A

Flight is prohibited

66
Q

On HOT or HUNG start, wait until ____ before releasing starter cranking

A

400° ITT

67
Q

Autofeather -
ARMING requirements (2)

A

BOTH ENGINES =

1) Power level position advanced to equivalent of N1 > 88%

2) TRQ > 17%

68
Q

Autofeather -
ACTIVATION sequence (2)

A

1) When failed engine TRQ < 17%
= Auto-feather disables on operating engine

2) When failed engine TRQ < 10%,
= Auto-feather feathers prop on failed side

69
Q

TEMP COMP must be applied to FRA when…

A

OAT <= -15

70
Q

As per AIL, A/P must be disconnected by _____ on an approach

A

100’ above minima

71
Q

How to help attain prop RPM > 1050
(3x)

A
  • PWR levers = GROUND FINE
  • Cond levers = HIGH IDLE
  • PWR levers = Increase
72
Q

Altitude limit (ceiling) with Gear (or) Flaps

A

20,000’

Supp. AC registered in Canada

73
Q

On shutdown, wait until ____ before GENs & BATT to OFF.
WHY?

A

N1<15%
Confirms starter relay is not engaged

74
Q

Min N1 required for A/C

A

62%

75
Q

Tire pressure = nose/main

A

Nose = 60 psi
Main = 95 psi

76
Q

Anti-ice OFF = resultant TRQ increase

A

6-8%

77
Q

Normal electrical system voltage

A

28.25 +/- .25 VDC

78
Q

What supplies VDC and VAC to the aicraft electrical system

A

VDC =
1x Battery
2x Generators

VAC =
2x Inverters

79
Q

Battery power is located to which buses?

A
  • Battery bus
  • Center bus
  • Triple fed bus
80
Q

What protects the (5) electrical buses?

A
  • All individually protected by current sensors, limiters, diodes and relays
    &
  • Load shedding isolates a faulty bus from those still functionnal
81
Q

If the Battery is switched ON, which relay closes?

A

Battery relay
&
Batt Bus Tie relay

82
Q

What is automatic load-shedding?

A

Genretors buses get automatically shed (isolated from the circuit) as necessary to reduse excess loads

83
Q

What is on the Dual Fed bus?

A

(L & R) Fire extinguishers

&

Cabin entry lights CB, incld. :
- Emergency instrument indirect lights
- Entry lights
- Door observation lights
- Aft baggage lifhts

84
Q

What is the main important system on the Center bus?

A
  • Landing gear motor

Others good to know :
- No. 1 inverter
- Electric heat
- Manual Prop Deice

85
Q

What is on the Battery bus?

A
  • Avionics
  • Ground Comm
  • Dual fed bus
  • Battery switch relay
86
Q

What are the (6) functions of the GCU?

A

1) Voltage regulation

2) Overvoltage or overexcitation protection

3) Paralleling (load sharing) within 10%

4) Reverse current protection

5) Current limiting during a cross-gen start

6) Isolation of failed / off Gen from its Bus

87
Q

AC Voltage & Hertz

A

115 VAC & 26 VAC
400 Hz

88
Q

(3) Functions of the inverters?

A

1) Convert VDC to VAC
2) Voltage regulation
3) Frequency regulation

89
Q

How are the starter-gens cooled on the ground?

A

By an internal shaft driven fan drawing outside air

90
Q

What happens when you RESET a generator?

A

It excites the generator’s field
Increase starter-gen output
Bring GEN back on line

91
Q

What is reverse current ?

A

If a generator field becomes underexcited, it would draw currect from the center bus

92
Q

What is the starter-gen overvoltage limit

A

32.5 VDC

93
Q

What happens when the GEN switch is switched to NORM

A

The bus tie PCD analyzes bus voltages and automatically close the genereator bus-tie relays when no fault exist

94
Q

What is the BUS SENSE switch function?

A

Controls the over-current sensing function of the Bus-Tie system.

95
Q

How is the battery cooled

A

Air cooled

96
Q

What happens when the BAT BUS is switched to EMER OFF

A

The battery bus is disconnected from the battery

97
Q

On which Bus is the Flap Motor ?

A

LEFT Gen

98
Q

What bus is powered by external power?

A

Center bus

99
Q

When will GPU voltage power be locked OUT ?

A

If voltage exceeds 31 VDC

100
Q

What happens when the Avionics Switch is ON?

A

Voltage is REMOVED from each coil, then the contacts CLOSE to supply power to the avionics CB

101
Q

What happens if the Avionics Switch is failed in the OFF position?
How to get around it?

A

Current is provided to the coil, therefore the contacts are OPEN and no power is supplied to the Avionics CB.

By PULLING the Avionics CB, the avionics master swtich will be bypassed and the avionics powered.

102
Q

Which lights are installed on the wingtips?

A
  • Nav
  • Recog
  • Strobe
103
Q

What powers the emergency exit lights?

A

Self-illuminating phosphor coated tube

104
Q

What are the (6) principal uses of P3 air

A
  • Fuel Manifold Purge system
  • Cockpit side window defog
  • Cabin window defrost
  • Inflating the door seal
  • Gear hydraulic precharge
  • Inflate the boots
105
Q

Igniters
- How many of them?
- How many required to start?

A

2 per engine

1 required to start

106
Q

When does the P2.5 valve fully closes?

A

90% N1 (then only P3 air is used)

107
Q

What happens during acceleration if the compression bleed air valve sticks ….
- OPEN ?
- CLOSED ?

A

OPEN =
High ITT & Low TRQ

CLOSED =
Compressor stalls

108
Q

When is the best time to check oil level?

A

Within 15 minutes of shutdown

109
Q

What is the function of the Propeller Ground Solenoid?
How does it activates / deactivates?

A

Ensures automatic transition between the Flight Low Pitch Stop (12°) to the Ground Low Pitch Stop (2°) upon touchdown, by repositionning the beta valve to allow more oil pressure into the dome, hence decreasing the blade angle.

  • Deactivation of the Ground Low Pitch Stop (on takeoff) =
    Electrical power is removed from the solenoid by a microswitch on its respective power lever as it advance through 68-70%N1 (also resulting in its respective [L/R PROP PITCH] annunc. to extinguish]
  • Activation of the Ground Low Pitch Stop (on landing) =
    Solenoid is powered when a switch in the (R) Main Landing Gear is activated by WOW
110
Q

What is the Prop Sync max authority?

A

20 RPM

111
Q

At which temperature is the bleed air cooled?

A

70°F = 21°C

112
Q

How is vaccum air obtained?

A

From the bleed-air going throug an ejector - Vaccum created from the air being accelerated

113
Q

Propeller deice cycle - AUTO mode

Timing

A

A timer runs a 90 sec phase cycles

The 1st. 90 seconds heats ALL boots on the RH prop.

The 2nd 90 seconds heats ALL boots on the LH prop.

114
Q

Bleed air
- Where does it enters the cabin?
- What does it serve for?

A

Outlets in the LOWER cabin sidewalls
Pressurization & Heating

115
Q

What is used to heat the cabin on the ground?

A

Bleed air supplemented by the Electric Heat elements

116
Q

How does the Air Conditionning works?

A

Condensing coil & blower assembly in the nose.
Driven by the RH engine.
Recirculates cabin air.
Condensor removes excess heat from the high-pressure & high-temperature air.
Freon refrigerant

117
Q

Air Conditionning - Temp limit

A

Do NOT operate A/C when the ambient temp is below 10 C

118
Q

How can outside ambient air be distributed to the cabin?

A

Selecting the Cabin Press switch to DUMP allows the evaporator door to open and allow outside ambient air to the mixing plenum

119
Q

Can Electric Heat function in flight & on the ground?

A

Only on the ground

120
Q

Can the Air Conditionning work in flight & on the ground?

A

Yes, in flight & on the ground

121
Q

What (3x) GEAR systems are on the WOW switches

A

1) Gear selector - Valve UP solenoid
* On ground = Hydraulic fluid is prevented to flow to the retraction side of the system

2) Gear Motor control relay
* On ground = Pump in the gear motor is prevented to operate

3) Gear Handle Lock solenoid
* On ground = J-hook prevents handle to move up

122
Q

What (3x) PRESSU systems are on the WOW switches

A

1) Preset solenoid
* On ground = Outflow valve closes

2) Dump solenoid
* On ground = Safety valve opens, and depressurize the aircraft

3) Door seal solenoid
* On ground = Seal deflates

123
Q

What (1x) DEICE system is on the WOW switches

A

1) Stall Warning Heat control
* On ground = Flow is limited to a lower voltage to prevent overheating

124
Q

What (2x) ENVIRO systems are on the WOW switches

A

1) Electric Heat control
* In flight = Power is removed from the circuit, making it unusable

2) Ambient Air modulating valves
* In flight = Ram air door closes

125
Q

What (1x) PROP system is on the WOW switches

A

1) Ground Low Pitch Stop system
* On ground = Propeller Solenoid is energized, hence the Low Pitch Stop is automatically reset from the Flight stop (12°) to the Ground stop (2°)

126
Q

Auto-IGNITION
When does it activate?

A

When TRQ < 17%

127
Q

Rudder Boost -
When is it required?

A

Operative & ON for all flights

128
Q

Which systems will remain functionnal in case of a DUAL GEN failure (without manually closing the MAN TIES)?

WHY?

A

Switches & Toggles with a white circle
These systems are on the CTR (or) TPL Fed Buses, therefore powered by the battery

  • Note : In order to reduce electrical demand on the battery, unecessary systems with a white circle should be switched off
129
Q

Flight Idle -
Prop RPM range & blade angles

A

1700 - 1450 RPM
(1450 RPM = 12°)

130
Q

Ground Idle -
Prop RPM range & blade angles

A

1700 - 1050 RPM
(1050 = 2°)

131
Q

Ground Fine (Beta) -
Blade angles

A

2° to -3°

132
Q

Reverse -
Prop RPM range & blade angles

A

1050-1650 RPM
-3° to -14°

133
Q

Which systems require Vacuum?
(4x)

A
  • Pressurization Controler
  • Outflow valve
  • Safety ‘‘dump’’ valve
  • Deice Boots (deflation)
134
Q

Which systems require AC?
(3x)

A
  • FDR (Flight Data Recorder)
  • AP/YD (Autopilot & YawDamper)
  • FD (Flight Director)
135
Q

Which buses power each inverter?

A

1 Inverter = Center Bus

#2 Inverter = (R) Generator Bus

136
Q

Take Off - When to set the ENVIR switch :
- LOW
- NORMAL?

A

NORMAL = up to 10°
LOW = 11° & above

137
Q

Brake Deice - Max. OAT

A

15°