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EMB-120 Limitations > Limitations > Flashcards

Limitations Flashcards

1
Q

Minimum oil temperature for start

A

-40°C (red radial)

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2
Q

Maximum continuous Np

A

100%

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3
Q

What are the non-memory items on the QRC?

A
  • Engine Fire On Ground
  • Engine Fire In Flight
  • APU Fire
  • Class-C Baggage Fire Or Smoke
  • Inadvertent Propeller Feather
  • ————————-———————
  • Battery Overheat
  • Emergency Descent
  • Windshield Overheat
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4
Q

QRC Memory Item:

Prop Overspeed Np Above 103%

A

Identify the affected engine and proceed:
1. Power lever……………Flight Idle
2. Cond Lever…Feather, then check
3. Airspeed…………Below 180 KIAS
4. Flaps…………………….15 degrees
5. Airspeed…..125 KIAS MINIMUM
In case no feathering observed:
6. Electric Feather Switch…On, then check feather

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6
Q

Ground Idle with EEC on,
Condition Lever MIN-MAX

What is Np range?

A

MIN 50% - MAX 65%

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7
Q

What are the cues for windsheer?

A

15 KIAS Airspeed
500 FPM
5° Pitch Attitude
1 dot glideslope

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8
Q

Maximum DV window open speed

A

140 KIAS

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9
Q

Electric controller dump limit

A

13,000 feet

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10
Q

When is wheel braking available after landing?

A

(Which ever is first):

Wheel speed of 50 KTS
OR
3 seconds after weight-on-wheels

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11
Q

Maximum speed for setting Np to 100%

A

200 KIAS

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12
Q

Unusable fuel per wing

A

24 lbs

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13
Q

Minimum altitudes for autopilot\yaw damper use:

A

Takeoff…600 ft AGL

Nonprecision/Visual appr…400ft AGL

Precision appr…200 ft AGL

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14
Q

Maximum Continuous Tolerance for Np

A

100 to 101.0%

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15
Q

Maximum operating altitude-

EEC off, Engine Bleed Closed

A

FL 200

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17
Q

Green Hydraulic System Services (6)

A 
Outboard Brakes
Outboard Flaps
Landing gear
Nose wheel steering
Main cabin door
Rudder
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18
Q

Backup Battery Voltage/Amperage

A

24 Volts - 5 Amps

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19
Q

On the ground, Power Levers at GRD IDLE, EEC’s deferred:

Nh should be?

A

Nh greater than or equal to 50%

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20
Q

White ignition light on from _ to _?

A

0 to 50%

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21
Q

Vfe 25°

A

150 KIAS

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22
Q

Maximum continuous takeoff temperature T6

A

800°C

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24
Q

Normal battery voltage

A

24 Volts

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25
Q

Maximum Cruise Torque Np at 90%

A

80% Tq

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27
Q

QRH Memory Item:

Rapid Depressurization

A
  1. O2 masks…Don, select 100%

2. Crew Communication…Establish

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28
Q

Passenger O2 masks drop at what cabin pressure altitude?

A

14,000ft cabin pressure altitude

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29
Q

Maximum Operating Altutudes

RVSM Restriction

A

FL 280

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30
Q

Number of dripless sticks per wing

A

4

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31
Q

Minimum battery voltage for APU start

A

22 V

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32
Q

Maximum operating altitude:

EEC On, Engine Bleed Open

A

FL 320

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33
Q

Maximum continuous torque for takeoff

A

100%

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34
Q

Maximum Crosswind, First Officer as Pilot Flying

A

20 KTS

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36
Q

T6 Maximum Temperature Warning light on at:

A

816°C

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37
Q

Maximum demonstrated Crosswind component

A

30 KTS

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38
Q

Maximum Cruise Torque Np at 85%

A

84% Tq

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39
Q

Circling Approach Airspeed

A

135 KIAS

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41
Q

Maximum wiper speed

A

160 KIAS

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42
Q

Minimum Operating Temperature

A

-54°C

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43
Q

Maximum Start Temperature (20 seconds)

A

816 - 850°C

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44
Q

Minimum Single Engine Autopilot Speed

A

120 KIAS

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45
Q

When does the APU shut down automatically in flight?

A
  1. Generator Overvoltage

Or

  1. Overspeed
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46
Q

For advanced SWS activation:

Pusher senses flaps?

Shaker senses flaps?

A

Pusher flaps 0°

Shaker flaps 45°

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47
Q

QRH Memory Item:

Emergency Evacuation

A
  1. Parking Brake…On
  2. Pressurization System…Dump
  3. Condition Levers…Fuel Cut-Off
  4. Engine Fire Handles…Squeeze & Pull
  5. Agent A & B (if necessary)…Discharge
  6. APU Shutoff/Extg Switch…Close
  7. APU Shutoff/Extg Switch (if necessary)…EXTG
  8. EMER lights.…ON
  9. Evacuation PA…Initiate
  10. Power Select Switch, Backup Battery…OFF
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48
Q

Propeller Heat Cycle - COLD

A

ON… 20 seconds

OFF… 60 seconds

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49
Q

Maximum cabin differential pressure

A

7.2 psi

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50
Q

Minimum Nh for Operation of Deice Equipment

A

80% Nh

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53
Q

Total Fuel per Tank

A

2,866 lbs

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54
Q

Flaps 45 Approach Airspeed

A

Vref + 10 KTS

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55
Q

Maximum Ramp Weight

A

26,609 lbs

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56
Q

Maximum Np for Ground Operations

A

65% Np

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57
Q

Vfe 45°

A

135 KIAS

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58
Q

When does backup battery power the Standby Attitude Indicator?

A

When Emergency Bus drops to less than19 Volts

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59
Q

What overrides GPU Power

A

Main Gen power

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60
Q

Minimum O2 for dispatch: Cabin Portable Bottle

A

1200 psi

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61
Q

Vfe 15° EMB

Vfe 15° SKW

A

EMB 200 KIAS

SKW 180 KIAS

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62
Q

When to use Ignition?

A
  1. Icing Conditions
  2. Moderate/Severe Turbulence
  3. Contaminated Runways
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63
Q

Va

A

200 KIAS

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64
Q

Minimum Oil Temperature to Feather Propeller

A

10°C

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65
Q

When should oil level be checked after engine shutdown?

A

Ideally 15-25 minutes

Limitation 10-30 minutes

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66
Q

HOLDING

Minimum airspeed?
Maximum bank angle?
Minimum Np & Nh in icing?

A

170 KIAS
30° bank
Ice- min Np = 85%
Min Nh = 80%

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67
Q

Maximum Transient Torque

Up to ____ seconds

A

120% up to 20 seconds

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68
Q

Maximum Emergency Takeoff Power T6 Temperature

? Minutes

A

816°C for 5 minutes

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69
Q

Maximum Operating Altitude:

EEC On, Engine Bleed Closed

A

FL 250

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70
Q

Minimum Np for Takeoff

A

99.5%

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71
Q

Main Generators Maximum Amperage

A

400 Amps

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72
Q

Maximum Tailwind Component

A

10 KTS

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73
Q

Prop Heat Cycle

NORM

A

ON……10 seconds

OFF……60 seconds

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74
Q

Minimum O2 for Dispatch:

Main Bottle without passengers

A

800 PSI

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76
Q

Maximum Operating Temperature with

EFIS

A

ISA + 35°C

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77
Q

Prop Tip Clearance

A

18 Inches

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78
Q

Normal Passenger O2

A

1850 PSI at 21°C

79
Q

QRC Memory Items:

Electric Trim Runaway

A
  1. Electric Trim Wheel…Hold
  2. AP/TRIM/PUSHER DISC switch…Press & Hold
  3. Autopilot transfer switch…Press
80
Q

Maximum Amps for Main Generators

Above ___ ft or ISA+___°C

A

380 Amps

Above 27,000ft or ISA+27°C

81
Q

Maximum APU Amps

Up to ISA+35°C
Above ISA+35°C

A

Up to ISA+35°C:
16,000ft……290 A

Above ISA+35°C:
15,000ft……280 A

82
Q

Cold Weather starter limit

A

Oil temperature < 10°C

2 Start Attempts

30 sec On……3 min Off
30 sec On……3 min Off

83
Q

What Accessories are on the RGB?

6 items

A
  • Prop Control Unit (PCU)
  • PCU Oil Pump
  • Aux Feather Pump
  • Overspeed Governor
  • Mechanical Hydraulic Pump
  • Aux Electrical Generators

(On the power turbine)

84
Q

What is the Maximum Nh limit when Power Levers are at Flight Idle?

A

Nh less than or equal to 75%

85
Q

What accessories are driven by the TMM?

5 items

A
  • Air/Oil Separator
  • Oil Pump Pack
  • Starter/Generator
  • Mechanical Fuel Pump
  • HMU (Tq motor, Enrichment Solenoid Valve, etc)

(On the high pressure turbine)

86
Q

Maximum Continuous Oil Pressure for Takeoff

A

55 to 65 psid

Green Arc

87
Q

When Power Levers are at Flight Idle & Nh < 75%:

What is the oil pressure limitation?

A

40 to 55 psid

Lower red line and lower yellow arc caution range

88
Q

Maximum Main Tire Speed

A

165 KTS

89
Q

CREW OXY light on the MAP means?

A

O2 Cylinder Pressure below 375 psi

= 35 minutes for Capt, FO, & Observer

90
Q

Main Tire Hydroplane Speed

A

103 KTS

91
Q

P3 Bleed Air is used for?

6 items

A
  • Pressurization/environmental
  • Vacuum for Pressurization
  • Pneumatic Deice
  • Hydraulic Reservoir Pressurization
  • Engine Labyrinth Seals
  • 109% Overspeed Protection
92
Q

Nose Tire Hydroplane Speed

A

80 KTS

93
Q

APU Fuel Consumption

A

Generator = 70 pph

Bleed = 120 pph

Gen & Bleed = 130 pph

94
Q

VDP Calculation

A

DME- HAT/300 = distance from threshold

TIME- 300 ft/NM 10% of HAT , seconds FAF to MAP

(Last glance VDP 400 ft/NM) HAT/400

95
Q

When is cold weather preflight required?

6 items

A
  1. OAT less than or equal to 5°C
  2. Wing fuel temp less than or = 0°C
  3. OAT less than or = 10°C & snow, water, or frost is present on the ground
  4. Frost
  5. Thru flight w/residual ice on aircraft
  6. Fuel Tank Area Cold Soak -frost on wings OR OAT near 0°C & dew pt. spread is less than or = 3°
96
Q

What is a total EEC failure?

A
  1. Torque Motor Closes
  2. HMU Solenoid Valve is DEPOWERED OPEN

-Red EEC light, audio “Engine Control”, White MANUAL light on

97
Q

HMU Solenoid Valve fails to close descending thru 14,000ft

A

•Fails in CLOSED position (still energized)

  • HMU Solenoid failed to de-power OPEN or
  • Valve mechanically stuck
  1. Altitude < or = FL 250
  2. Torque > or = 20% (valve may be stuck in high altitude lean position)

Red EEC light + “Engine Control”

98
Q

White MANUAL light

A

= Torque Motor Closed

Total EEC failure

99
Q

Minimum O2 for dispatch:

Main bottle PSI with passengers

A

1,400 PSI

100
Q

Maximum APU Operating Temperatures

above ___ altitude

A

Can operate APU up to 16,000ft when OAT is less than or = to ISA + 38°C.

Can operate APU above 16,000ft when OAT is less than or = to ISA + 35°C

101
Q

Maximum Amps for Auxiliary Generator

Above ___ Altitude?

A

140 Amps above FL 180

102
Q

What is the minimum oil pressure when the Power Levers are at Ground Idle?

A

40 psid

Lower Red line

103
Q

What is the maximum continuous oil temperature for takeoff?

118A

A

45°C to 115°C

104
Q

What calculated torque is take off not allowed?

A

Tq < 65%

105
Q

What is the maximum transient oil temperature?

(for ___ minutes)

(118A)

A

115°C to 125°C

For 20 minutes

106
Q

How to feather the propeller?

A

-Manual Feather w/Condition Levers
•PCU Pump & Manual Feather Valve

-Autofeather
-Engine Fire Handle
-Electric Feather Switch
•Aux Feather Pump & Feather Solenoid Valve

107
Q

Take off and landing contaminated runway restrictions

A

DRY SNOW• > 6500ft runway = 4 in
Less than or = 6500ft runway = 2 in

WET SNOW• > 6500ft runway = 2 in
Less than or = 6500ft runway = 1in

SLUSH/STANDING H2O•
> 6500ft runway = 1in
less than or = 6500ft = 1/2 in

108
Q

Engine Start- Ignition Light does not go out at 50%

A
  1. Start Switch…Abort
  2. Elec EMERG Switch…EMERG
    Bus Ties 1 & 2…OFF
    -verify Ignition Light out
3. Power Select Switch…OFF
R+L Main Gens…OFF
R+L Aux Gens…OFF
APU Gen…OFF
Condition Levers…Fuel Cut-Off
109
Q

Maximum Cruise Torque when Np at 100%

A

72% Tq

110
Q

What are conducive icing conditions?

A

OAT is 10°C or below & visible moisture on the ground

111
Q

Maximum transient Np

A

110% for 20 seconds

112
Q

Np Overspeed Oil Pressure Limitation

A

103%

113
Q

Vb

turbulent air penetration speed

A

175 KIAS

114
Q

Engine Start Abort

A
  • Condition Lever…Fuel Cut-off
  • Peak T6…Note
  • Ignition Switch…OFF, verify ignition light out
  • Start Switch…ABORT, check decrease Nh & T6
  • Ignition Switch…AUTO
115
Q

FAR Maximum Holding Speeds

A

Sea Level to 6,000ft = 200 KIAS
6,001 to 14,000ft = 230 KIAS
14,001 + = 265 KIAS

116
Q

Vmo at what altitude?

A

272 KIAS at 13,000 ft

117
Q

Gusty wind conditions approach speed

A

Add 50% of gust factor to Vref

If >130 KTS, fly faster airspeed not to exceed Vfe

118
Q

Maximum emergency torque for takeoff

A

110% for 5 minutes

119
Q

Emergency Fuel (at Max landing weight)

A

500 lbs

121
Q

When does the autofeather activate?

A

When one torque drops below 22%

122
Q

Maximum Operating Altitudes:

EEC Off, Engine Bleed Open

A

FL 250

123
Q

Max cargo weight

700 Kg mod

A

1543 lbs

124
Q

Items the fire handle activates

A
  1. Fuel shut off valve
  2. Hydraulic shut off valve
  3. Bleed air valve
  4. Engine Deice valve
  5. Electric feather system
126
Q

When is pusher inhibited?

A

Five seconds after takeoff
&
Greater than 173 KIAS

127
Q

Hot battery bus items (7)

A
  1. Main Cabin Door
  2. Courtesy Lights
  3. Auto Transfer
  4. DC Indicator
  5. Fire Extinguising
  6. Fuel Shutoff Valve
  7. Hydraulic Shutoff Valve
128
Q

Maximum fuel imbalance

A

600 lbs

129
Q

Maximum APU EGT at Idle

A

RPM > 90% = 732°C

130
Q

Maximum continuous Nh limit

118A

A

102%

131
Q

What speed does Pusher arm?

A

Below 153 KIAS

132
Q

Cabin altitude MAP light

A

10,000 ft cabin pressure altitude

133
Q

Battery temperature warning

A

70°C

134
Q

Maximum takeoff and landing pressure altitude

A

EEC On - Max 8,000 ft PA

EEC Off - Max 10,000 ft PA

135
Q

Maximum zero fuel weight

A

24,030 lbs

136
Q

Nose wheel steering Tiller °

Nose wheel steering Rudder Pedal °

A

50°

7°

137
Q

Auxiliary Generator on at ___ Np?

A

70%

138
Q

How much fuel do you add to Unusable Fuel when main ejector pump is inoperative?

A

Add 79.6 lbs

to 24 lbs unusable

139
Q

What overrides APU power?

A

GPU power

140
Q

Min/Max AIRSPEEDS for APU Air Start

A

Min = 135 KIAS

Max = 200 KIAS

141
Q

What percentage do generators parallel each other?

A

Within 10% of each other

142
Q

Starter attempt limits

A
  1. 30 sec on…3 min Off
  2. 30 sec on…3 min Off
  3. 30 sec on…30 min Off
143
Q

Maximum Takeoff Weight

A

26,433 lbs

144
Q

How long should Propeller be Feathered before shutdown?

A

20 seconds

145
Q

What altitude does cabin pressurize to on takeoff?

A

-300 ft below field elevation

146
Q

Ground Idle EEC On:

Condition Lever Nh Min-Max?

A

Min- 62%

Max 72%

147
Q

Minimum ILS Coupled Autopilot Altitude

A

200 ft AGL

148
Q

Engine Inlet Intake Deice Boot Cycle

A

6 sec ON, 174 sec OFF

3 min

149
Q

When does Autofeather arm?

A
  1. Autofeather switch ON
  2. Both power levers beyond 62°
  3. Both engines Torque > 62% within 8 seconds
150
Q

Straight-in Flaps 25° approach airspeed

A

130 KIAS

151
Q

Electric Feather Pump Duty Cycle

A

20 seconds on,

6 consecutive cycles

152
Q

Landing Gear Warning inhibited how long after takeoff?

A

60 seconds

153
Q

Emergency Lights Battery

A

17 MINUTES to discharge

22 HOURS to recharge

154
Q

Maximum Operating Temperature:

FIS

A

ISA + 38°C

155
Q

APU Starter Limits

A 
4 attempts:
30 sec ON……3 min OFF
30 sec ON……3 min OFF
30 sec ON……3 min OFF
30 sec ON……30 min OFF
156
Q

Cabin Rate Knob:

Climb detent?
Descent detent?

A 
Climb = 650 fpm
Descent = 450 fpm
157
Q

What speed is Anti-skid deactivated?

A

6 KTS

158
Q

Deice boot time cycle

A

6 sec On, 54 sec Off

159
Q

Minimum Fuel (at Max landing weight)

A

750 lbs

160
Q

Minimum Np for icing conditions

A

85% Np

162
Q

Minimum Oil Temperature to UNFEATHER the propeller

A

0° C

163
Q

Number of emergency exits

A

6 total

2 DV Windows, Main Cabin Door, 2 overwing in row 6, one in row 9

164
Q

Maximum Start Temperature

5 sec max

A

850°C to 950°C

165
Q

Normal cabin Differential Pressure

A

7.0 psi

166
Q

When does APU start contact engage?

A

0 to 50%

167
Q

Maximum Amps for AUX Generator

A

150 Amps

168
Q

Inward Pressure Relief at:

A

-0.3 psi

169
Q

Maximum Landing Weight

A

25,794 lbs

170
Q

Maximum Cruise Torque Np at 80%

A

84% Tq

171
Q

Skywest T6 climb limit

A

720°C

172
Q

Avionics remaining in DC Electrical EMERG mode

A

ADF 1
Transponder 1
VHF 1

173
Q

Blue Hydraulic System powers:

5

A
  1. Inboard Brakes
  2. Inboard Flaps
  3. Nacelle Flaps
  4. Emergency/Parking Brake
  5. Rudder
174
Q

Roll Upset Recovery

A
  • Roll Control Sluggish
  • Tendency to over control
  • High control forces

Recovery:

  1. reduce AOA using pitch
  2. Apply power as necessary
  3. Do not change configuration
  4. Altitude loss is expected
175
Q

Maximum Nose Tire Speed

A

183 KTS

176
Q

V lo/le

A

200 KIAS

177
Q

Minimum\maximum altitudes for APU air start

A

-1000ft to 20,000 ft

179
Q

Maximum Np reverse

A

80.5%

180
Q

QRH memory items:

Cabin fire or smoke

A
  1. O2 masks…Don, select 100%
  2. Recirc & Gasper Fans…Off
  3. Smoke Goggles…Don
  4. Crew Communication…Establish
181
Q

Np Overspeed Fuel Flow Limitation

A

109%

182
Q

Rudder Green System Disabled at what Airspeed?

A

Greater than 120 KIAS

184
Q

APU Maximum EGT during start

A

Rpm < 50% = 974°C

192
Q

What is an EEC fail fix?

A
  • Occurs below 14,000ft
  • Loss if a peripheral sensor
  1. Torque motor freezes
  2. Red EEC light illuminates
  3. Audio “Engine Control”
194
Q

What are the functions of the backup battery?

A
  1. Stabilize current.

2. Power the standby attitude indicator when EMER BUS drops below 19V

EMB-120 Limitations (2 decks)

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