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EMB-120 Limitations 2010

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Terms

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ramp weight
26,609lb
T/O WEIGHT
26,433LB
LND WEIGHT
25,794LB
ZERO FUEL WEIGHT
24,030LB
CARGO WEIGHT
1,543LB
VMO AT 13,000FT
272 KIAS
Va
200KIAS
Vb
175 KIAS
Vlo/Vle
200 KIAS
FLAPS 15
180 KIAS
FLAPS 25
150 KIAS
FLAPS 45
135 KIAS
MAX WIPER SPEED
160 KIAS
MAX DV WINDOW OPEN SPEED
140 KIAS
MAX TAILWIND COMPONENT
10 KTS
MIN S/E A/P SPEED
120 KIAS
MAX DEMO X-WIND
30 KTS
MIN ILS COUPLED A/P ALT.
200FT AGL
# OF EMER EXITS (+FLT DECK)
4 (6)
EEC ON, ENG BLEED OPEN ALT.
FL320
EEC ON, ENG BLEED CLSD ALT.
EEC OFF, ENG BLEED OPEN ALT.
FL250
EEC OFF, ENG BLEED CLSD ALT.
FL200
MAX T/O & LND ALT.
EEC OFF
10,000FT
MAX T/O & LND ALT.
EEC ON
8,000FT
RVSM RESTRICTION
FL280
MIN OPERATING TEMP
-54C
MAX EFIS TEMP
ISA+35C
MAX FIS TEMP
ISA+38C
T/O MAX CONT T6 LIMIT
800C
T/O EMER 5 MIN MAX T6 LIMIT
816C
START: 816C-850C T6 LIMIT
20 SEC
START:850C-950C T6 LIMIT
5 SEC
T6 WARNING AT
816C
SKYWEST T6 CLIMB LIMIT
720C
T/O MAX CONT TORQUE LIMIT
100%
T/O EMER 5 MIN MAX TORQUE LIMIT
110%
TRANSIENT (UP TO 20SEC) TORQUE LIMIT
120%
CRUISE MAX TORQUE
NP AT 100%
72%
CRUISE MAX TORQUE
NP AT 90%
80%
CRUISE MAX TORQUE
NP AT 85%
84%
CRUISE MAX TORQUE
NP AT 80%
84%
NH LIMIT
T/O MAX CONT (118A)
102%
NH LIMIT
MIN NH FOR OPS OF DEICE EQUIP
80%
NP LIMIT
MAX CONT
&
MAX CONT TOLERANCE
100%

100%-101.0%
NP LIMIT
TRANSIENT (UP TO 20 SEC)
110%
NP LIMIT
MAX REVERSE
80.5%
NP LIMIT
MAX GROUND OPS
65%
NP LIMIT
MIN FOR T/O
99.5%
MAX SPEED FOR SETTING NP TO 100%
200 KIAS
MIN NP IN ICING COND
85%
NP LIMIT
AUX GEN ENERGIZED AT
70%
OVERSPEED LIMITED BY:
OIL PRESS
103%
OVERSPEED LIMITED BY:
FUEL FLOW
109%
OVERSPEED LIMITED BY:
GROUND IDLE, EEC ON
CL MIN
NH-62%, NP-50%
OVERSPEED LIMITED BY:
GROUND IDLE, EEC ON
CL MAX
NH-72%, NP-65%
OVERSPEED LIMITED BY:
GROUND IDLE, EEC OFF:
NH > 50%
MIN START OIL TEMP (RED RADIAL)
-40C
T/O MAX CONT OIL TEMP (118A)
45C-115C
MIN OIL TEMP TO UNFEATHER PROP
0 DEGREES C
MIN OIL TEMP TO FEATHER PROP
10C
MIN GROUND IDLE OIL PRESS
(RED RADIAL)
40 PSID
T/O MAX CONT OIL PRESS
55-65 PSID
ELEC FEATHER PUMP DUTY CYCLE OIL PRESS
20 SEC/6 CONSECUTIVE CYCLES
PROP TIP CLEARANCE
18in
PROP FEATHER BEFORE SHUTDOWN
20 SEC
AUTOFEATHER ARMS AT:
POWER LEVER ANGLE
& TORQUE OF
62 DEGREES
62%
AUTOFEATHER ACTIVATES WHEN 1 TORQUE DROPS BELOW:
22%
AUTOFEATHER ARMS AT:
WHITE IGNITION LIGHT ON FROM
0-50%
STARTER LIMITS
1ST:30 SEC ON...3MIN OFF 2ND:30 SEC ON...3MIN OFF 3RD:30 SEC ON...30MIN OFF & COLD WEATHER (OIL TEMP
NORM BATT VOLTS
24V
MINN BATT VOLTS FOR APU START
22V
HOT BATT BUS ITEMS
DOOR
COURTESY LIGHTS
AUTO TXFER
DC INDICATOR
FIRE EXT.
FUEL SOV
HYD SOV
MAIN GENS MAX AMPS
400A
MAIN GENS AMPS >27,000FT OR ISA+27C
380A
AUX GENS AMPS
150A
AUX GENS AMPS >18,000FT
140A
BATT TEMP WARNING
70C
GPU POWER OVERRIDES
APU POWER
MAIN GEN POWER OVERRIDES
GPU POWER
BACKUP BATT
24V 5A

POWERS STBY AI & STBY GYRO WHEN EMER BUS DROPS BELOW 19V

STABALIZES CURRENT
GENS PARALLEL WITH
10% OF EACH OTHER
TOTAL FUEL PER TANK
2866LB
MAX FUEL IMBALANCE
600LB
UNUSABLE FUEL PER WING
24LB
DRIPLESS FUEL STICKS PER WING
4
WHEN MAIN EJECTOR PUMP INOP ADD ____ TO UNUSABLE FUEL PER WING
79.6LB
ANTI-SKID DISABLED BELOW
6 KNOTS
BRAKING NOT POSSIBLE ON LANDING UNTIL WHEEL SPEED...
IS 50 KNOTS OR 3 SEC AFTER TOUCHDOWN, WHICHEVER OCCURS FIRST
AFTER T/O, LANDING GEAR WARNING INHIBITED FOR
1 MIN
AFTER T/O, PUSHER INHIBITED FOR
5 SEC AFTER T/O AND AGAIN ABOVE 173 KNOTS
PUSHER ARMED BELOW
153 KIAS
NWS TILLER ANGLE
50 DEGREES
NWS RUDDER PEDAL ANGLE
7 DEGREES
RUDDER GREEN SYSTEM DISABLED
>120 KIAS
BLUE HYD SYSTEM SERVICES:
INBD BRAKES
INBD FLAPS
NAC FLAPS
EMER BRAKES
RUDDER
MAX SPEED NOSE TIRES
183 KTS
MAX SPEED MAIN TIRES
165 KTS
HYDROPLANE NOSE TIRES
80 KTS
HYDROPLANE MAIN TIRES
103 KTS
APU STARTER LIMITS:
1ST:30 SEC ON...3MIN OFF
2ND:30 SEC ON...3MIN OFF
3RD:30 SEC ON...3MIN OFF
4TH:30 SEC ON...30MIN OFF
APU AUTO SHUTDOWN IN FLIGHT
GEN OVERVOLTAGE
OVERSPEED
APU START CONTACT ENGAGED FROM...
0-50%
WHAT IS THE BRAND OF APU AND WHAT IS ITS MAX OPERATING TEMP
GARRETT

ISA+35C
APU GEN AMPS
400A
APU GEN AMPS >16,000FT
290A
APU GEN AMPS 15,000FT-16,000FT
280A
APU AIRSTART ALTITUDES
-1,000FT - 20,000FT
APU AIRSTART AIRSPEEDS
135-200 KIAS
FIRE HANDLE ACTIVATES
FUEL SOV
HYD SOV
BLEED SOV
ELEC FEATHER SYS
ENG DEICE VALVES
P3 AIR USED FOR
PRESSURIZATION/ENVIRONMENTAL
PNUEMATIC DEICE
HYD RESERVIOR PRESSURIZATION
ENG LABYRINTH SEALS
109% OVERSPEED PROTECTION
VACUUM FOR PRESSURIZATION
NORM CABIN DIFF PRESS
7.0 PSI
MAX CABIN DIFF PRESS
7.2 PSI
INWARD PRESS RELIEF AT
-0.3 PSI
ELEC PRESS CONTROLLER DUMP LIMIT
13,00FT
CABIN RATE KNOB DETENT
CLIMB
650 FPM
CABIN RATE KNOB DETENT
DESCENT
450 FPM
CABIN ALT LIGHT
10,000FT
CABIN PRESSURIZES TO _____FT BELOW FIELD ELEVATION ON T/O
-300FT
DEICE WING BOOTS CYCLE
ON 6 SEC
OFF 54 SEC
DEICE PROP BOOTS CYCLE
COLD:
ON 20 SEC
OFF 60 SEC
DEICE PROP BOOTS CYCLE
NORM:
ON 10SEC
OFF 60 SEC
DEICE INTAKE BOOT CYCLE
ON 6 SEC
OF 174 SEC (2MIN 54 SEC)
RUNWAY CONTAMINATION LIMITS DRY SNOW >6,500FT 6,500FT OR
4IN
2IN
RUNWAY CONTAMINATION LIMITS WET SNOW >6,500FT 6,500FT OR
2IN
1IN
RUNWAY CONTAMINATION LIMITS SLUSH/STANDING WATER >6,500FT 6,500FT OR
1IN
0.5IN
MIN OXY PSI FOR DISPATCH:
MAIN BOTTLE WITH PAX
1400 PSI
MIN OXY PSI FOR DISPATCH:
MAIN BOTTLE WITHOUT PAX
800 PSI
MIN OXY PSI FOR DISPATCH:
CABIN PORTABLE BOTTLE
1200 PSI
PAX OXY MASKS DROP AT
14,000FT CPA
CABI SMOKE OR FIRE:
TRIPLE CHIME
MASTER WARNING
"SMOKE" ALERT
SMOKE LIGHT ON MAP FLASHOING
VISIBLE FIRE/SMOKE IN CABIN OR FLIGHT DECK
CREW OXY MASK-DON, SELECT 100%
RECIRC & GASPER FAN-OFF
SMOKE GOGGLES-DON
CREW COMMS-ESTABLISH

select emerg as required to clear the mask & smoke goggles
RAPID DEPRESS
triple chime
master warning
"cabin" aural
CABIN ALT on MAP flashing
fog in flt deck/cabin
loud noise of depress
CREW OXY MASK-DON, SELECT 100%
CREW COMMS-ESTABLISH
PROP OVERSPEED-NP OVER 103%
T6 decreasing
torque decreasing towards 0%
NP increases toward 150%
NH decreasing
AFFECTED ENGINE:
POWER LEVER-FLT IDLE
COND LEVER-FEATHER, THEN CHECK
AIRSPEED-BELOW 180 KIAS
FLAPS-15
AIRSPEED-125 KIAS MINIMUM

in case no feathering observed:
ELEC FEATHER SWITCH-ON, THEN CHECK
EMER EVAC
if evac is not warranted, make PA announcement-"REMAIN SEATED" REPEAT 3 TIMES
PARKING BREAK-ON
PRESSURIZATION SYSTEM-DUMP
COND LEVERS-FUEL CUT OFF
FIRE HANDLES-SQUEEZ & PULL
AGENT A&Bif necessary-DISCHARG
APU SHUTOFF/EXTG-CLOSE
APU SHUTOFF/EXTGif necess-EXTG
EMER LIGHTS-ON
AVACUATION-INITIATE(
GREEN HYDRAULIC SYSTEM SERVICES:
a) Outbd brakes
b) Outbd flaps
c) Rudder
d) Lndg gear
e) Cabin door
f ) Steering
OIL PRESS POWER FLIGHT IDLE AND NH

40-55 PSID
OIL TEMP Limits Transient (20sec)
115-125C
APU Max Start EGT
< 50% 974C
APU Mac EGT
> 90% 732C
MIN ICING SPEED FLAPS 0
170 KIAS
ENGINE FAILURE, PROPELLER DID NOT FEATHER

-Aircraft performance/controllability is marginal
IDENTIFY THE AFFECTED ENGINE AND PROCEED:

POWER LEVER-FLT IDLE
CONDITION LEVER-FEATHER, THEN CHECK

In case no feathering is observed:

ELECTRIC FEATHER SWITCH-ON, THEN CHECK FEATHER






ELECTRIC TRIM RUNAWAY

Excessive trim wheel movement in one direction
ELEVATOR TRIM WHEEL-HOLD
AP/TRIM/PUSHER DISC-PRESS AND HOLD
AUTOPILOT TRANSFER SWITCH-PRESS
QRC - QUICK REFERENCE ITEMS
ENGINE FIRE ON THE GROUND
ENGINE FIRE IN FLIGHT
AUXILLARY POWER UNIT FIRE
CLASS-C BAGGAGE COMPARTMENT FIRE OR SMOKE
INADVERTENT PROPELLER FEATHER
BATTERY OVERHEAT
EMERGENCY DESCENT
WINDSHIELD OVERHEAT
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Deck Info

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