System Limitations Flashcards
Battery min temp
-20°c
Battery voltage
Min
22.5 v
Max engine start temp
815°c
Min engine oil temp
-40°c
Min oil pressure start
25 psi
Engine start cranking limits (ground)
Start 1and 2
3-5
90 seconds on 10 sec off
90 seconds on 5 mins off
Starter ranking limits in flight
Start 1 and 2
3-5
120 seconds on 10 sec off
120 seconds on 5 mins off
For ground starts max cumulative starter run time per start is
90 sec. Motoring plus start
For in flight starts max cumulative starter run time is
120 sec. Motoring plus start
Dry motoring
Attempts
1
2-5
90 sec on 5 min off
30 seconds on 5 min off
After 5 sequential dry motoring attempts, you may repeat process after
15 min cool down
Ground start with tailwind
If no positive increase in N1 before
Starter cutout at 50% N2
Must manually abort start
Takeoff with automatic thrust control system(attcs) OFF is
Not authorized
Fuel type allowed
Jet A
Jet A1
Max fuel capacity
20,935lb
Max fuel imbalance
794 lb
Min fuel tank temp
-40°c
Fuel cross feed for takeoff and landing must be
Off
APU
Wait ____ seconds after EICAS IS energized to start
30 seconds
APU
Do not leave running longer than ____ mins
Unattended
5 mins (sw)
APU START attempts
1 and 2
3 attempt
60 seconds off
5 minutes off
APU
MIN START TEMP
-54°c
APU
MAX TEMP START
ISA + 35°c
APU
MAX ALT START
30,000’
APU CONTINUOUS OPS
MIN TEMP
-54°c
APU CONTINUOUS OPS
MAX TEMP
Isa +35°c. (52°c)
APU CONTINUOUS OPS
MAX ALT
33,000
APU CONTINUOUS OPS
ELECTRICAL USE
MAX ALT
33,000
APU CONTINUOUS OPS
MAX ALT BLEED USE
15,000
APU CONTINUOUS OPS
MAX ALT ENGINE START
21,000
pressurization
Max diff up to 37,000
7.8 psi
Pressurization
Max diff above 37,000
8.34 psi
Pressurization
Max diff over press.
8.77 psi
Pressurization
Max neg diff
-.5 psi
Pressurization
Max diff t/o and landing
.2 psi
Min hydraulic reservoir temp for eng start
-18°c
Brake temp indication must be in _____ for takeoff
Green range
Thrust reversers
After deployment
No go around
THRUST REVERSERS
After selection do not move thrust levers into forward thrust until
REV icon on EICAS is amber or green
Thrust reversers
Normal taxi ops are
Prohibited
THRUST REVERSERS
power back ops are
Prohibited
Icing conditions
On ground
TO DATASET MENU MUST BE SET TO ENG WHEN OAT IS
Between 5°- 10°C
Icing conditions
In flight
Eng and wings operate in auto mode. In case of failure of one or both ice detectors crew must set mode selector to ON when
Icing conditions exist or are anticipated below 10°C with visible moisture
Icing conditions
On ground
TO DATA SET menu must be set to ALL when
OAT IS BELOW 5°C in icing conditions
Icing conditions
ENG or All must be set when there is any possibility of encountering visible moisture up to ____
1700’AFE
When operating on ramps/ taxiways/ runways where surface snow/ ice/ standing water or slush may be ingested by engines or freeze on engines/ nacelles or probes
Icing conditions
May exist whenever OAT on ground or for takeoff or TAT In flight is 10°C or below and
Visible moisture is present ( clouds, fog with visibility of 1 mile or less, rain, snow, sleet, and ice crystals
Or
When operating on ramps/ taxiways/ runways where surface snow/ ice/ standing water or slush may be ingested by engines or freeze on engines/ nacelles or probes
Visible moisture is
clouds, fog with visibility of 1 mile or less, rain, snow, sleet, and ice crystals
AUTOPILOT
min engagement height
400’
Autopilot
Min use height
50’
Autopilot
Min use height non- precision
MDA
TAS,TAT, AND SAT are valid only above
60 kts
Standby compass is not valid when
Transmitting on VHF 1
Barometric altimeter minimums are used for all
Cat 1 approaches
Back course approaches using IESS ARE
Prohibited
Do not use terrain awareness system for
Navigation
When landing at airports that are not in the database
Manually inhibit predictive EGPWS to avoid unwanted alerts
Predictive EGPWS FUNCTIONS should be manually inhibited during QFE operations
If GPS data is unavailable or inop
RNP ops are
Not authorized per SW
FMS speed mode use is prohibited in the event
Of an engine failure
