BASIC LIMITS (2020) TEMPLATE DO NOT USE Flashcards
THESE ARE ALL THE LIMITS IN ORDER - DONT USE
Max operating alt
41,000’
Max altitude (Takeoff & Landing)
8,000’
Minimum Alt (Takeoff & Landing)
-1000’
Max Load Factor (Flaps UP)
2.5g to -1 g
Max Load Factor (Flaps Down)
+2 to 0 g
Max Rwy Slope
+/- 2 %
Approved Rwy Surface
Paved
Max Tailwind Takeoff & landing
10 kts
Max Crosswind Takeoff & Landing [Dry Rwy]
28kts gusts to 38 kts
Max Crosswind Takeoff & Landing [Wet]
28 kts
Max Crosswind Takeoff & Landing [Compacted Snow]
20 kts
Max Crosswind Takeoff & Landing [Standing Water]
18 kts
Max Crosswind Takeoff & Landing [Slush]
18 kts
Max Crosswind Takeoff & Landing [wet snow]
18 kts
Max Crosswind Takeoff & Landing [dry snow]
18 kts
Max Crosswind Takeoff & Landing [ice]
12 kts
Max Wind Limits Cat 2
25 kts HW, 10 kts TW, 12 kts Crosswind
Max Temp for takeoff and landing
ISA +35
Min Temp for TAKEOFF
- 40’ C
Max Taxi Speed (Straight DRY)
30 kts
Max Taxi Speed (Straight WET)
30 kts
Max Taxi Speed (Contaminated)
15 kts
Minimum Fit Speed All Altitudes
Except as described in normal/abnormal/emergency procedures, the airplane may never be operated below the ‘green dot’ speed.
VMO
320 kts
MMO
.82 mach
Max Turbulent Air Penetration Speed (Less than 10k’ MSL)
250 kts
Max Turbulent Air Penetration Speed (Greater than or equal to 10,000’ MSL)
270 kts / .76 Mach (whichever is less)
Min RAT Speed
130 Kts
Minimum Crew O2 Quantities - GREEN
Normal Operating Range (min for dispatch with 3 crewmembers on the flight deck)
Minimum Crew O2 Quantities - CYAN
Normal Operating Range (min for dispatch with 2 crewmembers on the flight deck)
Minimum Crew O2 Quantities - AMBER
Cautionary Operating Range (dispatch is not allowed)
Cabin Press Limits - UP TO 37,000’
7.8 psi
Cabin Press Limits - ABOVE 37,000’
8.3 psi
Max Differential Overpressure
8.7 psi
Max Differential Negative Pressure
- 0.5 psi
Max Differential Pressure for Takeoff and Landing
0.2 psi
Max alt for single pack operation
FL 310
Min height to engage autopilot on takeoff
Acceleration Altitude
Min height to engage autopilot on go-around
400’ agl
Min enroute height (Autopilot)
500’ agl
Min height for autopilot on non-precision approach
MDA
Min height for autopilot on precision approach
70’ AGL
Min height for autopilot on special instrument approach
as specified in the Procedure
Maintenance is required if the battery voltage is less than:
21 V
Min Battery Voltage
21 V
Min battery temperature for an APU start
- 20’ C
Taxi and Landing Light Limitation (Airplane Stopped)
When airplane is stopped, taxi and landing lights must be OFF
Taxi and Landing Light Limitation (Airplane Takeoff and in Flight)
For takeoff and in flight, the taxi nose light must be OFF
No Break Power Transfer Limits
Confirm power transfer on the Electrical Synoptic page or wait 10 seconds
Max altitude for flaps extended
20,000’
Flap Speed Limits (Flaps 1)
230 kts
Flap Speed Limits (Flaps 2)
215 kts
Flap Speed Limits (Flaps 3)
200 kts
Flap Speed Limits (Flaps 4)
180 kts
Flap Speed Limits (Flaps 5)
180 kts
Flap Speed Limits (Flaps Full)
165 kts
Flaps 4 limitation
Flaps 4 may be used for takeoff/go-around only. The use of FLAPS 4 during the approach and landing regime is prohibited.
Max usable fuel
20,785 lbs
Max fuel imbalance in flight
794 lbs
Min fuel tank temp
- 40’ C
Crossfeed limitation for takeoff & landing
During takeoff and landing the crossed selector knob must be OFF
Hydraulic System Limitations (Cold Weather)
A hydraulic system warm-up must be accomplished before starting the engines if the reservoir temperature are below - 18’ C
SLD Conditions - Freezing rain and freezing Drizzle
If abnormal ice formation is observed on areas of the airplane that do not usually accrete ice, the flight is operating in an SLD condition. Exit the SLD condition as soon as possible
MCDU TO DATASET MENU LIMITATIONS (Set to ENG)
The MCDU TO DATASET MENU must be set to ENG when SAT is 5’c to 10’c and: (1) If there is ANY possibility of encountering visible moisture up to 1700’ AFE or (2) Operating on ramps, taxiways, or runways where surface snow, ice, standing water, or slush may be ingested by the engines, or freeze on engines nacelles, or engine sensor probes.
MCDU TO DATASET MENU LIMITATIONS (Set to ALL)
The MCDU TO DATASET MENU must be set to ALL when SAT is less than 5’c and: (1) If there is ANY possibility of encountering visible moisture up to 1700’ AFE or (2) Operating on ramps, taxiways, or runways where surface snow, ice, standing water, or slush may be ingested by the engines, or freeze on engines nacelles, or engine sensor probes.
When do icing conditions exists?
Icing conditions exist in flight whenever the SAT on the ground or for takeoff, or TAT in flight, is 10’c or below and visible moisture in ANY form is present (such as clouds, fog with visibility of 1 mile or less, rain, snow sleet and ice crystals)
Ice Detector Failure Limitation
If either one or both ice detectors are failed, the crew must set the mode selector to ON when icing conditions exist OR are anticipated below 10’c TAT with visible moisture
Max speed - windshield wipers
250 kts
Landing Gear - VLO for extension
250 kts
Landing Gear - VLO for retraction
250 kts
Landing Gear - VLE
250 kts
Max ground speed - tires
195 kts
Min rwy / taxiway width for a 180’ turn (E175)
59’2”
Min rwy / taxiway width for a 180’ turn (E170)
54’8”
Baro Mins Limitation
Baro Altimeter minimums must be used for all Cat I approaches
VOR Flight Director Mode Limit
The VOR Flight Director mode is prohibited. This VOR flight director mode is inhibited. VOR navigation using the flight director must be predicated on HDG mode and VHF (Green) needles or LNAV mode (Magenta)
IESS Limitations
Back Course approaches using the IESS are prohibited
Min Temp for APU start
- 54’ C
Max Temp for APU start
ISA +35
Max Altitude for APU Start
30,000’
Max altitude for APU Generator
33,000’
Max altitude for using APU - Bleed Air
15,000’
Max Altitude for using APU - Assisted Eng Start
21,000’
Min battery voltage to start the APU
21V
APU Duty Starter Limitation
Start 1 & 2 (60 sec max - 60 sec cool down) Start 3 (60 sec max - 5 min cool down)
APU Start Limitations (During Engine Operation)
Before starting the APU after an Engine is shutdown: Wait for engine to go below - 30 % N2
Max ITT for engine start
815’c
ATTCS Limitation:
For TAKEOFF the ATTCS must be ON
Engine Warm Up and Cool down time limit
2 min
Eng Starter Duty Cycle Limits
Start 1 & 2 (90 sec (grd) 120 sec (flt) - 10 sec cool down) Starts 3 - 5 (90 sec (grd) 120 sec (flt) - 5 min cool down) - after 5 starts - need 15 min cool down
Powerback Operations Limits
Powerback Operations are Prohibited
Thrust Reverser Limits (IDLE)
The engines must be idle by 60 kts
Thrust Reverser Limits (Out of Reverse)
The engines must be out of reverse by 30 kts
Flex Temp Limitations
An assumed temp (flex) takeoff is not allowed if ANY of the following conditions exists:
- The rwy is contaminated
- The anti-skid system is ions
- The Takeoff performance section of the takeoff report does not include FLEX takeoff data
- Compass CCI pages prohibit an assumed temperature takeoff
- Any time LLWS is reported or present
- Any time there is significant weather which may produce wind shear (i.e. Thunderstorm)
- The PIC Determines the conditions for an assumed temperature takeoff are unsafe