Q400 Limitations Flashcards
Length of wing span
93’ 3”
Propellor diameter
13’ 6”
Dimension of propellor clearance to ground
3’ 3”
Dimension of nose to propellor
36’ 10”
Fuselage length
107’ 9”
Fuselage height
27’ 4”
Inner gear turn radius
4’ 9”
Outer gear turn radius
33’ 10”
Nose gear turn radius
50’ 7”
Wing tip turn radius
64’ 9”
Nose turn radius
54’ 10”
Elevator turn radius
62’ 9”
HGW Aircraft serial numbers
4181 and 4186
HGW Ramp weight
64700
HGW Take off weight
64500
HGW Landing weight
61750
HGW Zero fuel weight
57000
EGW Ramp weight
65400
EGW Takeoff weight
65200
EGW Landing weight
62000
EGW Zero fuel weight
58000
CG HGW fwd limit up to 53000lbs
13.8% mac
CG HGW fwd limit 53000lbs - 64500lbs
13.8% - 17.4% mac
CG HGW aft limit
36% mac
CG EGW fwd limit up to 53000lbs
13.8% mac
CG EGW fwd limit 53000lbs - 65200lbs
13.8% - 17.7% mac
CG EGW aft limit
36% mac
Maneuvering Limit load factor flaps retracted
+2.5G / -1G
Maneuvering Limit load factor flaps extended
+2G / -0G
Min fuel imbalance
600lbs
Vmo up to 8000’
245 kias
Vmo 10000’
282 kias
Vmo 18000’
286 kias
Vmo 20000’
275 kias
Vmo 25000’
248 kias
Min speed flaps 0º
175 kias
Min speed flaps 5º
160 kias
Min speed flaps 10º
150 kias
Min speed flaps 15º
145 kias
Vfe 5º
200 kias
Vfe 10º
181 kias
Vfe 15º
172 kias
Vfe 35º
158 kias
Va
204 kias
VLo
200 kias
VLe
215 kias
Rough Air Speed
210 kias
Alternate gear extension speed
185 kias
Max operating altitude
25000’
Max takeoff/landing altitude
10000’
Approach category and CAT minimums
category C CAT1
Max/Min runway slope
+2/-2%
Max tailwind takeoff flaps 10º-15º
20 kts
Max tailwind takeoff flaps 5º
10 kts
Max tailwind landing flaps 35º
20 kts
Max tailwind landing flaps 10º-15º
10 kts
Final segment flap setting limit
15º
Minimum runway width
100’
Minimum runway width plowed runway
75’
Minimum runway width plowed taxiway
50’
X-wind component hard, dry, or wet runway
32 kts
Dry loose snow height takeoff/landing limit
4” takeoff / 5.1” landing
X-wind component dry loose snow
18 kts (R)
X-wind component standing water, slush, wet snow
14 kts (R)
Standing water limit
1/4”
Standing slush limit
1/2”
Wet snow limit
3/4”
Max ambient temp limit
50ºC or ISA +35
Min ambient temp limit
-54ºC
Display warmup period
> 3hrs ≤-15ºC
Static takeoff limit
X-wind >45º >8kts
Taxi limitation single engine and reverse thrust
Not authorized except exiting runway on single engine landing
Tank aux pumps for takeoff and landing
ON
Fuel heater temp limit
0ºC - 71ºC
Min oil pressure
44psi
Normal oil pressure
61 - 72psi
Transient minimum pressure
44 - 61psi
Min oil temp for start
-40ºC
Min oil temp above flight idle
0ºC
Min oil temp ground idle
-40ºC
Max oil temp continuous
107ºC
Max oil temp PLA DISC - FLT idle
125ºC
Min oil temp above ground idle
0ºC
Min oil temp above ground idle icing conditions
takeoff 55ºC / ≥3 min of flight 65ºC
APU must be…
Shut down prior to takeoff, attended with pax onboard, attended while pressure refueling.
APU N/A
during flight or gravity refueling
APU ambient temperature min/max ambient temp limit
-35ºC / +50ºC or ISA +35
APU installed louvers temp limit
21ºC
APU starter limits
60sec ON 2min OFF
60sec ON 2min OFF
60sec ON 30min OFF
Thereafter maintenance required
Propellor manufacturer and model
Dowty Aerospace R408
Powerplant manufacturer and model
Pratt and Whitney PW150A
Powerplant ambient limit
-54ºC / +50 or ISA+35ºC
Bypass doors open, MTOP, MCP ambient temp limit
ISA +25
Max altitude for air start
20000’
Automatic takeoff power uptrim
10% torque
MTOP
5071 SHP / 106% TRQ
NTOP
4580 SHP / 90.3% TRQ
MCP
100% TRQ
MTOP settings (limited to...) TRQ % ITT ºC NL %RPM NH %RPM NP RPM (max continuous overspeed) Oil press range Oil temp range
Limited to 5min TRQ: 106% ITT: 880ºC NL: 100%rpm NH: 100%rpm NP: 1020rpm (max continuous overspeed 1071) Oil Press: 61-72psi Oil Temp: 0º-107ºC
NTOP settings TRQ % ITT ºC NL %RPM NH %RPM NP RPM (max continuous overspeed) Oil press range Oil temp range
TRQ: 90.3% ITT: Variation with ambient air temp NL: Variation with ambient air temp NH: Variation with ambient air temp NP: 1020rpm (max continuous overspeed 1071) Oil Press: 61-72psi Oil Temp: 0º-107ºC
MCP settings TRQ % ITT ºC NL %RPM NH %RPM NP RPM (max continuous overspeed) Oil press range Oil temp range
TRQ: 100% ITT: 880ºC NL: 100%rpm NH: 100%rpm NP: 1020rpm (max continuous overspeed 1071) Oil Press: 61-72psi Oil Temp: 0º-107ºC
Starting settings
Max ITT ºC (time limit)
Max oil press (disc’ing below 0ºC)
Min oil temp
ITT: 920ºC (20sec)
Max Oil press: 100psi (165psi when disc’ing below 0ºC)
Min Oil temp: -40ºC
Transient settings (limited to...) TRQ % ITT ºC NL %RPM NH %RPM NP RPM Oil press range Oil temp limit (time limit)
Limited to 5min TRQ: 135% ITT: 920ºC NL: 102.3%rpm NH: 101.3%rpm NP: 1173rpm Oil Press: 44-61psi and 72-100psi Oil Temp: 125º (5sec max for TRQ values >FLT idle <55%)
Max reverse settings TRQ % ITT ºC NL %RPM NH %RPM NP RPM Oil press range Oil temp range
TRQ: 35% ITT: 880ºC NL: 100%rpm NH: 100%rpm NP: 1020rpm Oil Press: 61-72psi Oil Temp: 0º-107ºC
Starter cranking limits
70sec ON / 2min OFF
70sec ON / 2min OFF
70sec ON / 30min OFF
Wide cut fuel types are…
Prohibited
Usable fuel
5862lbs / tank
Max engine torque on ground
100%
Max engine NH on ground
64.2%
Max X-wind at 30º
50kts (mx action required)
Max power setting when maneuvering on ground
Wind speed: 9-20kts
FLT Idle (momentarily increase for acceleration)
Max power setting when maneuvering on ground
Wind speed: 21-35kts
FLT Idle
Max power setting when maneuvering on ground
Wind speed: 36-50kts
Flight Idle (disc when static)
Max power setting when STATIC on ground
Wind speed: 9-20kts
≤60ºPLA
Max power setting when STATIC on ground
Wind speed: 21-35kts
FLT Idle
Max power setting when STATIC on ground
Wind speed: 36-50kts
DISC
Power lever aft of flight idle in flight is…
Prohibited
Min SATºC for engine relight
-40ºC
Max batt load meter reading for takeoff
Min batt temp for takeoff
- 1
- 20ºC
Max load air/ground for AC/DC gen and TRU
1.0
Max altitude for extending landing gear and flaps
15000’
Max tire speed
182kts groundspeed
Normal cabin press diff limit
5.46 +/- 0.1psi
Max cabin press diff limit
5.95psi
Max cabin press diff limit taxi/takeoff/landing
0.5psi
Max cabin altitude
8000’
Observe brake cooling between
Landing/rejected takeoff and subsequent takeoff
Airframe mode select switch in icing conditions
FAST
Icing conditions exist when?
SAT is ≤10ºC on ground visible moisture or contaminated runways or ≤5ºC in flight with visible moisture
Autopilot engaged approaches approved for all flap configurations with a height limitation of ___ for
Flap 0º
1000’agl
Autopilot must be disengaged
Severe icing
Severe turbulence
200’agl
1000’agl or FAF which ever is lower during SE approach
Autopilot cannot be engaged until
1000’agl on takeoff or missed approach
Autopilot is not approved for
Approaches other than CAT1
VOR without DME function
Autopilot and FD approved for glideslope angles between…
2.5º-4º
Use of VS mode
Prohibited for climb (R)
Max flight time to suitable airport for landing if cargo is in FWD/AFT or either
1hr
Cockpit speakers configuration
HOT MIC OFF Pilot/Copilot
Observer audio panel INT/RAD Centered
ISIS flight time limitation
45min
PFD MFD ED cycle limitation
Once every 24hrs
Oxygen required for dispatch portable bottle
1600psi
Oxygen required for dispatch 3 crew
1450psi
Oxygen required for dispatch 2 crew
1050psi
Derived dip down for RNAV approaches
MDA +50’
VNAV vertical path angle limits enroute and approach
6º enroute
4º approach
Route of flight limitation
within 1hr of a suitable airport with still air normal speed one engine inoperative
Takeoff alternate distance
250NM
Landing light limitation
5min (R)
