DHC8  102 Limitations
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What is the Maximum Pamp Weight?
15740 kg/34700 lbs

What is the Maximum T/O weight?
15650 kg/34500 lbs

What is the Maximum LDG weight?
15380 kg/33900 lbs

What is the Maximum ZFW?
 14243 kg/31400 lbs
 Note: Only aircraft with Supplement 57 in a standard 37, 36 or 33 passenger configuration have increased 14243 kg ZFW.
 Otherwise Maximum ZFW is;
 14061 kg

What is the Minimum Structural Design Weight?
9710 kg/21400 lbs

What is the Foward CofG Limits?
 Up to 12700 kg/2800 lbs  15% MAC (390.46in/9918mm aft of reference datum)
 12700 kg/28000 lbs to 14520 kg/32000 lbs  15% to 20% MAC (390.46in/9918mm to 394.81in/10028mm aft of reference datum)
 14520 kg/32000 lbs to 15650 kg/34500 lbs  20% to 21% MAC (394.81in/10028mm to 395.68in/10050mm aft of reference datum)
 Linear variation between points

What is the Aft CofG Limits?
All Weights  38% MAC (410.47in/10426mm aft of reference datum)

What is the Maximum limit in the baggage compartment (Hold 0 + Hold 6)?
 Total (Both Holds)  907 kgs
 Hold 0  Maximum 454 kgs
 Hold 6  Maximum 907 kgs

What is the Manoeuvring Limit Load Factors  Flaps Retracted?

What is the Manoeuvring Limit Load Factors  Flaps Extended?

What is the Maximum Lateral Fuel Imbalance?
270 kg/600 lbs between fuel tanks

What is the Maximum passenger cabin overhead locker weight limits?
 Pre 1990 (Downwards opening locker)
 Large  18 kg
 Small  11 kg
 Post 1990 (Upward opening locker)
 Large  27 kg
 Small  9 kg

What is the Maximum cabin wardrobe Rack weight limit?
18 kg

What is the Maximum cabin wardrobe Floor weight limit?
46 kg

What is the Maximum Operating Altitude?
25000 ft

What is the Maximum Operating Altitude for T/O & LDG?
10000 ft

What is the Maximum Runway Slope allowed?
 2% Up Slope
 2% Down Slope
 Supplement 35 allows greater than + 2%

What is the Maximum Tailwind Component allowed for T/O & LDG?
10 kts

What is the Maximum Crosswind Component allowed for T/O & LDG?
36 kts (Hard,Dry Surface)

What is the Maximum Ambient Operating Temperature?
+48.9^{o}C or ISA +35^{o}C  whichever is lower.

What is the Minimum Ambient Operating Temperature?
54^{o}C

What is the Maximum Operating Speed (V_{MO})?
 0  14000 ft  242 KIAS
 15000 ft  239 KIAS
 20000 ft  223 KIAS
 25000 ft  207 KIAS

What is the Maximum Speed Flaps Extended (V_{FE})?
 Flap 5  148 KIAS
 Flap 15  148 KIAS
 Flap 35  130 KIAS

What is the Maximum Speed Landing Gear Extended (V_{LE})?
172 KIAS

What is the Maximum Speed Landing Gear Operating (V_{LO})?
158 KIAS

What is the Maximum Manoeuvring Speed (V_{A})?
163 KIAS

What is the Maximum Turbulence Penetration Speed (V_{B})?
180 KIAS

What is the Maximum Speed for Alternate Landing Gear Extension?
140 KIAS

What is the Maximum Altitude for an Airstart?
20000 ft

What is the Maximum Speed for Propeller Unfeathering?
165 KIAS

What is the Maximum Tyre Speed?
139 Kts (Ground Speed)

What is the Automatic T/O Power Control System increase?
10% Torque Aprox. (Power UpTrim)

What are the Maximum Engine Operating Limits for T/O?
 105%  Torque
 816^{o}C  ITT
 100%  NH RPM
 1212  NP RPM
 55  65 PSI  Oil Pressure
 45  115^{o}C  Oil Temperature
 Note: Limited to 5 minutes operation

What are the Normal Engine Operating Limits for T/O?
 92%  Torque (In flight 90%)
 785^{o}C  ITT
 100%  NH RPM
 1212  NP RPM
 55  65 PSI  Oil Pressure
 45  115^{o}C  Oil Temperature

What is Maximum Continuous Engine Operating Power (MCP)?
 90%  Torque
 800^{o}C  ITT
 100%  NH RPM
 1212  NP RPM
 55  65 PSI  Oil Pressure
 45  115^{o}C  Oil Temperature

What are the Maximum Reverse Engine Power Operating Limits?
 90%  Torque
 785^{o}C  ITT
 100%  NH RPM
 1212  NP RPM
 55  65 PSI  Oil Pressure
 45  115^{o}C  Oil Temperature

What are the Power Plant Start Operating Limits?
 950^{0}C  ITT
 850  950^{o}C Time Limit 5 Sec
 816  850^{o}C Time Limit 20 Sec
 200 PSI (MAX)  Oil Pressure
 40^{o}C (MIN)  Oil Temperature

What are the Power Plants Transient Operating Limits?
 125%  Torque (20 Sec Max)
 850^{o}C  ITT (20 Sec Max)
 102%  NH RPM
 1320  NP RPM (20 Sec Max)
 125^{o}C (Max)  Oil Temperature
 Note: Oil Temperature of 115  125^{o}C  (20 minute limit)

What are the Engine Oil Temperature Operating Limits?
 MAX  125^{o}C
 MIN  40^{o}C
 Normal 45 115^{o}C
 Caution 40  45^{o}C
 Note: 40^{o}C and below requires engine preheat before start.
 For power above Flight Idle 0^{o}C or above is required.
 For Inlet Splitter Antiice 45^{o}C or above is required.

What are the Engine Oil Pressure Operating Limits?
 MIN  40 PSI
 Normal 55  65 PSI
 Caution 40  55 PSI
 Low Pressure Warning Light 39 45 PSI
 Note: 40  55 PSI allowed below 75% NH.
 Except during spoolup oil pressure below 40 PSI requires engine shutdown.

What are the Starter Operating Limits?
 First Attempt  1 min crank then 2 min rest
 Second Attempt  1 min crank then 2 min rest
 Third Attempt  1 min crank then 30 min rest

What are the Engine & Propeller Ground Operating Limits?
 50% Torque with propellers feathered
 Minimum 60%NH
 Continuous operation between 500  780 RPM NP is prohibited
 Extended operation with propeller RPM in excess of 780 NP must be with aircraft pointed into wind.

What are the DC generators Operating Limits?
 Maximum Ground 0.7 (70%)  except on internal battery start where this can be exceeded for up to 1 min.
 Maximum Flight 1.0 (100%)

What are the AC generators Operating Limits?
 Maximum Ground (Below 10^{o}C)  1.0 (100%)
 Maximum Ground (At or above 10^{o}C)  0.33 (33%)
 Maximum Flight  1.0 (100%)

What are the TRU's Operating Limits?
 Maximum Ground (Below 10^{o}C)  1.0 (100%)
 Maximum Ground (At or above 10^{o}C)  0.5 (50%)
 Maximum Flight  1.0 (100%)

What are the Inverters Operating Limits?
Maximum Flight & Ground  1.0 (100%)

What is the Maximum Altitude Limit for Landing Gear and/or Flap Extension?
15000 ft

What is the Maximum Cabin Pressure Differential Limit?
5.95 PSID

What is the Normal Cabin Pressure Differential Limit?
5.5 + 0.3 PSID

What is the Maximum Cabin Pressure Differential Limit during T/O & LDG?
0.5 PSID

What are the Minimum Oxygen Bottle Dispatch Pressures?
 Flight Crew Fixed Bottle  1300 PSI
 Flight Crew Portable Bottle  1750 PSI
 Cabin Crew/Passenger Bottles  1100 PSI (each)

What are the Automatic Flight Control System (AFCS) Operating Limits?
 Cat 1 operations only
 Glideslope angles from 2.5 to 4^{o} Autopilot (coupled) & FD (manual) approved
 Glideslope angles greater than 3^{o} approved for Flap 15 only
 On Approach must be disengaged at or above 200 ft AAL
 APP Mode not permitted with Flap 35
 No coupled approach with 1 inop engine
 Minimum 1000 ft AGL required after T/O or GA before autopilot engagement
 Autopilot mustn't be manually overpowered
 During Auto flight operations 1 pilot required seated with harness on at controls
 VOR without colocated DME not permitted in NAV & APP Modes
