Dash-8 103 + 106 Limitations Flashcards
The DHC-8 Models 103 and 106 are eligible for the following kinds of operations:
- Day and night VFR;
- IFR;
- Icing conditions.
Minimum flight crew is ___________.
two pilots; one designated PIC.
Model 103 max ramp weight.
34,700 lbs.
Model 103 max takeoff weight.
34,500 lbs.
Model 103 max landing weight.
33,900 lbs.
Model 103 max zero fuel weight.
31,400 lbs.
Model 106 max ramp weight.
36,500 lbs.
Model 106 max takeoff weight.
36,300 lbs.
Model 106 max landing weight.
33,900 lbs.
Model 106 max zero fuel weight.
32,000 lbs.
Baggage compartment limits (37 seat configuration).
Aft shelf: 1,000 lbs.
Forward shelf: 2,000 lbs.
Max capacity of both shelves combined: 2,000 lbs.
Maneuvering load limits.
Flaps retracted: +2.5g/-1.0g
Flaps extended: +2.0g/0.0g
Maximum runway slopes.
+2%/-2%
Maximum stone size of loose gravel or surface stones.
1.5 inches.
Minimum width of runway.
60 feet.
Maximum runway contaminate.
Slush: 1/2 inch.
Dry snow: 2.4 inches.
Standing water: 0.59 inches.
Maximum fuel imbalance.
600 lbs (in air).
Maximum operating altitude.
25,000 feet.
Maximum operating altitude for takeoff and landing.
10,000 feet.
The yaw damper may be on for takeoff at assumed or actual weights of _______ lbs or greater using flaps _____ only.
31,750; 5º.
Maximum tailwind for flap 15º takeoff / 35º landing.
20 knots.
Maximum tailwind for flap 5º takeoff / 15º landing.
10 knots.
The following operations are limited to a maximum tailwind component of 10 knots at any approved flap setting:
SNAGWARE-C
- Spoilers, ground or roll spoilers in ground mode inop.
- Nosewheel steering inop.
- Anti-skid inop.
- Gravel/unpaved runway.
- Wet paved runway.
- Autofeather inop.
- Reduced power takeoff.
- ECU inop.
- Contaminated runway.
Max crosswind component.
36 knots.
Max crosswind with nosewheel steering inop.
20 knots.
Max crosswind component on a contaminated runway with measurable contaminate depth.
14 knots.
Max crosswind component on a contaminated runway with compacted snow.
20 knots.
Max crosswind component with a tailwind exceeding 10 knots.
25 knots.
Maximum operating temperature.
48.9ºC or ISA + 35, whichever is lower.
Minimum operating temperature.
-54ºC.
Vmo: 0 - 14,000 feet.
242 KIAS.
Vmo: 15,000 feet.
239 KIAS.
Vmo: 20,000 feet.
223 KIAS.
Vmo: 25,000 feet.
207 KIAS.
Vfe: Flaps 5º
Company: 140 KIAS.
Manufacturer: 148 KIAS.
Vfe: Flaps 15º
Company: 140 KIAS.
Manufacturer: 148 KIAS.
Vfe: Flaps 35º
Company: 130 KIAS.
Manufacturer: 130 KIAS.
Model 103 Va
163 KIAS.
Model 106 Va
164 KIAS.
Vlo
Company: 150 KIAS.
Manufacturer: 158 KIAS.
Vle
172 KIAS.
Alternate gear extension speed.
140 KIAS.
Rough air speed.
180 KIAS.
Max takeoff numbers.
Torque: 112.5% Max Observed ITT: 816ºC Nh: 100% RPM Np: 1212 RPM Oil Pressure: 55 - 65 PSID Oil Temperature: 45º - 115ºC
These values are limited to 5 minutes.
Normal takeoff numbers.
Torque: 99.5% Max Observed ITT: 785ºC Nh: 100% RPM Np: 1212 RPM Oil Pressure: 55 - 65 PSID Oil Temperature: 45º - 115ºC
Max continuous numbers.
Torque: 97.5% Max Observed ITT: 800ºC Nh: 100% RPM Np: 1212 RPM Oil Pressure: 55 - 65 PSID Oil Temperature: 45º - 115ºC
Starting numbers.
Max Observed ITT: 950ºC
Max Oil Pressure: 200 PSID
Min Oil Temperature: -40ºC
Transient numbers.
Torque: 125% Max Observed ITT: 850ºC Nh: 102% RPM Np: 1320 RPM Oil Temperature: 125ºC max.
These values are limited to 20 seconds, except oil temperature which is limited to 20 minutes.
Max reverse numbers.
Torque: 90% Max Observed ITT: 785ºC Nh: 100% RPM Np: 1212 RPM Oil Pressure: 55 - 65 PSID Oil Temperature: 45º - 115ºC
Minimum oil temperature for power settings above flight idle and unfeathering a propeller.
0ºC.
Minimum oil temperature required for adequate inlet splitter anti-icing.
45ºC.
Oil pressure between 40 and 55 PSID is allowed at engine speeds below:
75% Nh.
With exception to engine start, oil pressure below 40 PSID requires:
engine shutdown.
Engine manufacturer.
Pratt and Whitney.
Engine model.
PW121.
Maximum altitude for airstart.
20,000 feet.
With bypass doors open, maximum takeoff power and maximum cruise power settings are limited to a maximum ambient temperature of:
ISA + 25ºC.
Starter Cranking Limits.
Attempt 1: max on 1 min, 2 min off.
Attempt 2: max on 1 min, 2 min off.
Attempt 3: max on 1 min, 30 min off.
Minimum reduced power setting for reduced power takeoff.
80%
Standard reduced power setting for reduced power takeoff.
92%
Max altitude for reduced power takeoff.
5,000 feet.
Once every 24 hours a ________ takeoff must be completed.
Normal power.
Reduced power takeoffs cannot be used with the following flight supplements:
TEA BAG
- Tailwind between 10-20 knots.
- ECU inop.
- Anti-skid inop.
- Bleed air on.
- Autofeather inop.
- Gravel/unpaved runway.
Approved fuel types.
Jet A, Jet A1, JP-5, JP-8, Jet B, JP-4.
The maximum concentration of fuel system ice inhibitor allowed in percentage by volume must not exceed:
0.15
Is mixing of fuel permitted?
Yes.
Max usable fuel.
2,839 lbs/tank (5,678 lbs total).
Continuous operation with fuel heater outlet temperature indication below ___ºC or above ___ºC is prohibited.
11ºC; 57ºC.
Operation with fuel tank temperatures lower than the following are prohibited:
4ºC above the freezing point of Jet A, Jet A1, Jet B, JP-4, JP-8.
15ºC above the freezing point of JP-5.
Propeller manufacturer.
Hamilton Standard.
Propeller diameter.
13 feet.
Max airspeed for unfeathering propeller.
165 KIAS.
Maximum torque with prop feathered during ground operations.
50%
Minimum Nh during ground operations.
60%
Propeller continuous operation between ____ RPM and ____ RPM is prohibited during ground operations.
500 and 780 RPM.
During ground operations, extended operation with propeller RPM in excess of ___ RPM must only be carried out with the airplane headed directly into the wind.
780 RPM.
True or False: one ECU must be operative for takeoff.
True.
DC generator maximum load reading for ground operation.
0.7. This limit can be exceeded up to 1 min during internal battery starting go engines.
DC generator maximum load reading for flight operation.
1.0
TRU’s maximum load meter reading for ground operation.
1.0
TRU’s maximum load meter reading for flight operation.
1.0
AC generators maximum load meter reading for ground operation up to 10ºC.
1.0
AC generators maximum load meter reading for ground operation at or above 10ºC.
0.33
AC generators maximum load meter reading for ground and flight operations.
1.0
Inverters maximum load meter reading for flight and ground operations.
1.0
Maximum altitude for extended landing gear or wing flaps is:
15,000 feet.
Maximum tire speed.
139 knots ground speed.
Normal cabin pressure differential limit.
5.5 +/- 0.3 PSI.
Maximum cabin pressure differential limit.
5.95 PSI.
Maximum cabin pressure differential limit during taxiing, takeoff and landing.
0.5 PSI.
Maximum cabin altitude.
8,000 feet.
Bleed air must be ____ for takeoff and landing.
Off.
Automatic Flight Control System (AFCS) limitations:
- Approved for CAT I ops only.
- During autopilot operation, pilot must be seated with seatbelt secured.
- Must not be manually overpowered.
- Approved for glide slope angles between 2.5º and 4º (>3º are approved for approach flaps 15º only).
- Autopilot must be disengaged at or above 200 feet above runway elevation.
- Not approved for single engine below 1,000 feet.
- APP mode not permitted for flaps 35º.
- Use of VOR without DME is not permitted in NAV or APP mode.
- A/P back course approaches are not permitted.
- Minimum height for engagement after takeoff or go around is 1,000 feet.
- Must be disengaged in severe icing.
