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Ravn Alaska: Systems Training > Model 311 Limitations > Flashcards

Model 311 Limitations Flashcards

Learn the limitations of the Dash-8 103, 106, and 311.

1
Q

The DHC-8 Models 103, 106, and 311 are eligible for the following kinds of operations:

A
  1. Day and night VFR;
  2. IFR;
  3. Icing conditions.
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2
Q

Minimum flight crew is ___________.

A

Two pilots; one designated PIC.

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3
Q

Model 311 max ramp weight.

A

43,200 lbs.

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4
Q

Model 311 max takeoff weight.

A

43,000 lbs.

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5
Q

Model 311 max landing weight.

A

42,000 lbs.

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6
Q

Model 311 max zero fuel weight.

A

39,500 lbs.

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7
Q

300 series baggage compartment limits (max capacity, compartments 1, 2 and 3).

A
  • Max capacity of all compartments: 2,500 lbs
  • Compartment 1: 1,750 lbs (125 lbs/ft2 floor load)
  • Compartment 2: 1,000 lbs (75 lbs/ft2 floor load)
  • Compartment 3: 300 lbs (125 lbs/ft2 floor load)
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8
Q

Maneuvering load limits (flaps retracted and extended).

A
  • Flaps retracted: +2.5g/-1.0g
  • Flaps extended: +2.0g/0.0g
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9
Q

Maximum runway slopes.

A
  • +2% uphill
  • -2% downhill
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10
Q

Maximum stone size of loose gravel or surface stones.

A

1.5 inches.

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11
Q

Model 311 minimum width of runway.

A

74 feet.

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12
Q

Maximum runway contaminate (slush, dry snow, and standing water).

A
  • Slush: 1/2 inch
  • Dry snow: 2.4 inches
  • Standing water: 0.59 inches
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13
Q

Main tanks maximum fuel imbalance.

A

600 lbs (in air).

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14
Q

Maximum operating altitude.

A

25,000 feet.

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15
Q

Maximum operating altitude for takeoff and landing.

A

10,000 feet.

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16
Q

Model 311: The yaw damper is ____ for takeoff at all weights.

A

On.

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17
Q

Maximum tailwind for flap 15º takeoff / 35º landing.

A

20 knots.

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18
Q

Maximum tailwind for flap 5º takeoff / 15º landing.

A

10 knots.

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19
Q

The following operations are limited to a maximum tailwind component of 10 knots at any approved flap setting:

A
  1. Spoilers, ground or roll spoilers in ground mode inop.
  2. Nosewheel steering inop.
  3. Anti-skid inop.
  4. Gravel/unpaved runway.
  5. Wet paved runway takeoff.
  6. Autofeather inop.
  7. Reduced power takeoff.
  8. ECU inop.
  9. Contaminated runway.

SNAGWARE-C

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20
Q

Max crosswind component.

A

36 knots.

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21
Q

Max crosswind with nosewheel steering inop.

A

20 knots.

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22
Q

Max crosswind component on a contaminated runway with measurable contaminate depth.

A

14 knots.

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23
Q

Max crosswind component on a contaminated runway with compacted snow.

A

20 knots.

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24
Q

Max crosswind component with a tailwind exceeding 10 knots.

A

25 knots.

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25
Q

Maximum operating temperature.

A

48.9ºC or ISA + 35, whichever is lower.

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26
Q

Minimum operating temperature.

A

-54ºC.

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27
Q

VMO: 0 to 17,000 feet (300 series).

A

243 KIAS.

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28
Q

VMO: 20,000 feet (300 series).

A

232 KIAS.

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29
Q

VMO: 25,000 feet (300 series).

A

214 KIAS.

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30
Q

VFE: Flaps 5º (300 series).

A
  • Company: 160 KIAS.
  • Manufacturer: 163 KIAS.
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31
Q

VFE: Flaps 10º (300 series).

A

154 KIAS.

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32
Q

VFE: Flaps 15º (300 series).

A

150 KIAS.

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33
Q

VFE: Flaps 35º (300 series).

A

138 KIAS.

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34
Q

Model 311 VA.

A

177 KIAS.

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35
Q

VLO (Model 311).

A
  • Company: 160 KIAS.
  • Manufacturer: 163 KIAS.
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36
Q

VLE (Model 311).

A

173 KIAS.

37
Q

Alternate gear extension speed.

A

140 KIAS.

38
Q

Rough air speed (Model 311).

A

190 KIAS.

39
Q

Model 311 max takeoff numbers (torque, ITT, NL, NH, NP, oil pressure, oil temp).

A
  • Torque: 105.6%
  • Max Observed ITT: 800ºC
  • NL: 104% RPM
  • NH: 102.7% RPM
  • NP: 1,212 RPM
  • Oil Pressure: 55 - 65 PSID
  • Oil Temperature: 45º - 115ºC

These values are limited to 5 minutes.

40
Q

Model 311 normal takeoff numbers (torque, ITT, NL, NH, NP, oil pressure, oil temp).

A
  • Torque: 92%
  • Max Observed ITT: 765ºC
  • NL: 101.7% RPM
  • NH: 101% RPM
  • NP: 1,212 RPM
  • Oil Pressure: 55 - 65 PSID
  • Oil Temperature: 45º - 115ºC
41
Q

Model 311 max continuous/METO numbers (torque, ITT, NL, NH, NP, oil pressure, oil temp).

A
  • Torque: 90% above 1,125 NP RPM; 96% at 1,125 NP RPM and below
  • Max Observed ITT: 800ºC
  • NL: 104% RPM
  • NH: 102.7% RPM
  • NP: 1,212 RPM or 1,125 RPM (see torque)
  • Oil Pressure: 55 - 65 PSID
  • Oil Temperature: 45º - 115ºC
42
Q

Model 311 starting numbers (ITT, max oil pressure, min oil temp).

A
  • Max Observed ITT: 950ºC
  • Max Oil Pressure: 200 PSID
  • Min Oil Temperature: -40ºC
43
Q

Model 311 transient numbers (torque, ITT, NL, NH, NP, oil pressure, oil temp).

A
  • Torque: 115%
  • Max Observed ITT: 840ºC
  • NL: 104.3% RPM
  • NH: 103.7% RPM
  • NP: 1,320 RPM
  • Oil Temperature: 125ºC max.

These values are limited to 20 seconds, except oil temperature which is limited to 20 minutes.

44
Q

Model 311 max reverse numbers (torque, ITT, NL, NH, NP, oil pressure, oil temp).

A
  • Torque: 90%
  • Max Observed ITT: 765ºC
  • NL: 101.7% RPM
  • NH: 101% RPM
  • NP: 1,212 RPM
  • Oil Pressure: 55 - 65 PSID
  • Oil Temperature: 45º - 115ºC
45
Q

Model 311 ITT temperature limitations and times during engine start.

A
  • 840ºC - 900ºC for 12 seconds.
  • 900ºC - 950ºC for 5 seconds.
46
Q

Minimum oil temperature for power settings above flight idle and unfeathering a propeller.

A

0ºC.

47
Q

Minimum oil temperature required for adequate inlet splitter anti-icing.

A

45ºC.

48
Q

Oil pressure between 40 and 55 PSID is allowed at engine speeds below:

A

75% NH.

49
Q

With exception to engine start, oil pressure below 40 PSID requires:

A

engine shutdown.

50
Q

Model 311 engine manufacturer and model.

A

Pratt and Whitney PW123.

51
Q

Maximum altitude for airstart.

A

20,000 feet.

52
Q

With bypass doors open, maximum takeoff power and maximum cruise power settings are limited to a maximum ambient temperature of:

A

ISA + 25ºC.

53
Q

Starter Cranking Limits.

A
  • 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.
54
Q

Minimum reduced power setting for reduced power takeoff.

A

80%

55
Q

Standard reduced power setting for reduced power takeoff (100 series).

A

92%

56
Q

Max altitude for reduced power takeoff.

A

5,000 feet.

57
Q

Once every 24 hours a ________ takeoff must be completed.

A

Normal power.

58
Q

Reduced power takeoffs cannot be used with the following flight supplements:

A
  1. Tailwind between 10-20 knots.
  2. ECU inop.
  3. Anti-skid inop.
  4. Bleed air on.
  5. Autofeather inop.
  6. Gravel/unpaved runway.

TEA BAG

59
Q

Approved fuel types.

A

Jet A, Jet A1, JP-5, JP-8, Jet B, JP-4.

60
Q

The maximum concentration of fuel system ice inhibitor allowed in percentage by volume must not exceed:

A

0.15

61
Q

Is mixing of fuel permitted?

A

Yes.

62
Q

Max usable fuel (Model 311).

A

10,378 lbs useable.

2,839 lbs/main tank (5,678 lbs total) plus 2,350 lbs/aux tank (4,700 lbs total).

63
Q

Auxiliary fuel pumps must be ____ for takeoff and landing.

A

On.

64
Q

Continuous operation with fuel heater outlet temperature indication below ___ºC or above ___ºC is prohibited.

A

11ºC; 57ºC.

65
Q

Operation with fuel tank temperatures lower than the following are prohibited:

A
  • 4ºC above the freezing point of Jet A, Jet A1, Jet B, JP-4, JP-8.
  • 15ºC above the freezing point of JP-5.
66
Q

Model 311 propeller manufacturer and model.

A

Hamilton Standard 14SF-23.

67
Q

Max airspeed for unfeathering propeller (Model 311).

A

200 KIAS*.

*depends on altitude.

68
Q

Maximum torque with prop feathered during ground operations (Model 311).

A

48%

69
Q

Minimum NH during ground operations (Model 311).

A

66%

70
Q

Propeller continuous operation between ____ RPM and ____ RPM is prohibited during ground operations.

A

500 and 780 RPM.

71
Q

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.

A

780 RPM.

72
Q

True or False: one ECU must be operative for takeoff.

A

True.

73
Q

The power levers may not be operated aft of ______ during flight.

A

FLT IDLE.

74
Q

DC generator maximum load reading for ground operation.

A

0.7. This limit can be exceeded up to 1 min during internal battery starting of engines.

75
Q

DC generator maximum load reading for flight operation.

A

1.0

76
Q

TRU’s maximum load meter reading for ground operation.

A

1.0

77
Q

TRU’s maximum load meter reading for flight operation.

A

1.0

78
Q

AC generators maximum load meter reading for ground operation up to 10ºC.

A

1.0

79
Q

AC generators maximum load meter reading for ground operation at or above 10ºC.

A

0.33

80
Q

AC generators maximum load meter reading for ground and flight operations.

A

1.0

81
Q

Inverters maximum load meter reading for flight and ground operations.

A

1.0

82
Q

Maximum altitude for extended landing gear or wing flaps is:

A

15,000 feet.

83
Q

Maximum tire speed (Model 311).

A

165 knots ground speed.

84
Q

Normal cabin pressure differential limit.

A

5.5 +/- 0.3 PSI.

85
Q

Maximum cabin pressure differential limit.

A

5.95 PSI.

86
Q

Maximum cabin pressure differential limit during taxiing, takeoff and landing.

A

0.5 PSI.

87
Q

Maximum cabin altitude.

A

8,000 feet.

88
Q

Bleed air must be ____ for takeoff and landing.

A

Off.

89
Q

Automatic Flight Control System (AFCS) limitations:

A
  1. Approved for CAT I ops only.
  2. During autopilot operation, pilot must be seated with seatbelt secured.
  3. Must not be manually overpowered.
  4. Approved for glide slope angles between 2.5º and 4º (>3º are approved for approach flaps 15º only).
  5. Autopilot must be disengaged at or above 200 feet above runway elevation.
  6. Not approved for single engine below 1,000 feet.
  7. APP mode not permitted for flaps 35º.
  8. Use of VOR without DME is not permitted in NAV or APP mode.
  9. A/P back course approaches are not permitted.
  10. Minimum height for engagement after takeoff or go around is 1,000 feet.
  11. Must be disengaged in severe icing.

Ravn Alaska: Systems Training (6 decks)

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