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ADX/Aircraft Dispatch Course > Systems & Limitations > Flashcards

Systems & Limitations Flashcards

1
Q

What is /the basic operating weight of a B727-200

A

104,500 lbs

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2
Q

What does ‘certificated’ mean in the phrase certificated weight?

A

Structural

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3
Q

What is ‘zero fuel’?

A

Weight of plane with no usable fuel.

When over limit, reducing payload is the only fix

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4
Q

What is the standard landing degree setting for flaps on a B727-200?

A

Flaps at 30º

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5
Q

What is the fuel capacity?

A

51,500 lbs

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6
Q

What are the dimensions of a B727?

A

Length - 153’2”
Wingspan - 108’

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7
Q

What does the APU provide?

A
  1. Electricity
  2. Air for engine start
  3. Air for air conditioning
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8
Q

Can you dispatch aircraft with APU inoperative?

A

Yes, provided external power cars are available at ALL airports

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9
Q

Can you dispatch aircraft with APU missing?

A

Yes. Weight and balance must be adjusted

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10
Q

How are you alerted of a APU fire?

A
  1. Bell/light in the Flight Deck
  2. Warning horn in nose wheel well
  3. Flashing red light in left wheel well
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11
Q

What is the altitude limitation with both air conditioning packs inoperative (unpressurized)?

A

≤ 10,000’ MSL

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12
Q

What is ‘CPD’?

A

Cabin Pressure Differential

Cabin Pressure - Ambient Pressure = CPD

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13
Q

What is the max normal CPD?

A

8.6 PSI

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14
Q

What is the max pressure differential for takeoff/landing?

A

.125 PSI

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15
Q

What is the typical flight length?

A

150-1800nm

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16
Q

What is the max cruise speed?

A

Mach .90

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17
Q

What is the max cruise altitude?

A

42,000’

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18
Q

What is the max payload?

A

31,500 lbs

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19
Q

What is the max pax capacity?

A

136 (14 First Class, 122 coach)

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20
Q

What is the max cargo capacity?

A

21,000 lbs

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21
Q

What is an “APU’?

A

Auxiliary Power Unit. Designed to be used on the ground only.

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22
Q

The gas turbine engine for the APU is located in the _____ wheel well.

A

Main

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23
Q

APU provides _____, _____, and _____ .

A

Electricity, Air for engine start, air for air conditioning

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24
Q

APU power start comes from _____.

A

NICAD Battery

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25
Q

APU fuel flow is _____ lbs/hr.

A

270

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26
Q

The air conditioning has _____ units (packs).

A

Two separate, identical

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27
Q

The left pack controls the _____.

A

Cockpit

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28
Q

The right pack controls _____.

A

Everything else

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29
Q

An aircraft may be dispatched with ______ air conditioning pack inoperative with _____.

A

1, altitude limitations

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30
Q

An aircraft may be dispatched with both air conditioning packs _____ at or below 10,000’ MSL

A

unpressurized/inoperative

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31
Q

The _____ valve controls the temperature coming into the cabin

A

Air mix

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32
Q

How is pressure regulated?

A

Two outflow valves

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33
Q

What happens when the CPD > 8.6 psi (lbs/sq. in.)

A

The outflow valves open automatically

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34
Q

Two _____ safety valves open automatically when/if CPD = 9.6 psi

A

Positive pressure

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35
Q

Electricity is provided by _____

A

Three engine-driven generators

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36
Q

Transformer rectifier converts _____ AC to _____ DC

A

115v AC to 28v DC

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37
Q

Stepdown transformer converts _____ AC to _____AC

A

115v AC to 28v AC

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38
Q

_____ power is required for safe flight

A

Essential

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39
Q

How many vent-surge tanks are there and where are they located?

A

2, located in wing tips

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40
Q

What are vent-surge tanks used for?

A

Prevention of internal damage due to fuel expansion or over-fueling

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41
Q

What is the purpose of crossfeeding?

A

To correct balance problems, and reroute fuel

42
Q

What is the dump rate?

A

2400lbs/min (2500 including burnoff)

43
Q

How many hydraulics and flight control systems are there?

A

3

44
Q

System A has two _____ pumps

A

Engine-driven

45
Q

System B has two _____ pumps

A

Electric

46
Q

System A controls _____

A

Lower rudder, ground spoilers, leading edge flats, trailing edge flats, ailerons

47
Q

System B controls _____

A

Brakes, Inboard flight spoilers, Upper rudders, air stairs, elevators

48
Q

The standby system has _____ electric pump

A

one

49
Q

What are the primary flight controls

A

Rudders, ailerons, and elevators

50
Q

What are the sections of the compressor called?

A

N1 and N2

51
Q

How many stages does the compressor have?

A

N1 has 6 stages
N2 has 7 stages

52
Q

How many burner cans are in the combustion section?

A

9

53
Q

Which turbine wheel drives N2?

A

First

54
Q

Which turbine wheel(s) drive N1?

A

The last three

55
Q

The exhaust from the powerplant produces _____

A

Thrust

56
Q

What are 6 emergency items that can be found?

A
  1. Mega phones
  2. Crash axe
  3. First aid kit
  4. Smoke goggles
  5. Gloves
  6. Life vests
57
Q

How many emergency doors and exit windows are there?

A

5 emergency exit doors
6 emergency exit windows

58
Q

What areas does the thermal bleed heat up?

A

Edge of wings, engine inlets, and top VHF antenna

59
Q

The B727 can de-ice but is designed to _____.

A

Prevent ice

60
Q

True or False:

Wind components and runway contamination have no effect on Climb and Structural limits

A

True

61
Q

Anti-ice ON has an effect on _____ limits

A

Climb

62
Q

BOW + PAYLOAD (PL) = _____

A

ZERO FUEL WEIGHT (ZFW)

63
Q

How do you calculate LANDING WEIGHT AT ALTERNATE (LWA)?

A

ZFW + Reserve + Contingency + Holding + Extra fuel

64
Q

LANDING WEIGHT AT DESINATION (LWD) is

A

LWA + Alternate fuel

65
Q

LWD + _____ = TOGW

A

Burnoff

66
Q

What is the benefit of long range cruise (LRC)?

A

Saves fuel

67
Q

How do you calculate fuel flow for LRC?

A

FF = 8300/60 x Time

68
Q

Characteristics of maximum speed cruise (MSC)?

A

Saves time, M .90, usually FL180 - FL250

69
Q

Characteristics of LRC?

A

Saves fuel, M.78 , Flown at higher altitudes

70
Q

What is NSC (normal speed)?

A

Constant and Indicated Mach Cruise

M .79 - M .89

71
Q

Define ‘optimum altitude’

A

The altitude that yields the highest specific range

72
Q

What is the 1.5G Buffet Line used for?

A

To find altitude that is safe when moderate or greater turbulence is forcest along route

73
Q

What effect does temperature have on the optimum altitude?

A

Higher/warmer temperatures reduce the optimum altitude

74
Q

How does trip distance effect optimum altitude?

A

Optimum altitude may not be practical on shorter flights of ~300nm because of the time it takes to climb and decend

75
Q

Define ‘Accelerate-Stop Distance Available’

A

Runway + stopway length available and suitable

76
Q

What is V1?

A

Takeoff decision speed. Speed below which takeoff must be aborted

77
Q

When is anti-ice on?

A
  1. OAT ≤ 8℃
    AND
  2. Spread ≤ 3℃ OR visible moisture is present
78
Q

For performance takeoff adjustments, wet penalties begin at _____ inch and dry penalties begin at _____ inches

A

Wet penalties begin at 1/4 inch and dry penalties begin at 2 inches

79
Q

What is the takeoff penalty for slippery/wet runways?

A

1,500 lbs

80
Q

When is takeoff with anti-skid inoperative prohibited?

A
  1. On runways with standing water, slush, or wet/dry snow of sufficient depth to require an adjustment.
  2. With a tailwind
81
Q

What are some factors that effect takeoff runway limits?

A

Runway length, wind component, temperature, flaps

82
Q

What does the climb limit reflect?

A

Climb performace and engine out criteria

83
Q

What factors may impact the climb limit?

A

Temperature, elevation, sea level pressure

84
Q

What is the structural limit of the B727?

A

172,700 lbs unless reduced by CDL or if pressure altitude > 5,500-

85
Q

The Maximum Operational Landing Weight is the lowest of which limits?

A

Field limit, approach and landing climb limit, structural limit

86
Q

What is the field limit?

A

Max landing weight limited by the length of the runway and elevation. Based on stopping within 60% of ERL

87
Q

What is the typical range for C.G?

A

20-25%

88
Q

What is the typical range for Stab Trim?

A

5’s and 6’s

89
Q

How much extra fuel is needed when you have a fuel pump inoperative in Tank 1 or 3?

A

12,900 lbs

(5300 in affected tank, 4300 in opposite wing tank, 3300 in tank 2

90
Q

How much extra fuel is needed when you have one AFT boost pump inoperative in Tank 2?

A

12,000 lbs

Must also reduce ZFW by 12,000. New max ZFW = 124,000. New max payload = 19, 500

91
Q

How much extra fuel is needed when you have one FORWARD boost pump inoperative in Tank 2?

A

If ZFW ≤ 133,700, just add 2,300

If ZFW ≥ 133,700 find tolerance, that is the amount you use to calculate amount for balance.

92
Q

What does the code ‘S’ mean on the ATC flight plan?

A

Standard equipment
* ILS capability
* VHF communication
* VOR

93
Q

What kind of transponder is the B727 equipped with?

A

Mode S

94
Q

What does ‘EB1’ mean on the ATC flight plan?

A
  • 1090 extended squitter
  • 1090 ADS-B Out
95
Q

Where can you find more information on the codes in the ATC flight plan?

A

ATC section of the AIM

96
Q

When do IFR flight plans need to be filed?

A

At least 30 min prior to departure

97
Q

Define ‘positive slope’ (driftdown method)

A

Aircraft is climbing faster than the terrain is rising or terrain is sloping away at a faster rate than our descent rate.

98
Q

For one-engine inoprative driftdown performance, the aircraft needs to clear all obstacles within _____ by _____ with a POSITIVE slope (Method 1)

A

Obstacles within 5sm by 1,000’

99
Q

For two-engine out driftdown performance the aircraft must use Method 2 or remain _____.

A

Within 90 minutes of an adequate airport

100
Q

For one-engine inoperative driftdown performance, the aircraft needs to clear all obstacles to a driftdown alternate by _____ with a positive slope (Method 2)

A

2000’

ADX/Aircraft Dispatch Course (8 decks)

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