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Dispatch Oral > Practice Oral #3 > Flashcards

Practice Oral #3 Flashcards

1
Q

What is an occluded front?

A

Cold front overtaking a warm front, embedded TS

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2
Q

What direction does air flow in a low pressure system

A

Counter-Clockwise and rising

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3
Q

Why do lows produce a lifting action?

A

It cannot go out against the pressure gradient and it cannot go into the ground, it has to go up.

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4
Q

What is the droplet size of clear ice compared to rime ice?

A

Clear ice particles are larger and form more commonly in cold fronts

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5
Q

What are the levels of severity referencing icing?

A

Trace, light, moderate, severe

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6
Q

how is breaking action measured?

A

Reported by pilots or airport management, measured in nil, poor, fair, good

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7
Q

Where would you look to predict windshear?

A

wind shear PIREPs, METAR remarks, ITWS (Integrated Terminal Weather System), TDWR (Terminal Doppler Weather Radar), LLWAS (Low Level Windshear Advisory System)

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8
Q

What are some places you would expect to find wind shear?

A

Inversion layers, thunderstorms, surface obstructions, unstable lapse rate (3c/1000ft)

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9
Q

At what rate does temperature decrease with altitude?

A

2c/1000ft

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10
Q

What is ASRS?

A

Aviation Safety Reporting System, voluntary reporting of info regarding safety issues.

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11
Q

What are some situation in which you would declare an emergency?

A

Overdue or missing aircraft; pilots are lost; fire; medical issue on board, engine shutdown in flight, ect.

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12
Q

What 4 limitations must be considered for takeoff?

A

Airport must have 1) an instrument approach
2) An official source of weather
3) Traffic advisories and status of
service
4) Facilities & services to safely
conduct IFR operations

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13
Q

What is required for Lower Landing Minimums?

A

15% additional runway available over the landing field length; precision instrument runway markings or operational centerline lights

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14
Q

What is the difference between a dispatch release and & flight release?

A

Dispatch Release - Flag/Domestic
Flight Release - Supplemental

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15
Q

Describe the communication sequence between the pilot and ATC.

A

Pilots call Clearance Delivery first, then Ground Control for taxi, Tower for takeoff, Departure Control next, Center, Approach Control, Tower, and Ground Control to taxi to the gate.

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16
Q

What is HIWAS?

A

High Altitude Weather Advisory Service

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17
Q

Where can i find a list of certified company airports?

A

C070

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18
Q

Can the flight depart without a dispatch authorization?

A

Only if operating Part 91( MX test flight or ferry flight for MX)

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19
Q

If the pilots have the required visibility to land, but not the ceiling can they land?

A

Yes, ceiling is not a requirement in part 121

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20
Q

What 4 things are considered when calculating required fuel as per the FARs?

A
  1. Wind & Weather
  2. Anticipated Traffic Delays
  3. One instrument approach & possible Missed
    approach
  4. Any other condition that may delay landing
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21
Q

What is the restriction with 1 PACK inop?

A

FL 250

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22
Q

Can a senior captain riding in 1st class replace a junior captain in bound to the airport to the airport if the higher mins for junior preclude him from making a landing due to low weather conditions?

A

Yes, an amendment is required and a log book entry

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23
Q

Name 3 AIRMETs

A

Sierra, Tango, Zulu

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24
Q

What is prevailing visibility?

A

Greatest horizontal distance over which objects or bight lights can be seen over at least half the horizon

25
Q

Does the B737-300 have anti-ice or deicing capabilities?

A

Anti-icing, Deicing is a ground operation

26
Q

What is the max tailwind and crossing components

A

Tailwind - 10kts
Crosswind - Dry - 35kts
Crosswind - Wet - 15kts

27
Q

How long are METARs valid?

A

METARs are valid only at the time of issue and broadcast until superseded by the next hour or by a speci.

28
Q

What is the definition of a large aircraft?

A

Over 12,500 lbs

29
Q

The altimeter senses altitude by the difference of the..

A

Ram air and static pressure

30
Q

The NDB transmitter is on the ground. The signal is received in the cockpit with what instrument?

A

Automatic Direction Finder (ADF)

31
Q

Who can open or close an airport?

A

The Airport manager or his staff

32
Q

Can the pilot depart at night without runway lights

A

No

33
Q

What is required to begin an instrument approach?

A

Official weather

34
Q

Company policy requires that we meet three requirements at all times, they are…

A

Safe, efficient and on time.

35
Q

If something is missing from the aircraft what do we check?

A

CDL - Configuration Deviation List

36
Q

In researching a regulation, we may find the answer in both the FARs and Ops spec, which takes precedence?

A

The more restrictive answer

37
Q

What is an alternate required for the destination airport?

A

the 1,2,3 rule

38
Q

What are the minimums for a senior captain at the alternate?

A

The minimums on the bottom of the approach chart

39
Q

What are the minimums for a junior captain at the alternate?

A

Never less than 300 & 1

40
Q

When is an alternate required for the departure airport?

A

When the weather is below landing minimums for the departure airport

41
Q

Can we operate into a civilian airport not listed as Part 139?

A

no

42
Q

What should the hydraulic pressure be in the hydraulic system?

A

3000psi, 2800 min to dispatch

43
Q

How many hydraulic systems are on the 737?

A

3 - A, B, Standby

44
Q

How many flight attendants are required?

A

Divide the number of seats by 50 and round up

45
Q

How many hours can a dispatcher legally work at one time before a rest period is required?

A

10 hours

46
Q

In which approach category is the B737?

A

Cat C

47
Q

Are our pilots allowed to do circling approaches in IMC in our ops spec?

A

No, because we do not practice them in the simulator. C075

48
Q

A jet stream by definition is a wind of __ kts or greater just below the tropopause.

A

50kts

49
Q

What are 2 types of NOTAMs?

A

Distant (D) and Flight Data Center (FDC) NOTAMs

50
Q

The standard rate of decent for an ILS approach is

A

3 degrees

51
Q

The Enroute Flight Watch frequency nationwide below FL180 is…

A

122.0

52
Q

If a flight diverts to an alternate, who is responsible for coordination?

A

Dispatcher

53
Q

What is the primary source of information regarding the expected weather at the destination?

A

Terminal Aerodrome Forecast (TAF)

54
Q

How often does the automated weather station update the ATIS?

A

Every minute

55
Q

A radar summary chart is issued how often?

A

Every hour at 35 min after the hour

56
Q

300mb is equal to approx what FL?

A

FL 300

57
Q

At what point in the atmosphere does the lapse rate go to zero?

A

At the tropopause

58
Q

The PIC informs you that he is diverting to an airport not listed in the dispatch release as per earlier agreement with you. Under what condition can he do this?

A

Only if he is declaring an emergency

59
Q

What is a sterile cockpit?

A

No idle chit-chat below 10,000ft. Takeoff and landing only, excludes cruise

Dispatch Oral (5 decks)

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