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FAA Aircraft Dispatcher (ADX) practice questions

240 free questions with answers and explanations.

Practice test
  1. 201.An aircraft departs at 178,000 pounds but must return immediately due to smoke in the cabin. Maximum landing weight is 150,000 pounds, and the fuel jettison rate is 2,000 pounds per minute. How many minutes of fuel dumping are required to reach maximum landing weight?Flight Planning and Performance
  2. 202.During an approach in IMC, a Part 121 crew's Traffic Alert and Collision Avoidance System (TCAS) issues a Resolution Advisory (RA) instructing a climb, while ATC simultaneously issues an instruction to descend. What is the correct crew action?Navigation and ATC
  3. 203.A twin-engine turbojet loses one engine while cruising at FL350 over mountainous terrain where the MEA is FL190. The aircraft's single-engine service ceiling at the current weight is FL210. What should the crew do per standard drift-down procedure?Flight Planning and Performance
  4. 204.A Part 121 dispatcher is releasing a two-engine turbojet under 14 CFR 121.617. The weather at the departure airport is below the landing minimums authorized for that airport. What is the maximum distance the takeoff alternate may be located from the departure airport, based on one-engine-inoperative cruising speed in still air?Flight Planning and Performance
  5. 205.A TAF for a destination airport contains the group 'PROB30 1518 1SM TSRA'. How should a dispatcher interpret this forecast element?Meteorology
  6. 206.Which of the following is required to be included on a Part 121 dispatch release under 14 CFR 121.687?Flight Planning and Performance
  7. 207.A Part 121 dispatcher notes that the departure runway at an airport has a published Obstacle Departure Procedure (ODP), but the airport has no other restrictive takeoff minimums. Under what condition must the ODP be flown?Flight Planning and Performance
  8. 208.A dispatcher is planning a route that uses a VOR airway segment published with a Minimum Obstruction Clearance Altitude (MOCA) of 6,000 feet and a Minimum Enroute Altitude (MEA) of 7,000 feet. What is the primary limitation of operating at the MOCA rather than the MEA on this segment?Navigation and ATC
  9. 209.A Part 121 domestic dispatcher is releasing a flight under IFR to a destination that requires an alternate. Under 14 CFR 121.639, the aircraft must carry enough fuel to fly to the destination airport, then to the alternate, and then for how long at normal cruising fuel consumption?Flight Planning and Performance
  10. 210.A dispatcher is reviewing the weight and balance limits for a transport category aircraft. What does the Maximum Zero Fuel Weight (MZFW) represent?Flight Planning and Performance
  11. 211.A flight is cleared to descend via a published STAR that depicts a crossing restriction of 'cross ABC intersection at or above 10,000 feet.' ATC does not issue any additional altitude instructions. How should the crew comply with this restriction?Navigation and ATC
  12. 212.A dispatcher is briefing a crew on thunderstorm hazards along the route. What is the primary factor that determines the ultimate size of hailstones produced within a thunderstorm?Meteorology
  13. 213.A dispatcher checks the Graphical AIRMET (G-AIRMET) product before a domestic flight. Which of the following best describes this product?Meteorology
  14. 214.A dispatcher receives a PIREP indicating braking action 'poor' on the landing runway due to compacted snow. How should this affect the landing performance calculations?Flight Planning and Performance
  15. 215.A Part 121 dispatcher is assessing an airport for use as a destination for a flag operation. The airport has a single instrument approach procedure. Under 14 CFR 121.621, what weather conditions are required at the destination airport at the estimated time of arrival (ETA) for dispatch without an alternate, if the aircraft is a two-engine turbojet?Regulations (Part 121)
  16. 216.A Part 121 certificate holder is operating a turbine-powered airplane with a maximum approved passenger seating capacity of 35. This aircraft is scheduled for a route where the terrain along the route requires the use of Ground Proximity Warning System (GPWS). Under 14 CFR 121.354, what is the specific equipment requirement for this aircraft?Regulations (Part 121)
  17. 217.A Part 121 airplane's cargo compartment is equipped with a smoke detector system but no built-in fire extinguishing system. According to 14 CFR 121.219, what is the classification of this cargo compartment?Regulations (Part 121)
  18. 218.A Part 121 certificate holder is configuring a new airplane type with 105 passenger seats. Under 14 CFR 121.313, how many megaphones are required on board this aircraft?Regulations (Part 121)
  19. 219.A Part 121 certificate holder is configuring a new airplane type with 150 passenger seats for domestic operations. Under 14 CFR 121.318, what is the minimum number of passenger emergency exits that must be equipped with an operating public address (PA) system loudspeaker?Regulations (Part 121)
  20. 220.A Part 121 certificate holder is reviewing pilot qualification records. Under 14 CFR 121.383(c), what airman rating must a pilot in command (PIC) hold to be authorized to serve as PIC in instrument conditions on a multiengine airplane?Regulations (Part 121)
  21. 221.A Part 121 certificate holder is operating an airplane type certificated for 50 passenger seats. Under 14 CFR 121.803, what is the minimum number of emergency medical kits that must be readily accessible to the crew?Regulations (Part 121)
  22. 222.A Part 121 certificate holder is developing a program for ground deicing and anti-icing. Under 14 CFR 121.629(c), which of the following is a mandatory element of an approved ground deicing/anti-icing program?Regulations (Part 121)
  23. 223.A Part 121 certificate holder is reviewing pilot qualification records. Under 14 CFR 121.383(c), what is the minimum airman rating required for a pilot in command of a Part 121 passenger-carrying operation?Regulations (Part 121)
  24. 224.A Part 121 certificate holder is operating an airplane type certificated for 44 passenger seats. Under 14 CFR 121.803, what is the minimum number of Emergency Medical Kits (EMKs) required on board this aircraft?Regulations (Part 121)
  25. 225.A dispatcher is preparing for a Part 121 domestic flight in a turbojet airplane. The takeoff alternate airport is required due to weather at the departure airport. Under 14 CFR 121.617, if the takeoff alternate is a two-engine turbojet, what is the maximum distance it can be from the departure airport?Regulations (Part 121)
  26. 226.A Part 121 certificate holder is operating a turbine-powered airplane with a maximum approved seating capacity of 100 passenger seats. Under 14 CFR 121.313, what is the minimum number of portable megaphones that must be readily accessible to the crew?Regulations (Part 121)
  27. 227.A Part 121 certificate holder is operating a turbine-powered airplane with 25 passenger seats. Under 14 CFR 121.354, which of the following is required equipment?Regulations (Part 121)
  28. 228.A Part 121 domestic flight is being planned. Under 14 CFR 121.639, what is the minimum fuel supply required for a turbojet aircraft to be dispatched under IFR, assuming no alternate airport is required?Regulations (Part 121)
  29. 229.A Part 121 certificate holder is preparing a flight dispatch release. Under 14 CFR 121.687, which of the following is required to be included on the release?Regulations (Part 121)
  30. 230.A Part 121 flight is experiencing an in-flight engine shutdown due to an uncontained failure. Under 14 CFR 121.703, when must a Mechanical Reliability Report (MRR) be filed for this event?Regulations (Part 121)
  31. 231.A dispatcher is determining the maximum permissible cabin ozone concentration for a Part 121 turbine-powered airplane cruising at FL350. Under 14 CFR 121.578, what is the maximum ozone concentration allowed?Regulations (Part 121)
  32. 232.A Part 121 domestic flight is scheduled for an aircraft with 120 passenger seats. Under 14 CFR 121.391, what is the minimum number of flight attendants required for this flight?Regulations (Part 121)
  33. 233.A Part 121 turbine-powered airplane is cruising at FL390. Under 14 CFR 121.578, what is the maximum permissible cabin ozone concentration for any 3-hour average period?Regulations (Part 121)
  34. 234.A Part 121 certificate holder is configuring a new airplane type for passenger service with 45 passenger seats. Under 14 CFR 121.318, what type of public address (PA) system is required for this aircraft?Regulations (Part 121)
  35. 235.A Part 121 flight is experiencing a sudden depressurization at FL380. The flight crew initiates an emergency descent. Under 14 CFR 121.333, what is the minimum continuous flow oxygen supply required for each passenger in a pressurized aircraft if the cabin pressure altitude remains between 10,000 feet and 14,000 feet for more than 30 minutes?Regulations (Part 121)
  36. 236.A dispatcher is planning a flight into a coastal airport during the late morning. A weather analysis indicates a prevailing onshore flow of moist, stable air over cooler land surfaces. Which type of fog is most likely to form or persist under these conditions?Meteorology
  37. 237.A METAR report from an airport includes the remark 'P0003'. How should a dispatcher interpret this remark regarding precipitation?Meteorology
  38. 238.A Part 121 certificate holder is operating a turbine-powered airplane with a maximum approved passenger seating configuration of 100. The airplane departs from an airport within the 48 contiguous United States. Under 14 CFR 121.354, which of the following is required for this aircraft?Regulations (Part 121)
  39. 239.A Part 121 turbojet aircraft is scheduled to depart from an airport where the published field elevation is 1,500 feet MSL. The current altimeter setting is reported as 29.82 inHg. What is the pressure altitude at this airport?Flight Planning and Performance
  40. 240.A Part 121 certificate holder is developing a flight attendant training program. According to 14 CFR 121.417, which of the following is a required subject area for initial training of flight attendants?Regulations (Part 121)