Instrument Ground School – IRA Enroute Practice Exam

These questions are part of the practice quiz. Start practicing

• What is the function of the localizer in an ILS approach?
• What altitude provides acceptable navigational signal coverage and meets obstacle clearance requirements?
• Which types of airspace are depicted on the En Route Low Altitude Chart?
• Upon arriving at the 15 DME fix on a heading of 350°, which holding pattern complies with the ATC instruction for the specified clearance?
• How is a VOR check conducted?
• What is the main function of the pitot-static system?
• How can an FMS assist pilots during flight?
• What are the standard atmospheric conditions at sea level?
• What does "clear of the active runway" mean?
• What is meant by “reversionary mode” in navigation instruments?
• How does Distance Measuring Equipment (DME) operate?
• The significance of knowing vertical speed is primarily for what purpose?
• What does “True Airspeed” refer to?
• What does “SE” stand for in reference to an approach?
• What is the primary function of a Flight Management System (FMS)?
• What does the term "squawk" refer to?
• What is the purpose of holding patterns in aviation?
• What type of approach does GRICE intersection serve in conjunction with the localizer?
• For IFR operations off of established airways below 18,000 feet, how far apart should VOR navigation aids be to describe the 'route of flight'?
• What is the minimum crossing altitude over the BOZEMAN VORTAC for a southeast bound flight on V86?
• What is the purpose of a “cleared for approach” instruction?
• Which aeronautical chart depicts Military Training Routes (MTR) over 1,500 feet?
• What is the key benefit of using a flight management system (FMS)?
• Which indicator is essential for ensuring navigation signal adequacy at altitude limitations?
• Which point would be the appropriate VOR COP on V552 from the LFT to the TBD VORTACs?
• What distinguishes a waypoint from a fix?
• What is the significance of "MDA" in instrument navigation?
• What is the main objective of a missed approach?
• At STRUT intersection headed eastbound, what entry procedure should be used when instructed to hold west on the 10 DME fix?
• What is the recommended procedure to enter a holding pattern when cleared to hold west on the 270 radial?
• What does the term “bank angle” refer to in terms of aircraft orientation?
• What is the procedure to terminate a holding pattern if instructed to proceed to a specific fix?
• When flying from Milford Municipal to Bryce Canyon via V235 and V293, what minimum altitude should you be at when crossing Cedar City VOR?
• What indicates a successful visual approach?
• How should a pilot enter the holding pattern when executing a missed approach at CQX?
• ATC may assign the MOCA when specific conditions exist, and when within what distance of a VOR?
• What should a pilot verify before entering a holding pattern as commanded by ATC?
• Which instrument provides vertical guidance during an approach?
• What does the acronym MOCA stand for in aviation?
• How does the pitot-static system contribute to flight safety?
• What is the recommended procedure to enter the holding pattern if instructed to hold east of the ABC VORTAC on the 090 radial?
• If no MCA is specified, what is the lowest altitude for crossing a radio fix?
• What type of airspace includes military training routes and special use airspace?
• What is the designated altitude for a fix when the reception of signals from a radio facility is inadequate at the MEA?
• What does a "holds in place" clearance instruct a pilot to do?
• What type of entry is recommended for the missed approach holding pattern depicted on the VOR/DME RWY 36 approach chart?
• Which is true regarding the VOR changeover point on air route navigation?
• After arriving over the 15 DME fix on a heading of 350°, what is the correct holding pattern entry procedure?
• The lowest published altitude which ensures obstacle clearance and navigational signal coverage is known as what?
• During a holding pattern entry, which method involves flying directly to the fix and then initiating the hold?
• What does ATIS stand for in aviation terms?
• What function does a VOR (VHF Omnidirectional Range) serve?
• What is the maximum indicated airspeed a pilot should use while holding at 5,000 feet in a civil aircraft?
• What timing procedure should be used for a holding pattern at a VOR?
• What is the area of operation for Class E airspace?
• What does the symbol at GRICE intersection signify?
• What is the role of a transponder in aircraft operations?
• What component ensures communication during IFR operations on low altitude airways?
• What altitude should be maintained to comply with the MEA when flying off-airway?
• In the context of instrument approaches, what are "minimums"?
• During an IFR flight, what altitude indicates the top of the safe minimum sector altitude?
• What is the acceptable navigational signal coverage distance from the VOR at the MOCA?
• What is one essential aspect of instrument approaches found on an approach plate?
• In an approach context, what does the term "MAP" stand for?
• Define “ground speed.”
• What is meant by “T-web” in the context of aeronautical charts?
• Given TAS of 140 kts, reported winds of 270 at 30 kts, and a fuel burn rate of 17 GPH, what is the fuel burn for a route of 49 minutes?
• What does an approach plate provide to pilots?
• What does FAF stand for in the context of an ILS approach?
• What is guaranteed for all altitude limits including MAA, MCA, MRA, MOCA, and MEA in non-mountainous areas?
• What obstacle clearance is provided by Minimum Sector Altitudes depicted on IAP charts?
• Calculate the additional fuel consumed when the original flight route changes due to thunderstorms. What is the additional consumption if winds are 230 at 40 kts, TAS is 130 kts, and GPH is 17?
• What does “flying the line” refer to?
• What does the altimeter setting of "29.92 inHg" signify?
• Which VOR changeover point is not applicable on V70?
• What is the maximum altitude that you may flight plan for an IFR flight on V-86 EASTBOUND between Bozeman and Billings VORTACs?
• At which altitude on V573 would the navigational signal of the HOT VOR/DME be unreliable?
• Where is the VOR changeover point on V70 between Sabine Pass and Lake Charles?
• Regarding holding pattern legs, what is the typical duration for an outbound leg in general aviation?
• What factor is essential when determining RVR values?
• What communication methods must be maintained to ensure proper operations while holding?
• Which of the following best describes a benefit of using an FMS during flight?
• Which of the following is NOT a feature of the Flight Management System?
• What is the significance of a missed approach holding pattern in IFR flight?
• What measurement does RVR provide for pilots?
• What is a “grab-and-go” in air traffic management?
• What is the primary function of a GPS in aviation?
• What minimum navigation equipment is necessary to identify the ANGOO intersection on V448?
• How long should the legs of a holding pattern be according to standard procedures?
• When flying east on V306 from Daisetta to Lake Charles, where is the VOR COP located?
• Explain what a “VFR on Top” clearance allows.
• What is the function of the Great Falls RCO in the Yellowstone vicinity?
• Which factors contribute to determining safe entry into a holding pattern?
• Upon arrival at the 15 DME fix on a heading of 350°, which entry procedure is recommended for the hold?
• To identify DRAIN INT along V448, what is the minimum altitude you need to be at?
• Which of the following is the correct definition of MOCA?
• What is the primary advantage of using RNAV (Area Navigation)?
• If additional circuits of the holding pattern are needed to lose altitude, what must the pilot do first?
• What does the term “cold weather ops” refer to in instrument flight?
• When cleared to hold south on the 180 radial, what is the recommended entry procedure?
• What is the minimum crossing altitude at DBS VORTAC for a northbound IFR flight on V257?
• What information is crucial for a pilot when making a visual approach?
• What is a common advantage of true airspeed vs. indicated airspeed?
• Which altitude is generally used for cruising in the lower altitude airspace during IFR?
• What units are typically used by gyroscopic instruments?
• What does the “3-2-1” rule help pilots determine?
• Why is RVR especially important for landing aircraft?
• What is the maximum airspeed allowed for civil turbojet aircraft in a holding pattern above 14,000 feet?
• What defines the operational levels of airspace and their vertical limits?
• What frequency should you contact Denver Center after losing communication near the CORTEZ VOR?
• What is a transponder in the context of aviation?
• What is the ARTCC discrete frequency at the COP on V208 for an outbound flight from HVE to PGA VOR/DME?
• If instructed to "hold as published" during a missed approach at LNK, which holding entry procedure should be used?
• Why is altitude awareness critical during instrument flight?
• What is the function of a Course Deviation Indicator (CDI)?
• What is the purpose of obtaining an Instrument Rating?
• What is the minimum crossing altitude at SABAT intersection when eastbound from DBS VORTAC on V298?
• Which of the following components is not part of an aircraft instrument system?
• What is the minimum altitude for crossing Gymme intersection en route on V112 from BTG VORTAC to LTJ VORTAC?
• What type of navigation system relies on VORs for guidance during IFR flights?
• What type of entry is recommended to the missed approach holding pattern if your magnetic heading is 050°?
• When traveling eastbound on V86 between Whitehall and Livingston, what is the minimum altitude you should cross BZN?
• Which action is NOT part of conducting a VOR check?
• Which of the following is a function of flight instruments?
• What is the minimum altitude at TROTS intersection on V468 from BTG VORTAC to YKM VORTAC?
• If signals from an off-airway radio facility are inadequate to identify the fix at the designated MEA, which altitude should be used for the fix?
• How does RVR differ from general visibility?
• For planning purposes, what is the highest usable altitude for an IFR flight on V16 from BGS VORTAC to ABI VORTAC?
• What is the role of engine instruments in an aircraft?
• What is the definition of the Minimum Enroute Altitude (MEA)?
• What does “RVR” refer to in aviation weather?
• What does an Altimeter measure?
• What is the purpose of a missed approach holding pattern?
• What is a significant factor in holding pattern entry?
• What is the maximum indicated airspeed allowed in a holding pattern above 14,000 feet?
• What is a "visual approach" in aviation?
• What does "IMC" stand for in aviation terminology?
• Which of the following features is used when assigning minimum altitudes over certain points by ATC?
• What does the localizer course symbol at Jack Brooks Regional Airport indicate?
• When should you start timing for the inbound leg of a holding pattern?
• What is the highest MEA on V187 between Grand Junction Regional and Durango Animas Air Park?
• What is the significance of a “supervised navigation” concept in aviation?
• At what point should a VOR changeover be made from JNC VOR to MANCA intersection southbound on V187?
• When should timing begin for the first leg outbound in a nonstandard holding pattern?
• What does a “type rating” allow a pilot to do?
• In what scenario would pilots rely more heavily on a visual approach?
• What characterizes a precision approach?
• What is the recommended procedure to enter the holding pattern when cleared to hold north on the three six zero radial?
• What is the frequency range classified as “very high frequency” (VHF) in aviation communication?
• Where is the VOR Changeover Point (COP) on V27 between the GVO and MQO VORTACs?
• What information does the MOCA provide during flight?
• What is the primary purpose of a Course Deviation Indicator (CDI)?
• What does "IMC" stand for in aviation?
• What is the recommended procedure to enter the holding pattern for the clearance: 'CLEARED TO THE ABC VORTAC. HOLD WEST ON THE TWO SEVEN ZERO RADIAL'?
• What entry type is recommended for the missed approach holding pattern at Riverside Municipal?
• What does the acronym “TAA” stand for in aviation?
• What do "crossing restrictions" on an approach chart indicate?
• Explain the importance of “situational awareness” in instrument flying.
• What information is typically shown on an IFR Low Altitude En Route Chart?
• What type of aircraft operation would benefit significantly from an FMS?
• What is the maximum holding bank angle allowed in a standard holding pattern?
• Which instruments are primary for maintaining aircraft control?
• What is the recommended procedure to enter a holding pattern when cleared to hold north on the three six zero radial?
• What type of navigation aids are commonly used in instrument flight?
• What is the purpose of an obstacle clearance altitude in IFR operations?
• Describe the function of autopilot in instrument flight.
• Which of the following best describes the function of navigation instruments?
• When flying in IMC, which flight instrument is crucial for maintaining an aircraft's attitude?
• What does the term "PDA" refer to in the context of instrument flight?
• What does a standard terminal arrival area (TAA) help ensure?
• What type of instrument system primarily assists pilots during low visibility conditions?
• What is the purpose of a holding pattern?
• What does MEA assure regarding navigational signals?
• Why might a pilot choose a visual approach over an instrument approach?
• What type of lighting is available at Jackson Hole Airport according to the chart?
• What is the purpose of a flight routing procedure?
• When given a holding clearance, what is the recommended entry procedure if instructed to hold south on the 180 radial?
• What is the MOCA between JNC and HERRM intersection on V187?
• When en route from DBS VORTAC to JAC VOR/DME on V520, when should you change VOR frequencies?
• For planning purposes, what is the highest usable altitude for an IFR flight on V573 from the HOT VORTAC to the TXK VORTAC?
• What is the primary use of an artificial horizon in aviation?
• What action should a pilot take if they cannot maintain the required holding altitude?
• Which enroute low altitude navigation chart would cover proposed IFR routing departing from Billings Logan Intl. (BIL)?