4.C - Aeronautical Charts
(Refer to figure25 on page 4-34) (Area 1) What minimum altitude is necessary to vertically clear the obstacle on the northeast side of Airpark East Airport by 500 feet?
Answer: 1,273 feet MSL Explanation: the obstacle height is 773, add 500
(Refer to figure 25 on page 4-34) (Area 2) What minimum altitude is necessary to vertically clear the obstacle on the southest side of Winnsboro Airport by 500 feet?
Answer: 1,403 feet MSL Explanation: obstacle height is 903, add 500
(Refer to figure 24 on page 4-32) (Area 3) What is the height of the lighted obstacle approximately 6 nautical miles southwest of Savannah International?
Answer: 1,549 feet MSL Explanation: the lighted obstacle is marked with its elevation - MSL (AGL)
(Refer to figure 22 on page 4-23) On what frequency can a pilot receive Hazardous Inflight Weather Advisory Service (HIWAS) in the vicinity of Area 1?
Answer: 117.1 MHz Explanation: find the circled "H" which indicates HIWAS is available over the VOR frequency (117.1)
(Refer to figure 26 on page 4-27) (Area 3) If Redbird Tower is not in operation, which frequency should be used as a Common Traffic Advisory Frequency (CTAF) to monitor airport traffic?
Answer: 120.3 MHz Explanation: The tower frequency designated "CT-120.3" is next to the CTAF symbol
(Refer to figure 23 on page 4-25 and figure 32 on page 4-26) (Area 2) At Coeur D'Alene, which frequency should be used as a Common Traffic Advisory Frequency (CTAF) to monitor airport traffic?
Answer: 122.8 MHz Explanation: The CTAF symbol (c) lists 122.8 MHz
(Refer to figure 23 on page 4-25 and figure 32 on page 4-26) What is the correct UNICOM frequency to be used at Coeur D'Alene to request fuel?
Answer: 122.8 MHz Explanation: The UNICOM/CTAF is used for fuel, transportation, and other airport info
(Refer to figure 23 on page 4-25 and figure 32 on page 4-26) (Area 2) At Coeur D'Alene, which frequency should be used as a Common Traffic Advisory Frequency (CTAF) to self-announce position and intentions?
Answer: 122.8 MHz Explanation: The airport data block located near that airport lists 122.8 as the CTAF
(Refer to figure 27 on page 4-29) (Area 6) What is the CTAF/UNICOM frequency at Barnes County Airport?
Answer: 122.8 MHz Explanation: find the CTAF symbol (c).
(Refer to figure 22 on page 4-23) (Area 2) The CTAF/MULTICOM frequency for Garrison Airport is
Answer: 122.9 MHz Explanation: CTAF symbol is the letter "c" in a dark circle
(Refer to figure 27 on page 4-29) (Area 4) The CTAF/UNICOM frequency at Jamestown Airport is
Answer: 123.0 MHz Explanation: Find the CTAF symbol (c)
(Refer to figure 26 on page 4-27) (Area 2) The control tower frequency for Addison Airport is
Answer: 126.0 MHz Explanation: Tower frequency at Addison is indicated by letters CT
Pilots flying over a national wildlife refuge are requested to fly no lower than
Answer: 2,000 feet AGL
(Refer to figure 27 on page 4-29) (Area 3) When flying over Arrowwood National Wildlife Refuge, a pilot should fly no lower than
Answer: 2,000 feet AGL Explanation: Maintain 2,000 feet above National Wildlife Refuges
(Refer to figure 22 on page 4-23) The terrain elevation of the light tan area between Minot (Area 1) and Audubon Lake (Are 2) varies from
Answer: 2,000 feet to 2,500 feet MSL Explanation: Look at the color scale and contour interval
(Refer to figure 21 on page 4-21) (Area 2) The elevation of the Chesapeake Regional Airport is
Answer: 20 feet Explanation: Elevation is the first number listed on the last line of the airport description
(Refer to figure 26 on page 4-27) (Area 8) What minimum altitude is required to fly over the Cedar Hill TV towers in the congested area south of NAS Dallas?
Answer: 3,449 feet MSL Explanation: This is a congested area - add 1,000 to highest obstacle
(Refer to figure 21 on page 4-21) (Area 3) Determine the approximate latitude and longitude of Currituck County Airport
Answer: 36 degrees 24'N - 76 degrees 01'W Explanation: Longitude increases as you go west in the Western Hemisphere
(Refer to figure 24 on page 4-32) (Area 3) The top of the group obstruction approximately 11 nautical miles from the Savannah VORTAC on the 340 degree radial is
Answer: 445 feet MSL Explanation: there is a callout below the group obstruction
Which is true concerning the blue and magenta colors used to depict airports on Sectional Aeronautical Charts?
Answer: Airports with control towers underlying Class B, C, D, and E airspace are shown in blue
(Refer to figure 22 on page 4-23) (Area 2) Which airport is located at approximately 47degrees39'30"N latitude and 100degrees53'00"W longitude?
Answer: Crooked Lake
Which statement about longitude and latitude is true?
Answer: Lines of longitude cross the Equator at right angles
(Refer to figure 22 on page4-23) Which public use airports depicted are indicated as having fuel?
Answer: Minot Intl. (area 1) and Mercer County Regional Airport (area 3) Explanation: tick marks around an airport symbol indicate fuel
(Refer to figure 21 on page 4-21) (Area 5) The CAUTION box denotes what hazard to aircraft?
Answer: Unmarked balloon on cable to 3,000 feet MSL
(Refer to figure 26 on page 4-27) (Area 5) Th navigation facility at Dallas-Ft. Worth International (DFW) is a
Answer: VOR/DME Explanation: According to the legend, hexagon surrounded by square is a VOR/DME
(Refer to figure 21 on page 4-21) (Area 2) The flag symbol at Lake Drummond represents a
Answer: visual checkpoint used to identify position for initial callup to Norfolk Approach Control Explanation: The flag is 22 nautical miles southwest of Norfolk International so we assume the checkpoint is used when contacting Norfolk Approach
(Refer to figure 24 on page 4-32) The flag symbols at Statesboro Bullock County Airport, Claxton-Evans County Airport, and Ridgeland Airport are
Answer: visual checkpoints to identify position for initial callup prior to entering Savannah Class C airspace Explanation: the flag symbols represent checkpoints
