Chapter 4 Section C Test Guide
(Refer to Figure 24, area 1.) What minimum altitude is required to vertically clear the obstacle in the uncongested area on the northeast side of Airpark East Airport?
1,273 feet MSL. Start by identifying Airpark East. Its symbol is below the label, and has an obstacle immediately northeast of it. In uncongested areas, the FARS require 500 feet of obstacle clearance. Add 500 feet to the obstacle elevation of 773 feet MSL.
(Refer to Figure 24, area 2.) What minimum altitude is necessary to vertically clear the obstacle in the uncongested area on the southeast side of Winnsboro Airport by 500 feet?
1,403 feet MSL. In uncongested areas, the FARS require 500 feet of obstacle clearance. Add 500 feet to the obstacle elevation of 903 feet MSL.
(Refer to Figure 22, area 2 and Figure 31.) At Coeur D'Alene, which frequency should be used as a Common Traffic Advisory Frequency (CTAF) to self-announce position and intentions?
122.8 MHz In this example, the airport data block located near Coeur D'Alene airport lists 122.8 MHz as the CTAF frequency that should be used to self-announce your position and your intentions. The Chart Supplement excerpt also shows 122.8 MHz as the CTAF/UNICOM frequency. 122.05 MHz is the Flight Service frequency (Boise Radio) and 135.075 MHz is the AWOS frequency, also available at telephone number (208) 772-8215.
(Refer to Figure 22, area 2 and Figure 31.) What is the correct UNICOM frequency to be used at Coeur D'Alene to request fuel?
122.8 MHz Use the Unicom/CTAF frequency of 122.8 MHz to request fuel, transportation, or other airport information.
(Refer to Figure 26, area 5.) What is the CTAF/ UNICOM frequency at Barnes County Airport?
122.8 МНz. The CTAF symbol, the circled C, is next to the frequency 122.8 MHz. The frequency 118.725 MHz is for ASOS weather broadcasts and 1402 is the field elevation.
(Refer to Figure 20, area 2.) The elevation of the Chesapeake Regional Airport is
19 feet. The elevation is the first number listed before the runway information. In this case, it is 19 feet.
(Refer to Figure 26, area 3.) When flying over Arrowwood National Wildlife Refuge, a pilot should fly no lower
2,000 feet AGL. You are requested to maintain a minimum altitude of 2,000 feet above National Wildlife Refuges.
Pilots flying over a national wildlife refuge are requested to fly no lower than
2,000 feet AGL. You are requested to maintain a minimum altitude of 2,000 feet above National Wildlife Refuges.
(Refer to Figure 25, area 8.) What minimum altitude is required to fly over the Cedar Hill TV towers in the congested area east of Joe Pool Lake?
3,549 feet MSL. Because this area is a congested area, add 1,000 feet to the elevation of the highest obstacle. The highest elevation (height) of these towers is 2,549 feet MSL (1,731 feet AGL), so the minimum altitude would be 3,549 feet MSL. You would need an ATC clearance to fly at this altitude because the floor of Class B airspace at this location is 3,000 feet MSL.
(Refer to Figure 20, area 3.) Determine the approximate latitude and longitude of Currituck County Airport.
36°24'N -76°01'W. This airport is located northeast of the number "3." Starting near the top of the chart excerpt near number "1" find the labels for the 37° latitude line and the 76° longitude line. That means the latitude line through the middle of the picture is 36°30'N. Count down the tick marks-one minute per tick mark-until abeam Currituck County Airport at 36°24'N. At one tick mark west of the 76° longitude line, the longitude of the airport is 76°01'W.
(Refer to Figure 23, area 3.) The top of the group obstruction approximately 11 nautical miles from the Savannah VORTAC on the 010° radial is
454 feet MSL. At 11 NM, this obstruction is just outside the VOR compass rose. It is labeled "stacks" and has the number 454 next to it. When only one number is printed, not in parentheses, it is the MSL altitude. The nearby 559 (505) foot group is inside the edge of the Savannah Class C airspace, which is noticeably closer to the VOR than 11 NM. The Class C airspace does not line up with the Savannah VORTAC because the VORTAC is north of the center of Savannah/Hilton Head International Airport, as shown by the dot on the airport symbol.
Which is true concerning the blue and magenta colors used to depict airports on sectional aeronautical charts?
Airports with control towers underlying Class B, C, D, and E airspace are shown in blue. Airports with control towers are depicted in blue on sectional charts.
Which statement about longitude and latitude is true?
Lines of longitude cross the Equator at right angles. Lines of longitude connect the poles and are perpendicular to the equator.
(Refer to Figure 21.) Which public use airports depicted are indicated as having fuel?
Minot Intl. (area 1). Tick marks around an airport symbol indicate that fuel is available.
(Refer to Figure 59, area 3.) Which airport is located at approximately 41°02'00"N latitude and 83°59'00"W longitude?
Putnam The 41° latitude line and the 84° longitude line are labeled near area 3. The airport is two tick marks above the 41° latitude line, which might be difficult to see, so count down from the 5-minute tick mark. At 83°59'00"W longitude, the airport is one tick mark east of the 84° longitude line. This intersection is at Putman Airport (OWX).
(Refer to Figure 21.) On what frequency can a pilot receive hazardous in-flight weather advisory service (HIWAS) near area 1?
The Minot VOR frequency. The circled "H" in the corner of the Minot VORTAC indicates that weather information (HIWAS) is available over the VOR frequency.
(Refer to Figure 20, area 5.) The CAUTION box denotes what hazard to aircraft?
Unmarked balloon on cable to 3,008 feet MSL. The CAUTION box indicates an unmarked balloon on a cable to 3,008 feet MSL.
(Refer to Figure 25, area 5.) The navigation facility at Dallas-Ft. Worth International (DFW) is a
VOR/DME. This symbol appears immediately south of the runways at DFW. According to Legend 1, a hexagon surrounded by a square is a VOR/ DME symbol.
(Refer to Figure 21, area 3.) Which airport is located at approximately 47°21'30"N latitude and 101°01'30"W longitude?
Washburn. The 48° latitude line crosses the top third of the chart. The latitude line along the bottom third is 30' less, or 47°30'N. Count down 9-1/2 tick marks (minutes) for 47°21'30"N. Because the longitude of the airport is more than 101°W, move to the left of the 101° line 1-1/2 tick marks to arrive at 101°01'30"W. This intersection is at Washburn Airport (5C8).
(Refer to Figure 20, area 2.) The flag symbol at Lake Drummond represents a
visual checkpoint used to identify position for initial callup to Norfolk Approach Control. The flag represents a visual checkpoint used to identify your position for approach control. Because the flag is 22 nautical miles southwest of Norfolk International Airport, it can be assumed that the checkpoint is used when contacting Norfolk Approach.
(Refer to Figure 23, area 3.) What is the elevation of the obstacle with strobe lights that is approximately 6 nautical miles southwest of Savannah International?
1,548 feet MSL. About 6 nautical miles southwest of the center of Savannah International Airport is an obstacle with a strobe light symbol. Its elevation is marked as 1,548 (1,534). The first number is the elevation in MSL, and the number in parentheses is height AGL. Other nearby numbers mark a group of obstacles about 10 miles away that do not have strobe lights.
Coeur D'Alene, which frequency (Refer to Figure 22, area 2 and Figure 31.) At should be used s a Common Traffic Advisory Frequency (CTAF) to monitor airport traffic?
122.8 МНz. At non-towered airports, the CTAF frequency is used to self-announce position or intentions. The Chart Supplement's A/FD section lists the CTAF/Unicom frequency as 122.8 MHz. The CTAF symbol on the sectional chart is beside the frequency of 122.8 MHz.
(Refer to Figure 21, area 2.) The CTAF/ MULTICOM frequency for Garrison Airport is
122.9 MHz. The frequency next to the CTAF symbol (the letter "C" in a dark circle) is the multicom frequency of 122.9 MHz.
(Refer to Figure 59, area 3.) The CTAF/ MULTICOM frequency for Wyandot County Airport (56D) is
122.9 MHz. The frequency next to the CTAF symbol (the letter "C" in a dark circle) is the multicom frequency of 122.9 MHz.
(Refer to Figure 26, area 4.) The CTAF/UNICOM frequency at Jamestown Airport is
123.0 MHz. The CTAF symbol, the circled C, is next to the frequency 123.0 MHz. The frequency 118.425 MHz is for ASOS weather broadcasts and the frequency 122.2 MHz is for Flight Service.
(Refer to Figure 25, area 2.) The control tower frequency for Addison Airport is B-
126.0 MHz. The tower frequency at Addison Airport is 126.0 MHz as indicated by the letters "CT"
(Refer to Figure 59, area 1 and Figure 63.) What is the correct frequency to be used to contact Toledo Approach if approaching the Toledo Express Class C airspace from the east?
126.1 MHz. You can find the frequency in both the Chart Supplement's A/FD section and on the sectional chart. On the chart, a box east of the Class C airspace says to contact Toledo Approach within 20 NM on 126.1 MHz. In the A/FD, under Communications, The Approach/ Departure control frequency is 121.1 MHz on radials 360°-179°, the east side of the airport. The frequency is 134.35 MHz on the west side (radials 180°-359°). A third frequency, 123.975 MHz, is also available, but not associated with any specific direction from the airport.
(Refer to Figure 25, area 3.) If Dallas Executive Tower is not in operation, which frequency should be used as a Common Traffic Advisory Frequency (CTAF) to monitor airport traffic?
127.25 MHz. The star next to the tower frequency "CT 127.25" MHz indicates that the tower operates part-time. You can find the hours of operation in the Chart Supplement's A/FD section. The circled "C" indicates that 127.25 MHz is the CTAF frequency when the tower is not operating.
(Refer to Figure 21.) The terrain elevation of the light tan area between Minot (area 1) and Audubon Lake (area 2) varies from
2,000 feet to 2,500 feet MSL. The colored scale shows that the tan area represents terrain above 2,000 feet MSL. In addition, the legend states that the contour interval is 500 feet. Between Minot and Audubon Lake, there are no contour lines in the tan area, which indicates that no terrain exists above 2,500 feet. Checking the airports in this area reveals that their elevations are all less than 2,500 feet. In addition, tower and windmill heights in MSL minus their AGL heights all yield base elevations less than 2,500 feet.
(Refer to Figure 20, area 1.) The NALF Fentress (NFE) Airport is in what type of airspace?
Class E. NFE is outside the solid magenta lines delineating the Norfolk Class C airspace, but inside a dashed magenta circle indicating Class E airspace at the surface.
(Refer to Figure 23, areas 2 and 3.) The flag symbols at Statesboro Bullock County Airport, Claxton-Evans County Airport, and Ridgeland Airport are
visual checkpoints to identify position for initial callup before to entering Savannah Class C airspace. The flag symbols represent checkpoints used to identify the aircraft position for approach control. In this case, they are visual checkpoints used when contacting Savannah Approach Control.
