Airport Signs, Markings, and Lights 2
PA.II.D.K4 Visual indicators for wind
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1. You are on approach to land on Runway 19 of a non-towered airport. You observe ripples on the southeast side of a small lake 3/4 mi. east of the airport. What is the most appropriate course of action?
Answer (A) is correct. (AIM Para 4-3-4) Checking the wind sock would enable you to verify the wind direction over the field and determine the best runway for landing.
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2. Which is the correct traffic pattern departure procedure to use at a noncontrolled airport?
Answer (A) is correct. (14 CFR 91.127) Each person operating an airplane to or from an airport without an operating control tower shall (1) in the case of an airplane approaching to land, make all turns of that airplane to the left unless the airport displays approved light signals or visual markings indicating that turns should be made to the right, in which case the pilot shall make all turns to the right, and (2) in the case of an airplane departing the airport, comply with any FAA traffic pattern for that airport.
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3. The segmented circle indicates that a landing on Runway 26 will be with a (Refer to Figure 50: Wind Sock Airport Landing Indicator)
Answer (A) is correct. (AIM Para 4-3-4) The wind cone at the center of the segmented circle depicted in Fig. 50 indicates that a landing on Runway 26 will be with a right-quartering headwind. The large end of the wind cone is pointing to the direction from which the wind is coming, i.e., a northwest headwind on the right quarter of an airplane landing from the east to the west.
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4. The traffic patterns indicated in the segmented circle have been arranged to avoid flights over an area to the (Refer to Figure 50: Wind Sock Airport Landing Indicator)
Answer (B) is correct. (AIM Para 4-3-4) The traffic patterns indicated in the segmented circle depicted in Fig. 50 have been arranged to avoid flights over an area to the southeast of the airport. All departures from the runways are to the north or west. All approaches to the airport indicate a pattern of arrival from 180° clockwise to 90°, leaving the southeastern quadrant free of flight.
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5. The segmented circle indicates that the airport traffic is (Refer to Figure 50: Wind Sock Airport Landing Indicator)
Answer (C) is correct. (AIM Para 4-3-4) A segmented circle (Fig. 50) is installed at uncontrolled airports to provide traffic pattern information. The landing runway indicators are shown coming out of the segmented circle to show the alignment of landing runways. In Fig. 50 (given the answer choices), the available runways are 18-36 and 9-27.
The traffic pattern indicators are at the end of the landing runway indicators and are angled out at 90°. These indicate the direction of turn from base to final. Thus, the airport traffic is left-hand for Runway 36 and right-hand for Runway 18. It is also left-hand for Runway 9 and right-hand for Runway 27.
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6. Which runway and traffic pattern should be used as indicated by the wind cone in the segmented circle? (Refer to Figure 50: Wind Sock Airport Landing Indicator)
Answer (C) is correct. (AIM Para 4-3-4) The appropriate traffic pattern and runway, given a wind from the northwest (Fig. 50), is left-hand traffic on Runway 36, which would have a quartering headwind.
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7. Select the proper traffic pattern and runway for landing. (Refer to Figure 49: Airport Diagram)
Answer (C) is correct. (AIM Para 4-3-4) The tetrahedron indicates wind direction by pointing into the wind. On Fig. 49, Runways 4 and 22 are closed, as indicated by the X at each end of the runway. Accordingly, with the wind from the southwest, the landing should be made on Runway 18. Runway 18 has right-hand traffic, as indicated by the traffic pattern indicator at a 90° angle to the landing runway indicator in the segmented circle.
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8. The arrows that appear on the end of the north/south runway indicate that the area (Refer to Figure 49: Airport Diagram)
Answer (A) is correct. (AIM Para 2-3-3) The arrows that appear on the end of the north/south runway (displaced thresholds) as shown in Fig. 49 indicate that the area cannot be used for landing but may be used for taxiing, takeoff, and the landing rollout.
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9. If the wind is as shown by the landing direction indicator, the pilot should land on (Refer to Figure 49: Airport Diagram)
Answer (C) is correct. (AIM Para 4-3-4) Given a wind as shown by the landing direction indicator in Fig. 49, the pilot should land to the south on Runway 18 and expect a crosswind from the right. The tetrahedron points to the wind that is from the southwest.
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