1. Normal VFR operations in Class D airspace with an operating control tower require the visibility and ceiling to be at least:
A. 1,000 feet and 1 mile
B. 1,000 feet and 3 miles
C. 2,500 feet and 3 miles
2. What is the minimum visibility for a pilot to receive a land and hold short [LAHSO] clearance?
A. 3 nautical miles
B. 3 statute miles
C. 1 statute mile
3. The amount of water vapor air can hold depends on the:
A. Dewpoint
B. Air temperature
C. Stability of the air
4. The angular difference between true north and magnetic north is:
A. Magnetic deviation
B. Magnetic variation
C. Compass acceleration error
5. The greatest vortex strength occurs when the generating aircraft is:
A. Light, dirty and fast
B. Heavy, dirty and fast
C. Heavy, clean and slow
6. One in-flight condition necessary for structural icing to form is:
A. Small temperature / dewpoint spread
B. Stratiform clouds
C. Visible moisture
1. B; 2. B; 3. B; 4. B; 5. C; 6. C