86. In air traffic control, the purpose of transfer of authority for a flight is to ____.

1. delegate powers in the event of an emergency
2. designate a control center that can direct the pilot at a given time
3. allow computer control
4. complete the sale of excess seating

87. According to the passage, all are true about TRACON areas EXCEPT ____.

1. TRACON areas must include only one or two airports
2. TRACON controllers direct takeoff and landing
3. TRACON controls flight in airspace near airports
4. TRACON controllers supervise two of the most critical phased of flight

88. According to the passage, it is reasonable to assume that ____.

1. the transfer of authority for a flight is automatic
2. airports have insignificant responsibility for air traffic control
3. once an airplane lands, authority is transferred to the airport control tower
4. pilot never have authority for a flight

89. This passage would most likely appear in ____.

1. a novel
2. an aircraft technical manual
3. a policy briefing
4. a history of aviation

90. The main purpose of the passage is to ____.

1. describe the air traffic control system and its needs as the volume of air traffic increases
2. argue against the system of transfer of authority
3. compare and contrast airplane travel with other modes of transportation
4. add to the long-running debate between ARTCC and TRACON authority

(Reference keys.)