A) 1914–1918
B) 1991–2000
C) 1945–1991
D) 1939–1945

A) To manage immigration at West Berlin airports
B) To provide fuel for commercial jets
C) To manufacture aircraft for Western Allies
D) To control the corridors and control zone

A) Pan American World Airways
B) Lufthansa
C) LOT Polish Airlines
D) Aeroflot

A) 20 miles
B) 10 miles
C) 50 miles
D) 40 miles

A) 80 miles
B) 60 miles
C) 40 miles
D) 20 miles

A) 15,000 ft
B) 5,000 ft
C) 20,000 ft
D) 10,000 ft

A) To avoid severe thunderstorms
B) To accommodate heavy cargo planes
C) To allow for faster landing procedures
D) To accommodate Soviet military exercises

A) Tempelhof Air Authority
B) East German Traffic Control
C) NATO Air Command
D) BARTACC

A) Eastern air corridor
B) Centre air corridor
C) Southern air corridor
D) Northern air corridor

A) To save fuel for all airlines
B) To comply with Soviet speed limits
C) To ensure a safe operating environment
D) To reduce noise pollution

A) Limited cargo capacity for civilian flights
B) High landing fees in East Germany
C) Higher fuel consumption at low altitudes
D) Requirement for armed military escorts

A) A sudden storm over East Germany
B) Engine failure on the British Viking
C) Poor navigation equipment at Gatow
D) A Soviet fighter performing aerobatics

A) 20
B) 15
C) 10
D) 25

A) Claimed the plane violated restricted Soviet airspace
B) Claimed the plane was outside the air corridor
C) Claimed the plane was carrying weapons
D) Claimed the plane failed to identify itself

A) 12
B) 89
C) 100
D) 50

A) Near Frankfurt
B) Near Dallgow
C) Near Hamburg
D) Near Tempelhof Airport

A) Terrorist sabotage
B) Descent below altitude clearance limit
C) Mechanical failure of the engines
D) Mid-air collision with a Soviet plane

A) Personal belongings of the crew
B) Passenger manifests and cargo lists
C) The aircraft's landing gear
D) Flight data and cockpit voice recorders

A) Sunny with light clouds
B) Clear skies and high winds
C) Poor visibility and snow
D) Heavy fog and lightning