Ex. 5. Here is the Board of Accident Investigation report on the same Gottröra Crash. Fill in the gaps with the correct forms of the verbs, either active or passive. Pay attention to the appropriate u
Ex. 5. Here is the Board of Accident Investigation report on the same Gottröra Crash. Fill in the gaps with the correct forms of the verbs, either active or passive. Pay attention to the appropriate use of past tenses as well.
The aircraft which (operate) by Scandinavian Airlines System (SAS)
. . . . . . . . . (takeoff) in December 1991 at 08.47 from Stockholm / Arlanda airport. It (land) at Arlanda at approximately 22.10 hours the previous day and
. . . . . . . . . (park) outdoors overnight. Prior to take-off the aircraft (de-ice).
The captain (make) a rolling take-off, which was normal up to the ro-
tation. But while lifting off the crew . . . . . . . . . (hear) an abnormal noise, which they could not identify.
After approximately 25 second flight the right engine . . . . . . . . . . (start) to surge. The captain . . . . . . . . . . (throttle back) on that engine, but without the surging ceasing.* The surges (continue) until the engine stopped deli-
vering thrust 41 seconds after the surges (start).
When the flight . . . . . . . . . (last) about 65 seconds the left engine also . . . . . . . . .
(start) to surge, which the pilots . . . . . . . . . (not/ notice) before this engine also . . . . . . . .
(lose) thrust. This happened two seconds after the right engine (fail).
The crew (decide) to make an emergency landing. Approaching the
field, which . . . . . . . . . . (choose) for landing, the plane (collide) with
trees and the major part of the right wing (tearoff). The tail of the air-
craft . . . . . . . . . . (strike) the ground first. After impact the aircraft . . . . . . . . . .
(slide) along the ground for approximately 110 meters before coming to rest. The fuselage . . . . . . . . . . (break) into three pieces. No fire broke out. One passenger suffered a disabling back injury. Apart from four persons, all on board . . . . . . . . . .
(make) their own way out of the aircraft.
The Board of Accident Investigation found that the accident . . . . . . . . . .
(cause) by SAS instructions and routines being inadequate to ensure that clear ice
. . . . . . . . . . (remove) from the wings of the aircraft prior to take-off. During lift- off clear ice came loose and was ingested by the engines causing damage to the fan stages** of the engines, which led to engine surging. The engines . . . . . . . . . .
(destroy) by the surges.