Which model has 4L as its door safety FA?

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Multiple Choice

Which model has 4L as its door safety FA?

Explanation:
The number with a left-side door and a four indicates a stretched, longer version of the aircraft that adds an extra exit. On the Boeing 767-400ER, Boeing added a fourth pair of doors (4L on the left, 4R on the right) to the fuselage, so the door labeled 4L exists only on that model. The 767-300ER and earlier variants do not have a 4L door; their aft exits are numbered 3L/3R. Therefore, the door safety designation for 4L corresponds specifically to the 767-400ER.

The number with a left-side door and a four indicates a stretched, longer version of the aircraft that adds an extra exit. On the Boeing 767-400ER, Boeing added a fourth pair of doors (4L on the left, 4R on the right) to the fuselage, so the door labeled 4L exists only on that model. The 767-300ER and earlier variants do not have a 4L door; their aft exits are numbered 3L/3R. Therefore, the door safety designation for 4L corresponds specifically to the 767-400ER.

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