| 41. | Deliveries of the firm orders will start in late 1998.
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| 42. | So far, Boeing has 52 firm orders for the 777-300.
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| 43. | Boeing has yet to receive firm orders for the 7E7.
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| 44. | Airbus has 5, 069 firm orders as of December 2016.
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| 45. | The orders become definitive when a firm order is signed.
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| 46. | Boeing had 188 firm orders as of June 20.
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| 47. | In addition, another 308 airliners are on firm order.
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| 48. | Firm orders become deliveries in two to three years.
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| 49. | Airbus said it had 476 firm orders in 1999.
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| 50. | Airbus had 476 firm orders to 332 for Boeing.
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