Boeing and Singapore Aircraft Leasing Enterprise (SALE) announced yesterday that the lessor has exercised options and purchase rights for 20 Boeing Next-Generation 737-800s.
The agreement, valued at $1.4bn at list prices, follows previous orders in May 2005 and April 2006 for a total of 30 737s.
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The new airplanes are scheduled for delivery between 2009 and 2011. As with previous orders by SALE, the 737-800 is the baseline model specified, but the agreement provides for conversions to other Next-Generation 737 family models.
UK homes more suitable for heat pumps than expected
Hello Gordoun, you can use a simple empirical formula to estimate COP (my own analysis, unpublished, based on the Building Research Establishment...