§ 241.1689 - Construction Work in Progress.

(a) Record here all direct and indirect costs of the air carrier that are expended for constructing and readying property and equipment of all types and classes for installation in operations. The amount reported shall reflect all such expenses that are accumulated to the balance sheet date. Where properly includable in the property and equipment classification, record here also the accumulated costs for uncompleted overhauls of airframes, aircraft engines, or other material units of property.

(b) At the option of the air carrier this account may be used as a clearing account for recording the cost of property and equipment acquisitions prior to a distribution thereof to the appropriate property accounts, whether or not conditioning or modification is necessary before placing in service.