Attempto Controlled English

The Government Accountability Office, in a 2003 address on one of the Federal Aviation Administration’s air cartage ascendancy addition programs,5 recommends afterward the agency’s advice for managing above accretion systems by

establishing, maintaining, and authoritative an accurate, valid, and accepted achievement altitude baseline, which would cover negotiating all authorized, unpriced plan aural 3 months;

conducting an chip baseline analysis of any above arrangement modifications aural 6 months; and

preparing a accurate life-cycle amount estimate, including a accident assessment, in accordance with the Accretion System Toolset’s advice and anecdotic the akin of ambiguity inherent in the estimate.