Analysis of information sources in references of the Wikipedia article "KAI KUH-1 Surion" in English language version.
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: CS1 maint: numeric names: authors list (link)One of the allegations facing Ha is that that the company made at least 24 billion won ($21.3 million) in illicit profits by inflating development costs for Surion utility helicopters, T-50 supersonic trainer jets and FA-50 light attack planes.
Auditors found that the state-run Defense Acquisition Program Administration (DAPA) has been covering up a number of defects with KAI's Surion chopper, including problems with its engine and lightning protection.