Reduced documentation requirements factored into $271 million in unsupported costs, $85 million in questioned costs, $3 million in improper payments, DOT inspector general found.

The OIG laid out dozens of examples of improper payments for costs incurred before the eligibility period, including expenses incurred as far back as 2018, two years before the pandemic started.

The FAA "approved more than $271 million in reimbursements based on little more than recipient-developed spreadsheets or memos