Annual report pursuant to Section 13 and 15(d)

Revenue Recognition

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Revenue Recognition
12 Months Ended
Dec. 31, 2023
Revenue Recognition and Deferred Revenue [Abstract]  
Revenue Recognition Revenue Recognition
The Company’s revenue is primarily from provision of flight services to its customers. The Company recognizes revenue when customers obtain control of promised goods or services in an amount that reflects the consideration the Company expects to receive for those goods or services.
Flight services
Flight services revenue primarily includes consideration for the Company’s performance of customers directed flights and on-base operations for various U.S. Department of Defense agencies (“DOD”). These services are used by the DOD to demonstrate how eVTOL aircrafts can support a range of logistics missions, in realistic mission settings, including cargo and passenger transportation, and could be operated by both the Company’s and DOD’s personnel. On-base operations also include the training of DOD pilots and aircraft maintenance crews, as well as access to aircraft simulator, which provides the DOD with valuable insight into the performance of an eVTOL aircraft. Revenues are recognized as services are rendered and performance obligations are satisfied over time in accordance with contractual terms.

Flight services operating expenses primarily comprise of flight, flight support, and maintenance personnel, cost of operating flight-support aircraft, depreciation of capitalized ground support equipment and the Company’s aircraft electricity costs, as directly attributed to the Company’s performance of these flight services. Flight services operating expenses do not include aircraft and aircraft parts manufacturing costs as these costs are expensed as research and development costs by the Company when incurred, based on applicable research and development accounting guidance.
Contract Assets, Liabilities and Receivables
The Company generally satisfies performance of contract obligations by providing flight services to its customers in exchange for consideration. The timing of performance may differ from the timing of the customer’s payment, which results in the recognition of a contract asset or a contract liability. A contract asset exists when the Company has a contract with a customer for which revenues has been recognized (i.e., services have been performed), but customer payment is contingent on a future event (i.e., satisfaction of additional performance obligations). These contract assets are transferred to receivables when the right to consideration becomes unconditional. Contract liabilities relate to deferred revenues in which advance consideration is received from customers for contracts where revenues are recognized based on future performance of services. The Company typically invoices customers on a monthly basis with the payment due between 30 and 60 days from the date of invoice.
There were no contract assets and receivables from the customers as of December 31, 2023, 2022 and 2021. There was no revenue from contracts with the customers during the years ended December 31, 2022, and 2021.
Contract liabilities represents payments by customers in advance of receiving the Company’s flight services, see table below (in thousands).
December 31,
2023 2022
Contract liabilities under contracts with customers $ 2,534  $ — 
Remaining Performance Obligations
Remaining performance obligations represent contracts for which work has not been performed and future revenue recognition is expected. The Company has elected the practical expedient permitting the exclusion of disclosing remaining performance obligations for contracts that have an original expected duration of one year or less. The Company’s contracts with its customers can be cancelled without penalty and with a notice period of less than a year. Additionally, these contracts do not commit customers to acquire specific amounts of flight services and permit them to decrease the flight services under the contracts with a corresponding decrease in the consideration without penalty.