An acoustic airspeed sensor system, comprising: at least one acoustic transmitter configured to provide an acoustic pulse; a plurality of acoustic receivers (14A-14L), including at least: a first acoustic receiver positioned at a first radial distance from the at least one acoustic transmitter, the first acoustic receiver configured to: receive the acoustic pulse at a first time; and output a first receiver signal; a second acoustic receiver positioned at a second radial distance from the at least one acoustic transmitter, the second acoustic receiver configured to: receive the acoustic pulse at a second time; and output a second receiver signal; and an air data module operatively connected to the first acoustic receiver and the second acoustic receiver, the air data module configured to: receive the first receiver signal and the second receiver signal; determine a first signal delay between receiving the first receiver signal and transmission of the acoustic pulse by the acoustic transmitter; determine a second signal delay between receiving the second receiver signal and transmission of the acoustic pulse by the acoustic transmitter; determine a wind angle based on the first signal delay and the second signal delay; determine true air speed, TAS, based upon the first signal delay, the second signal delay, and the wind angle; and output a TAS signal indicative of the TAS. at least one acoustic transmitter configured to provide an acoustic pulse; a plurality of acoustic receivers (14A-14L), including at least: a first acoustic receiver positioned at a first radial distance from the at least one acoustic transmitter, the first acoustic receiver configured to: receive the acoustic pulse at a first time; and output a first receiver signal; a second acoustic receiver positioned at a second radial distance from the at least one acoustic transmitter, the second acoustic receiver configured to: receive the acoustic pulse at a second time; and output a second receiver signal; and a first acoustic receiver positioned at a first radial distance from the at least one acoustic transmitter, the first acoustic receiver configured to: receive the acoustic pulse at a first time; and output a first receiver signal; receive the acoustic pulse at a first time; and output a first receiver signal; a second acoustic receiver positioned at a second radial distance from the at least one acoustic transmitter, the second acoustic receiver configured to: receive the acoustic pulse at a second time; and output a second receiver signal; and receive the acoustic pulse at a second time; and output a second receiver signal; and an air data module operatively connected to the first acoustic receiver and the second acoustic receiver, the air data module configured to: receive the first receiver signal and the second receiver signal; determine a first signal delay between receiving the first receiver signal and transmission of the acoustic pulse by the acoustic transmitter; determine a second signal delay between receiving the second receiver signal and transmission of the acoustic pulse by the acoustic transmitter; determine a wind angle based on the first signal delay and the second signal delay; determine true air speed, TAS, based upon the first signal delay, the second signal delay, and the wind angle; and receive the first receiver signal and the second receiver signal; determine a first signal delay between receiving the first receiver signal and transmission of the acoustic pulse by the acoustic transmitter; determine a second signal delay between receiving the second receiver signal and transmission of the acoustic pulse by the acoustic transmitter; determine a wind angle based on the first signal delay and the second signal delay; determine true air speed, TAS, based upon the first signal delay, the second signal delay, and the wind angle; and output a TAS signal indicative of the TAS.