While the Concorde utilized an electronic engine control package from Lucas, Tupolev was not permitted to purchase it for the Tu-144 as it could also be used on military aircraft.
ໃນຂະນະທີ່ Concorde ໄດ້ໃຊ້ຊຸດຄວບຄຸມເຄື່ອງຈັກເອເລັກໂຕຣນິກຈາກ Lucas, Tupolev ບໍ່ໄດ້ຮັບອະນຸຍາດໃຫ້ຊື້ມັນ ສໍາ ລັບ Tu-144 ເພາະມັນຍັງສາມາດໃຊ້ໃນເຮືອບິນທະຫານໄດ້.