operating empty weight

weight of an aircraft without usable fuel or payload

en-GB/ˈɒpəɹeɪtɪŋ ɛmptiː ˈweɪt/
en-US/ˈɑpɚˌeɪtɪŋ ˈɛmti ˈweɪt/

زمرے:

massmeasurement