The DA40 NG is an all-round practical and versatile 4-seat airplane for the 21st century. Personal flying, instruction, cross country transportation, the DA40 NG offers a unique blend of practicality, ...

美团自研第四代无人机近日取得重大突破，成功通过民航局审查，荣获全国首张低空物流全境覆盖运营合格证。这一里程碑式的成就标志着美团成为国内首个获准在中国全境开展物流运输的低空运营人，正式开启全国常态化商业运营新篇章。 此次通过审查的第四 ...