对于托运人，在填制航空货运单时需要遵循的原则：
1)The correct shipper (“A”) and consignee (“B”) must be shown
必须填写正确的发货人(“A”)和收货人(“B”)。
2)The airports of departure (“C”) and destination (“D”) must be shown
必须填写始发站机场(“C”)和目的地机场(“D”)
3)The goods description (“E”) must be consistent with that shown on other documents.
货物的描述(“E”)必须与其他的单据一致(注释：consistent with: 与…一致) 4)Any weights, measures or shipping marks (“F”) must agree with those shown on other documents.
航空货运单上记载的重量、尺寸或者唛头(“F”)必须与其他单据一致(注释：agree with: 同意，适合，在这里引申为“一致，相符”)
5)It must be signed and dated by the actual carrier (“G”) or by the named agent of a named carrier.
航空货运单必须由实际承运人(“G”)或者指定的承运人的代理人签字并注明日期。
6) It must state whether freight (“H”) has been paid or is payable at destination
航空货运单上必须注明已付或者目的地到付的运费(“H”)
