Page:CAB Accident Report, TWA Flight 3 (January 1942).pdf/24

 which occurred in connection with the preparation of the flight plan involved in this instance should be eliminated. All airlines which do not now have procedures which call for an adequate check of flight plans should establish them. The company's operation manual required the captain to approve and sign the flight plan; nevertheless, the Board is considering the promulgation of a regulation which would make it a violation not to do so.

Every airline should also maintain a closer control on the determination of the gross weight and c.g. location of an airplane. If an average weight is used, either for all the passengers or for any group of passengers, it ought to be taken seriously enough to prevent the casual acceptance, on indirect information, of an intrinsically improbable figure. If the weight of the passengers is computed on an actual weight basis, it is obviously necessary that reasonable diligence be exercised by the station personnel to ascertain from the passengers their correct weights.

Approved: