The goods will be accepted for transport, only when all the laws and regulations of the countries of origin, transit and destination, as well as of other International Organizations, have been fulfilled by the shipper and / or the consignee.

Note: These laws and regulations may relate to Customs Services, Agricultural and Livestock Services, Police Controls, Sanitary Services, ICAO and IATA Regulations, Endangered Species Controls (CITES), Control Area Instructions and Quality, in addition to any regulation contained in any Company Manual, apart from the regulations contained in this Manual. Thus, mas, subscribes the Regulations contained in the Manuals of Dangerous Goods and Live Animals of IATA, regulation that will be applied along all its routes.


The following shipments will only be accepted through a prior arrangement:

  1. Expeditions that require any special attention,
  2. Expeditions or items of extraordinary value,
  3. Expeditions of live animals,
  4. Expeditions of human remains,
  5. Expeditions of dangerous goods,
  6. Shipments of firearms with sporting purposes can be accepted, as long as they are allowed by the countries of origin, transit and destination.


  1. Weapons, accoutrements, war debris,
  2. Expeditions under the form C.O.D. (Charge or Cash on Delivery),
  3. Radioactive materials that require temperature control,
  4. Shipments containing infectious waste of any kind,
  5. Live infected animals,
  6. Human remains of persons who have died of an infectious contagious disease, unless they are incinerated,
  7. Dangerous Goods, the transportation of which is prohibited on both cargo and passenger aircraft,
  8. Species of wild fauna and flora protected by CITES that are in danger of extinction and do not have the corresponding governmental permits,
  9. Items capable of compromising the safety of the aircraft, people or property or causing discomfort to passengers and crew.
  10. Items that are prohibited by the laws or regulations of the countries of origin, transit and destination.

This does not include those small arms that are traded with sports, nor those weapons destined to police institutions of some country, such as: pistols, shotguns, rifles, etc. provided that the import and export permits of the states concerned (including transit countries) are added to the rest of the documentation.


mas, will refuse to transport any shipment on its aircraft from the airport of origin or from any other point, when it reasonably appears that such shipment is wrap or packed poorly.

  1. Is of a quality or type that is likely to be damaged by high or low temperatures and there are no facilities available to protect the shipment from such adverse conditions,
  2. It is of such nature or has defects that indicate to the carrier that its transportation can not be carried out without loss or damage of the goods.
  3. Is packed or packaged poorly

mas, at the time of reception, will carry out the weighing of the cargo and establish the weight to volume ratio of the cargo (cubing) according to the following density equivalences:

  1. International routes:
    1. 6000 cms3 = 1 kilogram
    2. 1 m3 = 167 kilogram

Example: to calculate the volume weight of a package, the Length (L) is multiplied by the Width (A) and the Height (H) and divided by 6000. Example: A package of 70 x 80 x 50 cms. will give the following result

70 x 80 x 50 = 280000 cms3 = 46, 66 Kg. to collect 47

Note: According to an IATA Regulation, kilo fractions are raised to the higher half kilo. (See TACT Rules 3.9.4 Paragraph 1)

  1. National routes:
    1. 6000 cms3 = 1 kilogram
    2. 1 m3 = 167 kilograms

The acceptance of the cargo by mas, will not be based on the figures shown in the Air Waybill or other attached document (particularly in the case of transfers from other carriers). The pieces of load will be counted and will be weighed in scale. These data will be recorded in the Warehouse Receipt or any other document that is issued due to the reception and acceptance of the cargo, with the purpose of making the changes in the Air Waybill in the event that there is discrepancies, before the cargo is manifested to be put on board.


Shipments may be accepted from known and / or accredited Agents / Shippers (Known Shipper or Credited Agencies). If there are some packages of customers of any Cargo Agency that has been duly qualified by the State of origin, the Agent / Shipper, may issue a SECURITY DECLARATION in writing on paper with the letterhead of his Company in which he will respond for the security of the cargo you are sending.

Shipments received from unknown shippers, whatever their nature, and of those cargoes that will be dispatched, will be subject to additional controls such as ocular verification, by X-rays, gamma rays or by trained dogs; All the available documentation will be examined to determine the name and address of the shippers, these tasks will correspond to the commercial and security area.

At all cargo acceptance points, these may be subjected to random or strict physical controls, such inspections or controls are carried out by the corresponding customs or local authorities.



All those parts of loads that:

  1. Have extraordinary dimensions.
  2. Have unusual shapes and contours or,
  3. That require special handling due to its fragility or nature,
  4. Heavy loads.

They will be accepted for transport only with prior agreement, especially when several carriers are involved in transporting said loads.

An agent responsible for cargo of mas must verify that said cargo can be transported to its final destination, taking into account the type or types of aircraft that will be used.


Live animals, dangerous goods, valuable cargo They are not accepted as Courier,
Liquids or fragile cargo they are accepted only outside the bag and covered by an Individual Air Waybill (not consolidated), in addition they must comply with the proper packaging for the type of product
Perishables (According to MOC, Section 1, Chapter 5) They are accepted only outside the bag and only as samples
•Samples not classified as dangerous goods, refrigerated with dry ice (UN1845) They are accepted only outside the bag and covered by an Individual Air Waybill (not consolidated), the shipment will be subject to space, segregation on the flight and other requirements applicable to dangerous goods

Note 1: Any merchandise prohibited by law or international or national regulations of the States of origin, transit and destination of cargo will not be accepted as Courier.

Note 2: The acceptance of UN1845 must be carried out only by properly qualified personnel (who have approved the course of acceptance of dangerous goods and this is in force).


Unaccompanied baggage can be considered cargo and will only be accepted under cover of an air waybill as any other regular load. This type of boarding must be checked in physical form, by means of an X-ray machine and / or Gamma Rays or by dogs. This procedure must always be carried out, whether the shipment comes from an unknown shipper, from a known shipper or from a regulated agency and the competent authority must be involved to carry out said review.



The shipper must comply with all customs regulations and any other governmental regulations of any country from, to or about which it is flying, relating to the packing, transport and delivery of the goods, including the provision of all information and documentation as they may be necessary to meet these requirements; however, the carrier is not obliged to verify the correctness or its knowledge of the information, documents or marking.


mas, reserves the right to examine the package and the contents of all shipments or part of them, in order to corroborate what was expressed by the shipper on the air waybill, in some countries along our routes this practice can only be carried out or made by the corresponding authority.


At the time of acceptance of the load, the reception staff should check the following:

  • That the cargo is in good condition when it is received and if it is not, it will be recorded on the warehouse receipt and a copy will be given to the client to inform him and that he is aware of the reception conditions.

Note: The warehouse receipt certifies the conditions in which the cargo was received, dimensions, weight and number of packages that make up the shipment as well as the date and time of receipt.


The documentation must be delivered by the shipper or his agent, accompanied by the corresponding aerial knowledge (Air Waybill), which must have been completed in an exact manner in all aspects, such as:

  1. Name, address of the consignor and consignee,
  2. Departure airport,
  3. Destination airport,
  4. Requested route,
  5. Marks and numbers that appear on the packages,
  6. Quantity of pieces and weight,
  7. Description of the goods and dimensions of the packages,
  8. Freight charges and other charges,
  9. Declared value for transport, the box corresponding to this point, for no reason, must be blank; must carry the declared amount for transportation or the letters NVD (No Value Declared), as appropriate,
  10. Amount of insurance taken with the carrier, when applicable, date of issue and signature of the ship