Reference

M-1H

Main-deck box shaped to the upper fuselage. The IATA code, rate class, weights, volume and aircraft fit are below.

M-1H unit load device
IATA code
AMD contoured
Rate class
Type 2H
Aircraft it fits
747F, 747 Combi, 777F centre loading only
Max gross weight
6,800 kg (14,991 lb)
Empty weight
370 kg (816 lb)
AS1825 volume
21.2 m³ (750 ft³)

How the M-1H is used

A main-deck container with an upper contour, built to the AMD code and shaped to follow the upper fuselage.

That contour is what separates it from the rectangular M-1: it fills the space above the shoulder of the main deck, where a square unit cannot go. At the same weight rating it carries 21.2 m³ against the M-1's 17.6 m³.

Cargo it usually takes

  • Light bulky cargo
  • General air freight
  • Freight already on pallets

How this family is arranged

  • A main-deck container with an upper contour, shaped to the crown of the fuselage.
  • The door is canvas, with net door straps built in.
  • A heavier section than lower-deck equipment, sized to fill the main cargo deck of a freighter or Combi.
  • The profile is rectangular or contoured at the top, depending on where on the deck the unit sits.
  • The door is solid or canvas with net straps. The base rails match the main-deck restraint system.

Why operators pick it

  • Gross weight and volume per unit are far higher than any belly ULD.
  • It loads through the main cargo door in one lift, which is what makes a freighter turnaround fast.
  • It suits dense or bulky shipments that would otherwise need several lower-deck units.

Settle these points before you book

  • It loads only on freighters and Combi aircraft that have a main-deck cargo door.
  • Some positions accept centre loading only, which limits where the unit can sit.
  • Handling needs a main-deck loader, so not every station can take it.
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