USG-13 Flight Limitations

USG-13 is the state variation for the United States of America. This variation calls for further limitation to the amount of dangerous goods that can be loaded aboard a passenger aircraft in an inaccessible manner. This regulation is based on 49 CFR, Parts 171-180. This requirement is for all passenger aircraft that transport dangerous goods to, from or within the United States.


Synopsis:

Consignments must not contain more than 25 kg of dangerous goods or 75 kg net quantity of non-flammable gas. For liquid dangerous goods for the purpose of this regulation 1 liter = 1 kg. Irrespective of limitations for PAX flights in IATA Dangerous Goods Regulations these limitations are mandatory.


Exemptions:

  • Explosives division 1.4S, UN0012, UN0014 and UN0055 also meeting the requirements of 173.63(b)

  • Class 9 (examples ID8000), this does not include UN3480 or UN3090

  • UN3528 and UN3529

  • Dangerous goods in limited quantities

  • Dangerous goods in excepted quantities

  • Aircraft batteries transported as items of replacement (CFR49 175.8 also see IATA special provision A51)

  • Dangerous goods under IATA DGR regulations which are not subject to CFR49 Parts 171-180



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