Reference Source

Hazardous materials — aircraft and rail quantity limits (HMT Columns 9A/9B)

For Hazardous materials, item category is Hazardous materials — aircraft and rail quantity limits (HMT Columns 9A/9B); carrier is US DOT (49 CFR, air and rail); restriction type is restricted; scope is passenger-carrying aircraft, passenger rail car, cargo aircraft; conditions is Columns 9A and 9B specify the maximum quantities per package by passenger-carrying aircraft or rail car (9A) or by cargo aircraft only (9B); 'Forbidden' means the material may not be transported in that mode, recorded from its source on 2026-08-10.

Item category
Hazardous materials — aircraft and rail quantity limits (HMT Columns 9A/9B) verified
Carrier
US DOT (49 CFR, air and rail) our reading
Restriction type
restricted our reading
Scope
passenger-carrying aircraft, passenger rail car, cargo aircraft our reading
Conditions
Columns 9A and 9B specify the maximum quantities per package by passenger-carrying aircraft or rail car (9A) or by cargo aircraft only (9B); 'Forbidden' means the material may not be transported in that mode. verified
Sourceecfr.gov
Verified
Review by
DatasetPostal shipping restrictions by item category

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Columns 9A and 9B specify the maximum quantities that may be offered for transportation in one package by passenger-carrying aircraft or passenger-carrying rail car (Column 9A) or by cargo aircraft only (Column 9B)

ecfr.gov, retrieved 2026-08-10

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.