# Materials forbidden on passenger aircraft but permitted on cargo aircraft — Postal shipping restrictions by item category

For Materials forbidden on passenger aircraft but permitted on cargo aircraft, carrier is US DOT (49 CFR, air); restriction type is restricted; scope is cargo aircraft only; conditions is Packages filled with a material forbidden on passenger-carrying aircraft but permitted on cargo aircraft only must be labelled with the CARGO AIRCRAFT ONLY label, recorded from its source on 2026-08-10.

- **Item category:** Materials forbidden on passenger aircraft but permitted on cargo aircraft _(verified: appears in the quote below)_
- **Carrier:** US DOT (49 CFR, air) _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** cargo aircraft only _(our reading, not quoted from the source)_
- **Conditions:** Packages filled with a material forbidden on passenger-carrying aircraft but permitted on cargo aircraft only must be labelled with the CARGO AIRCRAFT ONLY label. _(verified: appears in the quote below)_

## What the source says

> A package offered or intended for transportation by aircraft and which is filled with a material forbidden on passenger-carrying aircraft but permitted on cargo aircraft only, or which exceeds the maximum net quantity authorized on passenger-carrying aircraft, shall be labelled with the CARGO AIRCRAFT ONLY label

## Source

- https://www.ecfr.gov/current/title-49/subtitle-B/chapter-I/subchapter-C/part-172/subpart-B

Last verified: 2026-08-10. Review by: 2027-08-10.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).