The purpose of this publication is to provide a guide for vendors that provide oxygen to air carriers or service aircraft oxygen cylinders.


The Vendor/Distributor should have a designated area and/or separate room dedicated to servicing air carrier oxygen supply /cylinder.

The filling manifold should be dedicated to oxygen only.

Use of hydrocarbons such as oil, grease, paraffin, or vaseline is prohibited on cylinders and connections.

Hands, tools and clothing should be free of all noted hydrocarbons.

Operating instructions and a list of authorized operators should be posted and current.

A sign (8" high x 16" long) "WARNING - USE NO OIL" should be displayed in the manifold area.

All bottles should be filled SLOWLY with oxygen conforming to MIL-O-27210; oxygen, aviators breathing, liquid or gas.

Applicable specifications must be on file and current (Airlines requirements, MIL-O-27210 and DOT requirements).

The Vendor should maintain a permanent record documenting filling, sniffing, purity checks, cylinder test, etc (Halogen tester, O2 tester, etc)

The vendor should have documented procedures established for training all authorized operators. Training must be recorded (including date, topics taught, and name of trainer) and records retained indefinitely.

Please note that this checklist is a hypothetical example and provides basic information only. It is not intended to take the place of, among other things, workplace, health and safety advice; medical advice, diagnosis, or treatment; or other applicable laws. You should also seek your own professional advice to determine if the use of such checklist is permissible in your workplace or jurisdiction.