Frequently requested documents
Below are documents relevent to our Repair Station
operations.
Hydrostatic Test Requirements
CYLINDER DOT TYPE TEST INTERVAL LIFE LIMIT
DOT 3AA 1800 5 years Unlimited
DOT 3HT 1850 3 years 24 years
DOT SP8162 1850 5 years 15 years
DOT SP11194 1850 5 years 15 years
DOT 3AL 2016 / 5 years Unlimited
3AL 2216
DrugCert2021
Helpful Links:
Federal Regulations
- Aircraft Oxygen
Oxygen Quantity - 14CFR Part 23.1441(c)
Pressure Breathing /
Demand Systems - 14CFR Part 23.1441(d)
Oxygen Lines - 14CFR Part 23.1445
Oxygen Masks / Cannulas - 14CFR Part 23.1447
Oxygen flowmeters / Indicators - 14CFR Part 23.1449
Chemical Oxygen - 14CFR Part 23.1450

C & L Aero offers hydrostatic testing of your oxygen cylinders. We can hydro your bottle !
Call us for your hydrostatic testing needs.
TYPICAL TURN TIME - 1 to 2 days
Want help understanding the markings
on your cylinder ? Click this document -->