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STANAG 3784
STANAG 3784 aviation and ground fuel installations on NATO airfields
Engineers and contractors who design or build fuel storage and dispensing installations on NATO airfields, and the defence buyers who specify them.
STANAG 3784 gives NATO's technical guidance for the design and construction of aviation and ground fuel installations on NATO airfields. NATO has not released it publicly; this page describes it from the Czech defence standard that implements it.
- Edition
- 6
- Published
- 2017-10-12
NATO has not released this STANAG publicly. It is NATO UNCLASSIFIED, and organisations that need it obtain it through their national standardization authority.
What it is
STANAG 3784 is the NATO Standardization Agreement setting out technical guidance for the design and construction of aviation and ground fuel installations on NATO airfields. Edition 6, promulgated in October 2017, sponsored by the NATO committees recorded as LC, OEC and PHEWG, covers the publication AFLP-3784 (A).
NATO has not released STANAG 3784 publicly. This page describes it from a public national implementation, the Czech defence standard ČOS 051639 (2nd edition, amendment 2, 2022), which states that it introduces STANAG 3784 edition 6 (AFLP-3784(A)) into Czech use. A national implementation can add national requirements and reservations, so treat what follows as the Czech implementation's content, not as NATO's own text.
What the Czech implementation requires of a fuel installation
ČOS 051639 sets out what a fuel installation on a NATO airbase must contain and how it must be sited. Storage tanks must be built underground or semi-buried and covered with earth to protect them against shrapnel, and each installation must include receiving equipment, storage tanks, pumping units and piping, a fuel-water separator filter, vehicle or aircraft dispensing points, a desludging tank, a backup power generator, a control point, access roads and paved standing areas, and a security fence with access gates. For operational security an airbase needs at least two such installations, kept apart where possible and spaced at least 500 m from each other, with no part closer than 150 m to control points or aircraft and vehicle dispensing points; the security fence must sit at least 45 m from the installation, and vent pipes and dispensing points at least 30 m from the fence.
What it requires of tanks and filtration
New storage tanks need a minimum useful volume of 200 m3, with an allowance for thermal expansion capped at 5% of that volume; tanks of 500 m3 or more are usually vertical, cylindrical, underground and earth-covered, with double walls and a leak-detection system between them. Every tank needs overfill protection, hydrostatic-pressure monitoring and a calibrated gauge, and a tank of 200 m3 or larger needs at least two pressure/vacuum relief valves. Fuel entering an installation must pass a strainer filter of at least 150 microns and then a water-separator filter meeting ČOS 999912 (STANAG 3967); before dispensing it must pass a final water-separator filter, with at least two final filters installed so one can stand by. A dispensing point must supply at least 1,000 dm3 of fuel per minute, and interconnecting pipework in a new installation must be at least 150 mm in diameter and electrically earthed except where it carries cathodic protection.
The Czech text is plainly aimed at national suppliers: it says the standard applies to suppliers and buyers of products and services for national defence under Czech law, and in several places it leaves the detail to national regulations, for example whether a tank's interior needs an epoxy coating and whether a wash rack is required at all.
How we help
A supplier bound by STANAG 3784 through a contract holds the obtained text through its national authority. In ComplyTrain you record the requirements that apply to you as your own requirements, give each an owner, and keep the evidence that shows you meet them against each one.
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