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STANAG 3456

STANAG 3456 aircraft electrical power characteristics

Makers and integrators of aircraft electrical power systems and the utilisation equipment that draws on them.

STANAG 3456 is the NATO agreement on aircraft electrical power system characteristics and equipment compatibility testing. NATO has not released it publicly; this page describes it from public NATO publications that cite it.

Edition
9
Published
2025-10-13

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 3456 is the NATO Standardization Agreement on Aircraft Electrical Power System Characteristics and Equipment Compatibility Testing. Edition 9 was promulgated in October 2025 under NATO's MC, MCASB, AE. It covers the publications EN 2282, ISO 1540 and MIL-STD 704.

NATO has not released STANAG 3456 publicly, so this page describes it from public NATO publications that cite it: AECTP-300, AECTP-250, AAVSP-04 and STANAG 3909.

What public NATO documents say it requires

AECTP-300 Method 317 cites STANAG 3456 for this requirement: "electrical system(s) used in aircraft of member countries shall have the characteristics as defined in either of MIL-STD-704, ISO 1540 or EN 2282". These are the same three publications the agreement covers. AECTP-300 also says every aircraft electrical power system is required to be designed to retain the electrical characteristics specified in the selected standard document throughout the full range of operational and environmental conditions likely to be encountered in the aircraft in which it is installed, and refers to STANAG 3456 for additional details. Method 317 lists it as a reference alongside MIL-STD-704 and MIL-HDBK-704.

AECTP-250 lists STANAG 3456 among its examples of "Power Quality Standards to control the supply voltage within specified limits for weapon system platforms and utilisation equipment".

AAVSP-04, the standard for avionic discrete signal interfaces that STANAG 3909 adopts, lists STANAG 3456 as a related document. It states that, unless otherwise specified, the 28 V aircraft supply it refers to shall meet the requirements of STANAG 3456 for a Transformer/Rectifier Unit (TRU) supply derived from a constant frequency ac source.

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A supplier bound by STANAG 3456 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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