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AASSEP-11
Aircraft servicing and maintenance personnel who fit and remove warning streamers on aircraft-on-ground safety devices
AASSEP-11 is NATO's requirement that "Aircraft-on-Ground" safety devices, such as undercarriage lock-pins, carry a warning streamer showing they must come off before flight.
AASSEP-11, the Allied Aircraft Servicing and Standard Equipment Publication on warning streamers, is NATO's standard for fitting a visible marker to an "Aircraft-on-Ground" safety device: a retractable undercarriage safety lock-pin, a control-surface lock, or a similar device that has to come off before the aircraft can fly. It is covered by STANAG 3714, the NATO agreement by which participating nations commit to using it, rather than a separate technical layer on top of it. Edition A, version 1 was promulgated in May 2024.
The publication's own aim is direct: ensure that "Aircraft-on-Ground" safety devices always carry a streamer, warning, and that the streamer gives clear warning the device must be removed before flight. It goes on to set basic design features for the streamer itself, covering things like visibility, durability in service, and secure attachment so no part can come loose and create a hazard on the aircraft. This page does not reproduce the specific colour, dimensions or wording the document sets for those features. Reproducing a NATO publication's own technical text is a licence condition, and at least one participating nation has recorded a reservation against part of this clause, which is itself a sign the detail is not uniform across nations.
Independently of the streamer requirement, AASSEP-11 carries a general security clause headed "Defence Against Terrorism": aircraft equipment and materiel must be labelled, processed and stored so as to prevent access and tampering by unauthorized personnel, such equipment is inspected and certified before it is used or applied, and servicing and maintenance of aircraft is restricted to authorized personnel. The document does not explain why a streamer publication also carries this clause; the two requirements simply sit together in the same short document.
AASSEP-11 speaks to the practice of servicing and maintaining aircraft rather than naming a manufacturer or a national authority directly; its security clause states that this work "shall be performed ONLY by authorized personnel". It binds through national agreement: participating nations record their commitment to use it in STANAG 3714, and the publication itself is effective upon receipt once that agreement is in place. For a supplier or an operator, it reaches them the way an Allied Publication normally does, through a national requirement or a contract that names it, not because the document exists on its own.
AASSEP-11 names no certification, audit or accreditation scheme, and no body is described as assessing an organisation's compliance with it. Where the document uses the word "certified", it describes a check on a piece of equipment before use, not on an organisation: relevant equipment is inspected and certified for operational integrity and reliability before it is used. There is no accredited certification body, government surveillance arrangement, or notified-body assessment described anywhere in the text.
AASSEP-11 is published by the NATO Standardization Office and, like every NATO standardization document, carries no charge. The Standardization Document Database is the authoritative source, and a national standardization authority can also supply a copy. We credit NATO for the catalogue and neither sell nor host a copy ourselves.
AASSEP-11 describes work that happens on the ground and in the hangar, not in software: fitting and removing a warning streamer, and handling aircraft equipment securely, is not something a compliance platform does. What an organisation needs to show is that its own ground-handling and security procedures reflect the publication, that the people who service and maintain aircraft are identifiable as authorized, and that it can produce a record of that authorization alongside the equipment inspections the security clause describes. ComplyTrain holds those procedures as controlled documents, tracks the training and authorization records that identify who is entitled to service and maintain an aircraft, and gives an auditor a trail from the documented procedure back to the record of who was authorized to follow it.
ComplyTrain does not fit or remove a warning streamer, inspect or certify a piece of equipment before use, or decide which national procedure or contract applies to a given programme. That work, and that judgement, stays with the ground crew and the contracting parties.
Which tier of ground-support and servicing standards applies to a given contract, and whether AASSEP-11 or a national equivalent is in force, is set by the contract and the customer's quality clause, not by us. Use the explorer to see what sits alongside AASSEP-11 in a given programme, and talk to us about how we help evidence compliance with documents like it.
Tell us how you need to work with AASSEP-11 and what you need from it. We will come back to you about what ComplyTrain can do.
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Not by itself. AASSEP-11 binds a nation once it has agreed to STANAG 3714, the NATO agreement under which nations commit to use the publication. Whether it applies to a specific supplier or contract is a matter for the contract and the customer's quality clause.
This page does not describe the streamer's own design specification. AASSEP-11 sets basic design features for the streamer covering visibility, durability and secure attachment, and at least one participating nation has recorded a reservation against part of that clause, so the detail is not necessarily uniform across nations. The current text of clause 1.2 is the authoritative source for anyone building or supplying a streamer.
No. The document names no certification, audit or accreditation scheme. Where it uses the word "certified", it refers to inspecting a piece of equipment before use, not to assessing an organisation, and there is no accredited body, government surveillance arrangement, or notified-body assessment described in the text.
STANAG 3714 is the NATO Standardization Agreement that covers AASSEP-11. It is the mechanism by which participating nations commit to this Allied Publication, rather than a separate technical requirement on top of it.
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