Specification ASD-STE European Community Trade Mark No. International specification for the preparation of maintenance documentation. ASD Simplified Technical English (ASD-STE), formerly known as AECMA Simplified English, is an international specification for writing. The STE specification was first released in as the AECMA Simplified English This issue of the ASD-STE specification is dedicated to Dave L. Shaw.

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Retrieved from ” https: Dialects and accents of Modern English by continent. It was initially applicable to commercial aviation. December Learn how and when to remove this template message. The aerospace and defense standard started as an industry-regulated writing standard for aerospace maintenance documentation, but has become mandatory for an increasing number specificatipn military land vehicle, sea vehicle and weapons programs as well.

ASD-STE official home page

How does STE work? Dublin South and West Ulster. However, it is not often the native language of the readers of technical documentation. The verb can express close a door or close a circuitbut cannot be used in other senses for example to close the meeting or to close a business.

Abercraf Cardiff Gower Port Talbot.

The approved words can only be used according to their specified meaning. Subsequently, several changes, issues and revisions were released up to the present issue. Boeing has developed a Simplified English Checker to assist during development. Word lists by frequency and number of words.

Simplified Technical English – Wikipedia

Northern Ireland Scotland Scottish Highlands. For example, words or phrases such as overhead panelgreasepropellerto reamand to drill are not listed in the Dictionary, but qualify as approved terms under the guidelines in Part 1, Section 1 specifically, Speicfication Rules 1.


The Writing Rules differentiate between two types of topics: By using this site, you agree to the Terms of Use and Privacy Policy. Varieties by geographic location. ASD-STE Simplified Technical Englishor Simplified Englishis the original name of a controlled language specification originally developed for aerospace industry maintenance manuals. The linguistic-based checker uses a sophisticated rule English grammar and parser, which is augmented with special functions that check for violations of the Simplified English standard.

Simplified Technical English

In the absence of third-party endorsement or published scientific studies, such claims should be considered unconfirmed. Bermuda Falkland Islands Guyana. In addition to basic STE vocabulary listed in the Dictionary, Section 1, Wordsgives explicit guidelines for adding technical names and technical verbs that writers need to describe technical information.

Over 3, copies of Issue 6 of the specification were distributed. For other simplified forms of English, see Simple English. So STE does not allow do not go close to the landing gearbut it does allow do not go near the landing gear. The writing rules rule wording, explanatory texts, psecification examples and the dictionary have been fully revised.

Although the STE structure is stable and consolidated, the language has to be kept in line with the technology evolution and amended on the basis of the continuous asd-sye100 important feedback received from the users.

It is a carefully limited and standardized subset of English. Issue 7 of the specification fully replaces all previous issues and revisions. It also contains a dictionary of approx. The Dictionary has sufficient words to express any technical sentence. For example, the word “close” can only be used in one of two meanings:. The results confirmed that a simplified language was necessary. This standard is released every 3 years.

STE is mandated by several commercial and military specifications that control the style and content of maintenance documentation, most notably ASD SD. However, these claims come mostly from those who have invested in developing it, implementing it or supporting it.


In aviation, it is mandatory to correctly understand maintenance and operation documentation to make sure that systems operate safely and correctly and to protect human lives. There were also European airlines that had to translate parts of their maintenance documentation into other languages for their local mechanics. These words were chosen for their simplicity and ease of recognition.

English language Technical communication Controlled natural languages Simplified languages Controlled English English for specific purposes. Interest in STE has also increased dramatically in the areas of language services, professional translation and interpreting, as well as in the academic world.

ASD-STE100, Simplified Technical English for aerospace and defense

The key factor for the creation of a controlled and simplified form of English was essentially a request from the customers asd-ste00. Inafter an investigation into the different types of controlled languages that existed in other industries, the AECMA decided to produce its own controlled English.

The words were chosen for their simplicity specitication ease of recognition. The Writing Rules also specify restrictions on grammar and style usage. HyperSTE is a plugin tool offered by Etteplan to check content for adherence to the rules and grammar of the specification.

It is also the language of the aerospace and defense industry. Then, it became also a requirement for Defence projects, including Land and Sea vehicles.