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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STE was developed to help the readers of English-language documentation understand what they read, particularly when these readers are non-native English speakers.

Issue 7 of the specification fully replaces all previous issues and revisions. Word lists by frequency and number of words.

The words were chosen for their simplicity and ease of recognition. However, these claims come mostly from those who have invested in developing it, implementing it or supporting it. STE makes technical texts easy to understand by all readers and can be regarded as an important and valuable resource for technical writing to simplify asd-she100 correct understanding of the maintenance instructions by specificatlon operators, remove linguistic barriers and reduce Human Factors risks.

Dialects and accents specificatiob Modern English by continent. This section does not cite any sources. Then, it became also a requirement for Defence projects, including Land and Sea vehicles. For example, the word “close” can only be used in one of two meanings:. Complex sentence structure and the large number of meanings and synonyms that many English words have can cause confusion.

It also contains a dictionary of approx. Although it was not specificaation for use specofication a general writing standard, it has been successfully adopted by other industries and for a wide range of document types. STE is mandated by several commercial and military specifications that control the style and content of maintenance documentation, most notably ASD SD. However, it is not often the native language of the readers of technical documentation.

Varieties by geographic location. Northern Ireland Scotland Scottish Highlands. Dublin South and West Ulster. I’d Rather be Writing. As a consequence, today, primary texts of maintenance manuals are mostly written in STE.


The Writing Rules also specify restrictions on grammar and style usage. The aerospace and defense standard started as an industry-regulated writing standard for aerospace maintenance documentation, but has become mandatory for an increasing number of military land vehicle, sea vehicle and weapons programs as well. The results confirmed that a simplified language was necessary. English language Technical communication Controlled natural languages Simplified languages Controlled English English for specific purposes.

The adjective “close” appears in the Dictionary as an unapproved word with the suggested approved alternative “near”. However, it is often not the native language of the readers or even of the authors of such documentation. It was initially applicable to commercial aviation. The key factor for the creation of a controlled and simplified form of English was essentially a request from the customers i. So STE does not allow do not go close to the landing gearbut it does allow do not go near the landing gear.

asr-ste100 Subsequently, several changes, issues and revisions were released up to the present issue. There were also European airlines that had to translate parts of their maintenance documentation into other languages for their local mechanics.


In general, there is only one word for one meaning, and one part of speech for one word. Interest in STE has also increased dramatically in the areas of language services, professional translation and interpreting, as well as in the academic world. Bermuda Falkland Islands Guyana. 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.

Simplified Technical English is claimed [ by whom? This standard is released every 3 years. For other simplified forms of English, see Simple English.

It is a carefully limited and standardized subset of English. Check date values in: Views Read Edit View history. 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 and important feedback received from the users.


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ASD-STE official home page

Abercraf Cardiff Gower Port Talbot. The Dictionary has sufficient words to express any technical sentence. The Writing Rules differentiate between two types of topics: Simplified English is sometimes used as a generic term for a controlled language. Today, the success of STE asd-sts100 such that other industries want to use it beyond its intended purpose of maintenance documentation and outside the Aerospace and Defence domains. Purpose and objectives of STE The international language of many industries is English, and English is the language most specifjcation for writing technical documentation.

December Learn how and when to remove this template message. In addition to the specified general vocabulary, STE accepts the use of company-specific or project-oriented technical words referred to in STE as Technical Names and Technical Verbsproviding that they fit into one of the categories listed sad-ste100 the Specification. HyperSTE is a plugin tool offered by Etteplan to check content for adherence to the rules and grammar of the specification.

STE is specificatoin for use in the aerospace and defense industries, but other industries have used it as a basis for their own controlled English standards. The approved words can only be used according to their specified meaning.

ASD-STE Simplified Technical Englishor Simplified Englishis the original name of a controlled language specification originally developed for aerospace industry maintenance manuals. For example, words or phrases such as overhead panelgreasepropellerto reamand to drill are not listed in the Dictionary, but qualify as approved terms speification the guidelines in Part 1, Section 1 specifically, Writing Rules 1.

These two groups explored the existing controlled languages and researched texts in several maintenance manuals.