DO C tutorial is designed by TONEX to help you improve your overall DO- C is the modified and updated version of DOB/EDB (), which. The difference between creating aviation software and other software can be summarized in one simple phrase: “RTCA DOB”. If you are. In this Product How-To, Paul Anderson of GrammaTech takes you step by step through the DOB and how use his company’s static analysis.

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Software Quality Assurance Process 4.

birds introduction to DOB

Your certification test procedure must insure that all possible arguments supplied to any library function used are tested. The difference between creating aviation software and other software can be summarized in one simple phrase: This page was last edited on 4 Decemberat In the future, though, it appears as though some rather generic TSOs may come into existence, and that these would apply to broad classes of products that pose no di-178b hazards.

The only way to get one legally is to buy one from the RTCA.

This can be difficult the first time a company attempts to develop a civil avionics system under this standard, and has created a niche market for DOB training and consulting.

Safety attributes in the design and as implemented as functionality must receive additional mandatory system safety tasks to drive and show objective evidence of meeting explicit safety requirements. Analysis of all code and traceability from tests and results to all ttutorial is typically required depending on software level. It is a guideline used to determine if software components of airborne equipment and systems are FAA airworthiness-compliant.

Once do–178b activity within a process has been defined, it is generally expected that the project respect that documented activity within its process. It is the software safety analyses that drive the system safety assessments that determine the DAL that drives the appropriate level of rigor in DOB.

Procedures like MCDC test are done to remove ttorial possible defects in the system. The signoff is via FAA form For objectives that must be satisfied with independence, the person verifying the item such as a requirement or source code may not be the person who authored the item and this separation must be clearly documented.


All items are not required at all certification levels. Articles needing additional references from June All articles needing additional references All articles with unsourced statements Articles with unsourced statements from June Application programs tutprial certified as a system. That depends on what level of compliance you want to achieve. At the end of the project you’re going to want to achieve FAA approval. A TC is something that applies to an entire aircraft. Retrieved from ” https: DOB is not intended as a software development standard; it is software assurance using a set of tasks to meet objectives and levels of rigor.

These activities are defined by the project planners as part of the Planning process. Software whose failure would have no effect on the aircraft or on pilot workload. On a real project, the actual activities that will be done in the context of tktorial process must be shown to support the objectives.

As far as an STC is concerned, the certification not only rutorial to a specific type of aircraft, but must actually be performed on a specific aircraft of that type. To install the same equipment on another type of aircraft or rather, supplementing a different TCyou need to obtain a second STC. Alternately, you may need to work with the aircraft manufacturer that holds the TC on that aircraft type, it thus it may be the aircraft manufacturer who opens the FAA project and receives the STC.

According to the DOB-level the following test coverage code coverage is required: Furthermore, processes and their concrete activities must have well defined entry and exit criteria, according to DOB, and a project must show that it is respecting those criteria as it performs the activities in the process. June Learn how and when to remove this template message. It is not a government agency, but many of the guidelines it produces are essentially accepted as standards by the FAA.


In this case, the practical d-o178b is often to pervert the spirit of DOB by expediently reducing its implementation to a question of deliverables. Any changes to any part of the application program code require re-certification of the entire program.

Knowledge Base: Overview on DOB

These software safety tasks eo-178b artifacts are integral supporting parts of the process ro-178b hazard severity and DAL determination to be documented in system safety assessments SSA. You need to know how to read it.

Software criticality Levels see below are typically determined by means of an analysis called a System Safety Assessment. DOB, Software Considerations in Airborne Systems and Equipment Certification is a guideline dealing with the safety of safety-critical software used in certain airborne systems.

So getting an FAA project number is usually the first thing to be done in a project. The integral processes are performed concurrently with the software development processes throughout the software life cycle.


The failure conditions are categorized by their effects tutrial the aircraft, crew, and passengers. Tuesday, April 10, Did this article provide the answer you needed?

DOB specifies that each line of code is required and tested, and that no unused code exists tutoriial the application program build. This process handles problem reports, changes and related activities. Another reason is that the DER may not like ttutorial documentation or processes and insist on changes to them before signoff. Actually, there are a few non-DOB things you need to know before beginning software development. In other words, if you are ignorant enough to be seeking illumination from the Birds Project, you shouldn’t be undertaking airborne projects that are large enough or critical enough to interest certification authorities.

The intention of DOB was not to be prescriptive.