Why Do Target Testing?
A common inquiry from applicants is whether they have to do target testing, why, and how much to do. DO-254, along with FAA Order 8110.105, both emphasize the expectation that Continue Reading →
Category: DER Advice
Are Checklists Really Necessary?
No one really likes filling out checklists for reviews. So do you have to have them? Truthfully, the answer is no. But for practical reasons, I’d like to say “Yes” Continue Reading →
Mistake 4: The Purpose of Traceability
The # 4 mistake is…Not Understanding the Purpose of Traceability. DO-254 is a requirements-based process. As part of this process, requirements must be captured and validated, and then traced (via Continue Reading →
Mistake 3: Improper Retention of Verification Results
The #3 common mistake…Improper Retention of Verification Results DO-254 has several objectives related to verification, which can be accomplished through reviews, analysis or test. The results of these activities must Continue Reading →
Mistake 2: Treating Configuration Management as an “End of Process”
The # 2 mistake is…Treating CM as an “End of Process” Activity DO-254 requires Configuration Management (CM) and control of the data not only during the service life but also Continue Reading →
Mistake 1: Planning After the Fact
Don’t Make These Mistakes! The next few blogs are dedicated to discussing the top mistakes that are commonly encountered in the compliance process. The # 1 mistake is…Creating Plans After Continue Reading →
Why Hire a FAA DER?
Nobody likes to wait for things they need. Waiting can be a waste of time, and time is money. A key value of having a Designated Engineering Representative (DER) is Continue Reading →
Preparing for SOI-3
Process assurance is a really important role in a DO-254 program. If done well, it can save companies a lot of time and expense by making SOI audits go smoothly and Continue Reading →
Understanding the Reason for DO-254
Many times I hear engineering and management teams complain that DO-254 costs them a lot of time and a lot of money. But when I get to review the work Continue Reading →