Garmin Processes
System Safety
14 CFR Part 21
ARP 4754
FAA Order 8150.1D
100

This ENG-0076 specified document can be used to find important information regarding block diagrams, pin outs, and specific circuit design decisions and implementation data.

What is an HDD?

100

These are the five failure condition classifications typically found in an FHA

What is No Safety Effect, Minor, Major, Hazardous, and Catastrophic

100

Part 21.8 defines these 4 ways to approve articles.

What is PMA, TSO, in conjunction with a TC, or another means approved by the FAA.

100

ARP4754A emphasizes this concept to ensure every system requirement can be linked back to aircraft-level requirements and forward to verification.

What is requirements traceability?

100

These standards referenced in TSOs are typically developed by RTCA or EUROCAE and define minimum equipment performance.

What are Minimum Operational Performance Standards (MOPS)?

200

During FRM-0243 reviews, this analysis determines any risk categories for components included in the design. Risk categories include Engineering Guidance, Alternate parts, Purchase Selects, Peak Reflow Temperatures, Process Change Notifications (PCN), Preference Rating, and Source Count.

What is a BOM Analysis?

200

This is how you calculate the probability of failure within an event in a Fault Tree

What is Failure Rate * Exposure Time

200

This section of Part 21 is used for the bilateral agreement between the FAA and EASA to issue approvals.

What is 21.8(d)?

200

In ARP4754A, these levels (A through E) classify the criticality of aircraft systems based on failure effects.

What are Development Assurance Levels (DALs)?

200

This document summarizes the certification basis, compliance methods, and evidence showing that the article meets the TSO.

What is the Accomplishment Summary (or TSO Compliance Summary)?

300

This ENG-0099 required form takes place after a Top Level Design Review has occurred and determines if our preliminary design is adequately defined.

What is FRM-1322?

300

This DAL is required for CAT conditions in a Part 23 Class I aircraft

What is DAL C

300

Part 21 Subpart K defines the required aspects by this approval means. Test reports for this method must be applicable to the product on which the article is to be installed, unless the applicant shows that the design of the article is identical to the design of an article that is covered under a type certificate.

What is Parts Manufacture Approval?

300

This ARP4754A activity determines the Development Assurance Level for systems based on aircraft-level failure conditions.

What is Functional Hazard Assessment (FHA)?

300

This FAA authority may accept data approved by authorized representatives or delegated organizations during TSO approval.

What is the FAA Certification Branch (formerly Aircraft Certification Offices (ACOs)?

400

Check out this Fun Guy! This DO-160 section tests whether equipment material is adversely affected by fungi under conditions favorable for their development, namely, high humidity, warm atmosphere, and presence of inorganic salts.

What is Section 13?

400

This industry document provides the guideline for conducting a system safety assessment

What is SAE ARP 4761A

400

The TSO Authorization is approval for these.

What is design and production?

400

This lifecycle concept in ARP4754A ensures evidence demonstrates that requirements have been correctly implemented.

What is validation and verification (V&V)?

400

This regulation governs the approval of articles under the TSO program.

What is 14 CFR Part 21 Subpart O?

500

This Advisory Circular issued in 2022 clarifies the use of development of custom devices, including the use of commercial off-the-shelf (COTS) intellectual property (IP), for the use of COTS devices, and for the development of circuit board assemblies (CBA).

What is AC 20-152A?

500

These regulation invokes the safety process

What is [14 CFR] 23.2510/25.1309/27.1309/29.1309 (would also accept 23.1309)

500

This is explicitly not approved under TSOA.

What is installation in an aircraft?

500

In ARP4754A, this activity confirms that the implemented system satisfies the intended operational needs and aircraft-level functions.

What is validation?

500

This FAA program allows approved organizations to perform certain certification functions on behalf of the FAA.

What is the Organization Designation Authorization (ODA) program?