**Appendix A**

Figure A1 shows the full Bowtie diagram with the 6M structure for threats and consequences, as well as for the colour-coded prevention and mitigation barriers.

**Figure A1.** Full Bowtie structure with a 6M × 6M matrix on both sides of the diagram.

Figures A2–A7 show the Sub-Bowties of the threat side of the Bowtie diagram including all prevention barriers. Figure A8 presents the consequences and the prevention barriers in place.

**Figure A2.** Machine-related threat paths with barriers.

*Aerospace* **2020**, *7*, 86

**Figure A3.** Mother Nature-related threat paths with barriers.

**Figure A4.** Man-related threat paths with barriers.

**Figure A5.** Method-related threat paths with barriers.

**Figure A6.** Material-related threat paths with barriers.

*Aerospace* **2020**, *7*, 86

**Figure A7.** Management-related threat paths with barriers.

**Figure A8.** Consequence path with mitigation barriers.
