Which engine is denoted as Engine #1 based on the reference provided?

The designation of Engine #1 is straightforward as it is explicitly referred to as Engine #1. In aviation, engine numbering typically follows a sequential order based on their installation on the aircraft. Therefore, Engine #1 is the first engine in this sequence, making it logically the correct choice.

Each engine on an aircraft is assigned a specific number to help ground crews and maintenance teams communicate efficiently about each engine’s status and any maintenance it may require. This clear identification is critical for operational safety and efficiency.

In contexts where other engines are numbered, it can lead to confusion, but Engine #1 stands alone as the designated name, directly affirming that it is indeed Engine #1. This clear-cut identification allows for precise communication within many operational frameworks, ensuring all personnel are aligned in their understanding of which engine is being referred to at any time.