Where are the single lane slides located on the 737?

The single lane slides on the Boeing 737 are located at all doors on the aircraft. This design is implemented to ensure effective evacuation in an emergency situation, allowing for a swift and efficient exit from the aircraft regardless of where a passenger is seated. Having these slides available at each door maximizes the potential for a quick evacuation, which is essential for passenger safety.

Each door is strategically designed to accommodate rapid descent to the ground, ensuring that even in cases of emergency where multiple exits may be needed, there are enough slides available to facilitate the process. This comprehensive coverage across all doors is a standard safety feature in many modern commercial aircraft, aligning with regulatory requirements for passenger safety during emergencies.

The other options do not accurately reflect the placement of the slides; hence understanding that they are located at every door helps in grasping safety protocols related to aircraft emergencies.