How should a Class II and III harness be drop tested?

For a drop test of a Class II and III harness, performing the test in both heads up and heads down positions is essential to determine the harness's performance and safety under different orientations. Each position simulates a different potential fall scenario that a rescuer might encounter in the field. Testing a harness in both orientations helps identify any weaknesses or failures in how the harness holds the body.

When a harness is tested head up, it primarily assesses the harness's ability to protect the user from falling straight down. Conversely, testing it head down simulates a scenario where a person might fall and flip over, ensuring that the harness can still secure and support the individual effectively during erratic motions or impacts. This comprehensive testing approach ensures a higher level of safety and reliability in actual rescue situations, as it accounts for various potential incidents that rescuers may face while working at heights.

This is why testing a Class II and III harness in both positions is critical for determining its overall safety and efficacy.