Which statement describes the privileges of a Senior Parachute Rigger's certificate?

A Senior Parachute Rigger's certificate grants privileges that reflect a high level of training and expertise in parachute rigging. The correct statement highlights that they may pack and maintain any parachute, with the notable exception regarding major repairs. This distinction is essential because it delineates the boundaries of their capabilities; while they are skilled enough to handle a wide variety of parachutes and their maintenance needs, major repairs likely require a more specialized skill set or oversight by an authorized individual or a different certification level.

The privilege to pack is particularly significant as it involves ensuring that parachutes are prepared correctly for deployment, a critical factor in skydiving safety. The maintenance aspect further underscores their responsibility in keeping parachutes in optimal condition for use. This aligns with the rigor and standards set forth in aviation safety regulations, maintaining safety and reliability in parachute operations.