This SAE Aerospace Information Report (AIR) addresses the following: a Perceptions which inhibit the introduction of probabilistic methods b Technical limitations of probabilistic methods c Recommendations to help promote the use of probabilistic methods The document does not contain technical details of probabilistic methods, applications or benchmarking of specific approaches. These subjects are covered in other AIRs, referenced in Section 2 and prepared by the Probabilistic Methods Committee of the G-11 Reliability, Maintainability, Supportability and Logistics (RMSL) Division of SAE.