Our all-Airbus fleet is one of the youngest and most fuel efficient in the United States. Financial Strength Achieved with Focus on Cost Discipline. Refer to "Notes to the Consolidated Financial Statements—14. Special Charges and Credits" for information regarding our aircraft purchased off lease. The parties expect to schedule meeting dates for negotiations soon. In pursuing these goals, we maintain an active aviation safety program. These developments are highly uncertain and cannot be predicted. Risks Related to Our IndustryWe operate in an extremely competitive industry. However, we have limited control over many of our costs. We cannot guarantee we will be able to maintain a cost advantage over our competitors. "20The airline industry is particularly sensitive to changes in economic conditions. In addition, technology advancements may limit the demand for air travel. Any agreement we do reach could increase our labor and related expenses. Historically, we have maintained a high daily aircraft utilization rate. As of December 31, 2020, the average age of our aircraft was approximately 6.5 years. "A January 2021 Executive Order mandated that masks be worn on commercial aircraft. In February 2020, the United States announced an increase to this tariff from 10% to 15%. Further, regulatory initiatives could adversely affect ancillary revenue opportunities. We depend on a limited number of suppliers for our aircraft and engines. Renewing coverage may result in higher premiums and more restrictive terms. Competition for highly qualified personnel is intense. We do not intend to pay cash dividends in the foreseeable future.
