Lung cancer is the most common cause of clubbing. Clubbing often occurs in heart and lung diseases that reduce the amount of oxygen in the blood. These may include: 1  Heart defects that are present at birth (congenital).
What is a safety management system (SMS)? A safety management system is a systematic approach to managing safety, including organisational structures, accountabilities, policies and procedures.
Safety Management System (SMS) Through the use of Safety Management Systems (SMS), business aircraft operators can proactively identify and manage risks. Under a formalized SMS, operators identify potential hazards and ensure that a process is put in place to effectively manage them. 1  SMS Overview An introduction to the SMS concept and information on regulatory requirements. 2  SMS Frequently Asked Questions Answers to the most frequent SMS questions from operators. Learn More. International Standard for Business Aircraft Operations (IS-BAO) Best practices designed to help flight departments worldwide achieve high levels of safety and professionalism.