SIGMETs are issued as a warning of weather conditions hazardous to which type of aircraft?

SIGMETs (Significant Meteorological Information) are specifically designed to inform pilots of weather conditions that pose hazards to all types of aircraft, regardless of their size. These advisories cover severe weather phenomena such as thunderstorms, turbulence, icing, and volcanic ash, which can significantly affect aircraft safety and performance. The intent behind issuing SIGMETs is to ensure that all pilots receive pertinent information to make informed decisions regarding flight safety and routing. This broad applicability helps to safeguard not just large commercial airliners, but also smaller general aviation aircraft, thus ensuring that every pilot is aware of conditions that could potentially compromise the safety of their flight.