Ceilometer CL31 & CL51 for Aviation Get to know these trusted ceilometers and how they provide reliable situational awareness for more informed, safer airport operations. Awareness when it counts most Situational awareness is everything in aviation. From ATC practices to final-approach piloting decisions, reliable cloud and visibility measurements can be the difference between smooth, safe operations and problematic disruptions. Increased weather severity and flight frequency are making these insights more crucial than ever.With CL31 and CL51, airports can:Use multi-layer cloud assessment and cirrus cloud detection (CL51 model) to improve operational decisionsRely on consistent accuracy at the full measurement range, including down to aircraft landing decision heightMake immediate, data-informed decisions and improve crucial ATC and piloting tasksCL31 and CL51 are ideally suited to airport environments and can form the backbone of an airport’s weather monitoring system. Simple data integrations, excellent performance in any conditions, and reliable insights make them valuable multi-use tools over long service lives. Resources Product Spotlight Ceilometer CL31 Capture accurate, reliable cloud base height, and vertical visibility data on multiple cloud layers to 25,000 feet (7.6 km). Download PDF Datasheet Ceilometer CL31 See technical data for this compact and lightweight instrument for cloud base height and vertical visibility measurements. Download PDF Product Spotlight Ceilometer CL51 Explore high-range cirrus cloud height detection with a range up to 15 km (49,200 ft). Download PDF Datasheet Ceilometer CL51 Get more detail about how CL51 measures high‑range cirrus cloud heights in harsh conditions. Download PDF ADDITIONAL RESOURCES Access additional information about CL31 and CL51 Find additional resources, applications and information about CL31 and CL51 here. ADDITIONAL RESOURCES Industry Applications General CL31 & CL51 Information Get to know Ceilometers CL31 and CL51 and how they deliver fast, accurate cloud and visibility detection for a range of applications. LEARN MORE Meteorology Applications Create more accurate forecasting and environmental awareness, protecting people and communities. LEARN MORE Urban & Industrial Systems Applications Enable full situational awareness and improved decision-making today’s urban and industrial settings. LEARN MORE Get Started with Ceilometer CL31 & CL51 Protect people and operations with the most trusted, reliable ceilometers available. Contact us now to discuss which Vaisala ceilometer is right for your airport. CONTACT US