Alertness Testing by BLT

A quick test for alertness? We have that. Let us know what you need for your worksite or group.

That remains true but Bowles-Langley Technology, Inc. has now merged with Predictive Safety, LLC. Together we can offer our customers significant new resources and support. Please check the contacts page for inquiries and support.

Recent News


Health Reform and Screening

Cognitive screening is gradually rising in public and government consciousness as something that makes sense. It should be done annually after 65. And it should be under user control. This is why at Cogolog we are promoting a system that allows our users to share their data with their doctors when and if they wish […]


Half Way to Goa

From the Times of India (24 May 09): “An Air India Jaipur-Mumbai flight flew well past its destination with both its pilots fatigued and fast asleep in the cockpit. When the pilots were finally woken up by anxious Mumbai air traffic controllers, the plane was about half way to Goa. “This nap in the sky […]


Tragedy in Buffalo

From the voice recordings of cockpit conversations we can begin to understand the circumstances surrounding the tragic end of Continental Flight 3407 in Buffalo, NY on Feb 12, 2009. The pilots apparently neglected to monitor their falling airspeed. Ice was evident on the windshield. Then there was a stall warning. Captain Renslow may have misinterpred […]


In Iraq

Some years ago we were called upon to submit a plan for the use of our technology by the Army Tank Corps. Tanks travel fast and in the hands of a fatigued/impaired driver can be deadly. We need to dust that concept off again. “WASHINGTON – The 130,000 American troops serving in Iraq are more […]


Fatigue Management Conference in Boston

I am at the International Conference on Fatigue Management in Transportation Operations. Anneke Heitmann has just presented the results of our three year study of sleep deprivation and alertness testing. Audience interest and participation was very good. Our booth in the exhibits room has attracted numerous interested parties from a great many different industries. We […]

BLT is a unique company dedicated to providing new solutions for assessing human performance. Our technologies draw on a wide range of management experience and scientific knowledge to provide customers with solutions that are practical, understandable and useful.