Location and Weight

“Saved within the scale electronics, users can ‘set and forget’ their location details, and have the scales or load cells deliver corrected results for the end user.”

– Patrick McIntyre, Director of Weight & Balance Training

 

Effects of uncorrected Latitude and Altitude upon weights can be illustrated with an example of weighing a B747 of 373,300 lb (169,326 kg), where 0.1% error is 373 lb (169 kg).

Non-corrected weights:

• Bogota, Colombia: 4.7 degrees Latitude at 5,000 ft, 374,457 lb, 1,157 lb of error
• New York City, US: 40.7 degrees Latitude at sea level, 373,486 lb, 186 lb of error
• The delta for the same aircraft’s uncorrected weights is 971 lb, or over 2 times allowable error

As latitude and altitude corrections are known figures, finding the basic weight center of gravity is now just a bit of measurement and straightforward mathematics.

Understanding the effects and magnitude of these corrections is the first step in conducting accurate weighing, but thankfully technology enables this to be made even easier. Built into Intercomp platform scales and top-of-jack load cell kits are latitude and altitude corrections. Saved within the scale electronics, users can “set and forget” their location details, and have the scales or load cells deliver corrected results for the end user.

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Intercomp offers both Military and Civilian focused training for military staff, engineers, contractors, and FAA A&P licensed civilians. Courses are led by instructors benefitting from three decades of weighing experience in both military and commercial venues. Leveraging a background of weighing hundreds of aircraft, classroom attendees have access to a knowledge base in equipment and operations that is unmatched within the industry in quality, depth, and experience.

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