: In historical record archiving and current TBAS protocols, "verified" status ensures that a candidate’s flight hours and test logs match FAA central records and official military logs. Historical Validation and Efficacy of the BAT System
: Some leagues use "compression testing" or "air-gap" checks to verify that a bat has not been tampered with or "shaved" to increase performance. test bat air verified
During a match, the fourth umpire or the field officials can randomly evaluate any bat using a precision-crafted, wedge-shaped plastic or wooden gauge. The entire blade must pass cleanly through the template. If the spine, edges, or width cause the bat to catch or jam within the frame, officials immediately declare the equipment illegal. : In historical record archiving and current TBAS