Home Losses and Aviation Safety THAT TIME A KC-135 STRATOTANKER AIRCRAFT EXPLODED AFTER A FAILED PRESSURE TEST

THAT TIME A KC-135 STRATOTANKER AIRCRAFT EXPLODED AFTER A FAILED PRESSURE TEST

by Dario Leone
That time a KC-135 Stratotanker aircraft exploded after a failed pressure test

The outflow valves which are used to regulate the pressure of the KC-135 were capped off during a 5 year overhaul and never opened back up

The impressive photos in this post show the result of failed pressure test on a KC-135 Stratotanker aircraft.

“This is an example of what happens when we do not pay attention to detail, and do not follow instructions and checklists!”, says an excerpt from military “lessons learned” presentation which appears on discity.com.

According to the excerpt “a KC-135 Aircraft was being pressurized at ground level. The outflow valves which are used to regulate the pressure of the aircraft were capped off during a 5 year overhaul and never opened back up. The post-investigation revealed: that a civilian depot technician who, “had always done it that way,” was using a homemade gauge, and no procedure.That time a KC-135 Stratotanker aircraft exploded after a failed pressure test

The technician’s gauge didn’t even have a max “peg” for the needle and so it was no surprise he missed it when the needle went around the gauge the first time. As the technician continued to pressurize the aircraft, and as the needle was on its second trip around the gauge the aircraft went “boom” – the rear hatch was blown over 70 yards away, behind a blast fence!That time a KC-135 Stratotanker aircraft exploded after a failed pressure test

An incident like this is never funny and is further regrettable when we consider that this mistake is one that we (the taxpayers) will end up paying for. Fortunately, no one was reported as being injured.That time a KC-135 Stratotanker aircraft exploded after a failed pressure test

This was a good “Lesson Learned” for making sure we have trained people, who have the right tools, and who are following detailed procedures. And it should serve as a reminder that just because you’ve always done it that way, it does not make it the “right” way!”That time a KC-135 Stratotanker aircraft exploded after a failed pressure test

The KC-135 Stratotanker provides the core aerial refueling capability for the U.S. Air Force (USAF) and has excelled in this role for more than 50 years. This unique asset enhances the Air Force’s capability to accomplish its primary mission of global reach. It also provides aerial refueling support to Air Force, Navy, Marine Corps and allied nation aircraft. The KC-135 is also capable of transporting litter and ambulatory patients using patient support pallets during aeromedical evacuations. Through the years, the KC-135 has been altered to do other jobs ranging from flying command post missions to reconnaissance. RC-135s are used for special reconnaissance and Air Force Materiel Command‘s NKC-135As are flown in test programs. Air Combat Command operates the OC-135 as an observation platform in compliance with the Open Skies Treaty.

KC-135 Print

This print is available in multiple sizes from AircraftProfilePrints.com – CLICK HERE TO GET YOURS. KC-135R Stratotanker 161st Air Refueling Wing, 197th Air Refueling Squadron “Copperheads”, 63-8038 – Arizona Air National Guard – Sky Harbor ANG Base, AZ

Photo credit: U.S. Air Force

Artwork courtesy of AircraftProfilePrints.com

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The Aviation Geek Club
Welcome to The Aviation Geek Club, your new stopover aviation place. Launched in 2016 by Dario Leone, an Italian lifelong - aviation geek, this blog is the right place where you can share your passion and meet other aviation enthusiasts from all over the world.

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