Archive for the 'Aircraft Maintenance' Category

Glacier Girl – P-38 Lightning Warbird – Its Recovery and Restoration

Wednesday, May 9th, 2012

The Loss and Recovery of a Warbird – Historical Background to the Lost Squadron   In 1942, a squadron of U.S. B-17 bombers and P-38 Lightning fighters , part of the 475th Fighter Group, fell prey to poor weather and navigational error, with the entire squadron crash landing onto the Greenland Ice cap.  These planes [...]


Pitot Tube Replacement

Sunday, December 11th, 2011

Pitot tube replacement is an important aircraft mechanic job, and requires knowing the fundamentals of  Pitot-Static tubes.  The basic Pitot tube was invented by Henri Pitot in 1732.  Despite its ancient lineage, it is still useful today.  Pitot-Static tubes (also called Prandtl tubes) are used on aircraft as “speedometers.” The actual tube on an aircraft [...]

Parts Manufacturer Approval (PMA)

Tuesday, November 15th, 2011

In aircraft maintenance, Parts Manufacturer Approval (PMA) is an approval granted by the United States Federal Aviation Administration (FAA) to a manufacturer of replacement aircraft parts.  PMA is a combined design and production approval for modification and replacement equipment.  It allows a manufacturer to produce and sell these articles for installation on type-certified products.  FAA [...]

FiFi – The Last Flying B-29 Superfortress

Tuesday, November 8th, 2011

FiFi,  a Boeing B-29A Superfortress, is one of only a few surviving B-29 bombers in existence and the only B-29 currently flying.  It is owned by the Commemorative Air Force, currently based at Addison, Texas.  FiFi tours the U.S.A. and Canada,  participating in air shows and providing flight experiences.  For prices ranging from $595 to [...]

MRO World – aircraft maintenance, repair and overhaul

Monday, November 7th, 2011

A Maintenance, Repair and Overhaul  (MRO) company performs aircraft repairs at what is termed an FAA repair station. In the US, the FAA provides a list of designated repair stations at Repair stations are located outside US territory as well.  Depending on the the business environment and the needs of an airline carrier, substantial [...]

The Revolutionary Boeing 787 Dreamliner and its Implications for Aircraft Maintenance

Friday, October 28th, 2011

The Boeing 787 Dreamliner,  developed by Boeing Commercial Airplanes, is a long-range, wide-body, twin-engine jet airline, intended as a follow-on to the Boeing 767.  Boeing 787 Dreamliner aircraft maintenance is expected to be significantly easier than with the Boeing 767, in part because of the use of carbon fiber composites and additionally because of designed [...]

The Brave New World of Jet Engine Maintenance

Wednesday, October 5th, 2011

Rolls-Royce has a long history of excellence in the automotive and aircraft industries. Mastery of both jumbo jet engine technology and jet engine maintenance  techniques has propelled Rolls-Royce into market leadership in this sector of the aerospace industry. A BBC documentary video was created in 2010, revealing Rolls-Royce jumbo jet engine manufacturing and technology in [...]

Inspecting a CFM56 jet engine – Opening an Engine Cowl

Sunday, October 2nd, 2011

  Imagine working on an Airbus A320, doing routine aircraft engine maintenance of a GE/SNECMA CFM56 jet engine. CFM is a combination of two major aircraft engine manufacturers: the French firm Snecma (SAFRAN Group) , and the U.S. firm, GE. This CFM56 jet engine is typically employed  in many current Airbus and Boeing aircraft, commonly [...]

Impact of Aging on Airplane Maintenance

Friday, August 12th, 2011

As an aircraft mechanic, airplane maintenance is sometimes not covered in adequate detail in aircraft mechanic school. In all aircraft, there is an aircraft life cycle, which can be described as  the “bathtub curve“. The overall reliability of a system or component through out its life cycle involves three phases: infancy/break-in useful life wear out [...]