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Aviation History
1983
1983 - 0027.PDF
Corrosion can be as important as fatigue in deter mining continued airworthiness. This is a seat- rail from a "spilt-fruit-juice " area a jet of another owner. In the United Kingdom Dan-Air Engineering at Lasham and Monarch's associated company Airline Engineering at Luton are examples of airline remanu- facturing activities which—they would argue—enjoy the best of both worlds: they are operationally separate from, yet tech nically affiliated to, an airline. Hong Kong's Haeco, UK-based Aviation Traders, and France's UTA are other examples. Long-term relationships between airline and remanufacturer can develop to the point where the staff regard, say, Zongoland Airways as their airline. The cowboys are on their own. Even if they are operating under some flag of air worthiness convenience, the aviation en gineering world is small enough to ensure that they soon fly into the disapproval of the conscientious aviation world. AIRCRAFT SELECTION A remanu facturer will help customers to choose their aircraft. He may be associated with Flight artist Ira Epton, with the co-operation of Aviation Traders Stansted, illustrates a typical major remanufacturingjob—the restructuring of the 707 tailplane and centre-section. Key: 1 New fail-safe reinforcement of main-spar attachment lugs. 2 Pinking straps with free lateral movement. 3 Side-plates using existing A-frame holes. 4 Main-spar attachment lugs. 5 Tailplane pivot. 6 Upper safety strap. 7 Lower safety strap. 8 Aluminium-nickel-bronze bush. 9 Original front-spar attachment lugs. 10 Original ram-attachment lugs (tailplane actuation). 11 New spar chords. 12 Anti-fatigue strap. These modifications resulted from the fatal 707 tailplane fatigue failure at Lusaka in 1977 was ever closed, are working on the DC-8-60/CFM56 conversions at Tulsa. The independent remanufacturers argue that their customers always get priority. First loyalty of an airline engineer, they say, is to his own aircraft. Aircraft overhauls for third parties (argue the independent remanufacturers) get pushed aside when the owner airline has a crisis—for instance a sudden mandatory inspection. Such pressures have certainly inhibited the efforts of some excellent air line engineering departments to succeed in third-party work. British Airways is an example. In the hangars of America's most efficient airline, Delta, you will rarely see ; FLIGHT International, 1 January 1983 31
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