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Equipment

Equipment Off-the-shelf 'Clearway 1' runway replacement weather deicer cleared for take­ avoidance radomes for off at BAA Airports ATR-42/72 commuter This winter BAA airport group, operators worldwide." will be using BP Chemicals award- Clearway 1 is harmless to aircraft winning 'green' runway deicer, groundwater, plant and animal Clearway 1. life, is easily biodegradable with The product, which in March low oxygen depletion and there are no waste products from its A new, replacement weather 1991 won a Green Product Award avoidance radome is now available manufacture. in the Better Environment Awards to commercial airlines for all for Industry, will be used at BAA's Additionally, Clearway 1 offers ATR-42/72 commuter aircraft airports at Heathrow, Gatwick, benefits in terms of performance. from Norton Performance Plastics. Stansted and in Scotland. It works faster than conventional The new radome, Norton Part deicers, and has superior surface Barry Hurley, BP Chemicals No. 4812X, is FAA-STC approved business manager, Deicers, said: friction properties. Compared with (SA1633GL) to replace existing "We are pleased to supply BAA urea and glycol, it also provides a equipment on ATR-42 and ATR- with Clearway 1 in support of its more cost-effective solution to deicing, with lower amounts re­ 72 aircraft. It is also manufactured environmental improvement plan. quired for the same level of in compliance with FAA-PMA The product provides an environ­ regulations. performance. mentally-safe solution to runway deicing problems faced by airport Available as an off-the-shelf replacement item at a significantly ideal for fleet expansion as well as lower price than the OEM spare replacement. It also eliminates part price, the Norton radome multiple problems associated with Arc voltage control features average transmission effic­ Kevlar®/epoxy radomes. iency of 94.5% with minimum Norton Performance Plastics is 4 will control arc gap reliability transmission efficiency of 89.4% also an OEM supplier of a wide system without "hunting" at arc currents as a result of its tuned honeycomb, range of commercial aircraft as low as 3 amperes, thus enhancing sandwich construction. In fact, radomes to companies such as weld quality and productivity. For fabricators involved with the transmission efficiency exceeds Boeing, DeHavilland, British It is possible to pre program mechanised TIG welding of thin ARINC and RTCA requirements Aerospace, Casa and Saab. Norton section out of round or irregular digitally both top and bottom and provides the greatest range is also an authorized FAA Repair geometric components, the new pulse control voltages or alter­ and clearest signal, optimizing Station (No. 0A1R367K). natively make the system only Huntingdon Fusion Techniques radar performance on the X-band respond to the top pulse voltage. Limited model AVC 4 automatic frequency. Norton Performance Plastics, This facility will be valuable to arc voltage control system solves The radome is fully interchange­ 335 N. Diamond Street, Ravenna, aerospace component manufac­ the problems of varying arc gap able with OEM radomes and is OH 44256. Tel: 216 296 9948. turers automatically TIG welding and inconsistency in welding. critical thin section components Until now AVC systems have with or without wire feed. generally exhibited poor per­ The AVC 4 sytstem is fitted as formance at low currents typically A Single Card P(Y)-code standard with a touch and retract in the range 3-20 amperes. Through initial arc gap setting system. advanced electronic control circuit This feature allows the initial design, it is claimed that the AVC GPS receiver at SAGEM arc gap requirement to be digitally pre set at the front panel, then Final tests are underway at The C/A code is accessible to and of the highly miniaturized before welding commences, the SAGEM for integration of the any user while the more accurate, P(Y) GPS receiver appears to torch advances to touch the com­ newest P(Y) code GPS receiver encrypted P(Y) code is available meet a strong requirement of the ponent's surface and retracts to card into a standard ULISS aircraft only to selected countries. market for high accuracy jam- precisely the desired gap. Neither inertial navigation unit. Flight The newly developed P(Y) resistant navigation/localisation the electrode nor component is tests are scheduled for February version is implementing the same systems. damaged with this method. 92 at the French flight test center "all-in-view" concept (12 parallel SAGEM is also proposing the (CEV Bretigny). channels capable of tracking all retrofit of some 1,500 ULISS Huntingdon Fusion Tech­ satellites in view) as the earlier As early as July 1989 SAGEM systems operational in 16 countries, niques Ltd., Stonehill, Stukeley C/A version. was successfully flight testing on a by addition of a GPS receiver Meadows Industrial Estate, Mirage a C/ A code GPS embedded The association in a single F3 card, either C/A of P(Y) according Huntingdon, Cambridgeshire, stanard box of the ULISS navigator into a ULISS inertial navigator. to the customer country. PE18 6ED. Tel: 0480 412432. 30 AIRCRAFT ENGINEERING — February 1992 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb037212
Publisher site
See Article on Publisher Site

Abstract

Off-the-shelf 'Clearway 1' runway replacement weather deicer cleared for take­ avoidance radomes for off at BAA Airports ATR-42/72 commuter This winter BAA airport group, operators worldwide." will be using BP Chemicals award- Clearway 1 is harmless to aircraft winning 'green' runway deicer, groundwater, plant and animal Clearway 1. life, is easily biodegradable with The product, which in March low oxygen depletion and there are no waste products from its A new, replacement weather 1991 won a Green Product Award avoidance radome is now available manufacture. in the Better Environment Awards to commercial airlines for all for Industry, will be used at BAA's Additionally, Clearway 1 offers ATR-42/72 commuter aircraft airports at Heathrow, Gatwick, benefits in terms of performance. from Norton Performance Plastics. Stansted and in Scotland. It works faster than conventional The new radome, Norton Part deicers, and has superior surface Barry Hurley, BP Chemicals No. 4812X, is FAA-STC approved business manager, Deicers, said: friction properties. Compared with (SA1633GL) to replace existing "We are pleased to supply BAA urea and glycol, it also provides a equipment on ATR-42 and ATR- with Clearway 1 in support of its more cost-effective solution to deicing, with lower amounts re­ 72 aircraft. It is also manufactured environmental improvement plan. quired for the same level of in compliance with FAA-PMA The product provides an environ­ regulations. performance. mentally-safe solution to runway deicing problems faced by airport Available as an off-the-shelf replacement item at a significantly ideal for fleet expansion as well as lower price than the OEM spare replacement. It also eliminates part price, the Norton radome multiple problems associated with Arc voltage control features average transmission effic­ Kevlar®/epoxy radomes. iency of 94.5% with minimum Norton Performance Plastics is 4 will control arc gap reliability transmission efficiency of 89.4% also an OEM supplier of a wide system without "hunting" at arc currents as a result of its tuned honeycomb, range of commercial aircraft as low as 3 amperes, thus enhancing sandwich construction. In fact, radomes to companies such as weld quality and productivity. For fabricators involved with the transmission efficiency exceeds Boeing, DeHavilland, British It is possible to pre program mechanised TIG welding of thin ARINC and RTCA requirements Aerospace, Casa and Saab. Norton section out of round or irregular digitally both top and bottom and provides the greatest range is also an authorized FAA Repair geometric components, the new pulse control voltages or alter­ and clearest signal, optimizing Station (No. 0A1R367K). natively make the system only Huntingdon Fusion Techniques radar performance on the X-band respond to the top pulse voltage. Limited model AVC 4 automatic frequency. Norton Performance Plastics, This facility will be valuable to arc voltage control system solves The radome is fully interchange­ 335 N. Diamond Street, Ravenna, aerospace component manufac­ the problems of varying arc gap able with OEM radomes and is OH 44256. Tel: 216 296 9948. turers automatically TIG welding and inconsistency in welding. critical thin section components Until now AVC systems have with or without wire feed. generally exhibited poor per­ The AVC 4 sytstem is fitted as formance at low currents typically A Single Card P(Y)-code standard with a touch and retract in the range 3-20 amperes. Through initial arc gap setting system. advanced electronic control circuit This feature allows the initial design, it is claimed that the AVC GPS receiver at SAGEM arc gap requirement to be digitally pre set at the front panel, then Final tests are underway at The C/A code is accessible to and of the highly miniaturized before welding commences, the SAGEM for integration of the any user while the more accurate, P(Y) GPS receiver appears to torch advances to touch the com­ newest P(Y) code GPS receiver encrypted P(Y) code is available meet a strong requirement of the ponent's surface and retracts to card into a standard ULISS aircraft only to selected countries. market for high accuracy jam- precisely the desired gap. Neither inertial navigation unit. Flight The newly developed P(Y) resistant navigation/localisation the electrode nor component is tests are scheduled for February version is implementing the same systems. damaged with this method. 92 at the French flight test center "all-in-view" concept (12 parallel SAGEM is also proposing the (CEV Bretigny). channels capable of tracking all retrofit of some 1,500 ULISS Huntingdon Fusion Tech­ satellites in view) as the earlier As early as July 1989 SAGEM systems operational in 16 countries, niques Ltd., Stonehill, Stukeley C/A version. was successfully flight testing on a by addition of a GPS receiver Meadows Industrial Estate, Mirage a C/ A code GPS embedded The association in a single F3 card, either C/A of P(Y) according Huntingdon, Cambridgeshire, stanard box of the ULISS navigator into a ULISS inertial navigator. to the customer country. PE18 6ED. Tel: 0480 412432. 30 AIRCRAFT ENGINEERING — February 1992

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Feb 1, 1992

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