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•􀂬 Dye-penetrant testing and Magnetic
particle inspection
•􀂬 Helium leakage test
•􀂬 Cleanness test
The following destructive tests are performed
in the internal laboratory:
•􀂬 Corrosion tests
•􀂬 Hardness tests
•􀂬 Ferrite determination
BUTTING complies with many testing and
accreditation requirements:
•􀂬 TÜV acc. to AD2000-Merkblatt W0/HPO
and TRD 100/201
•􀂬 Competence certificate acc. to
DIN 18 800 part 7
•􀂬 Approval acc. to HP0 and DIN EN 729-2
and DGRL 97/23/EG
•􀂬 Approval according to the water supply
rules (WHG) § 19 I
•􀂬 Approval acc. to AECMA EASE (European
Aerospace Supplier Evaluation) DIN EN 9100
•􀂬 Accreditation of the laboratory acc. to
DIN EN ISO/IEC 17025 : 2000 etc.
•􀂬 Tensile tests
•􀂬 Hot tensile tests
•􀂬 Bend tests
•􀂬 Charpy-impact tests, also at low
temperatures
•􀂬 Technological testing
•􀂬 Metallographic examinations
•􀂬 Spectroscopic analyses
Q U A L I T Y A S S U R A N C E
Corrrosion test
Radioscopic examination (Real time
radiography)
Tensile test
8
BUTTING
AIRCRAFT & AEROSPACE INDUSTRY
Aerial view of BUTTING Knesebeck
BUTTING
Gifhorner Straße 59
29379 Knesebeck
Germany
Phone: +49 5834 50-0
Fax: +49 5834 50-320
E-Mail: info@butting.de
Internet: www.butting.de
BUTTING
Kuhheide 13a
16303 Schwedt/Oder
Germany
Phone: +49 3332 2097-0
Fax: +49 3332 2097-19
E-Mail: info@butting-schwedt.de
BUTTING (Shanghai) Co., Ltd.
Jingxue Rd. 199 / 2, Malu Jiading
201801 Shanghai
China
Phone: +86 21 69157598
Fax: +86 21 69157599
E-Mail: info@butting.com.cn
BOEING 747-400 Jumbo Jet
As a further development of the 747-300 stretched upper deck aircraft, Boeing launched the 747-400 in October,
1985, on the basis of an order for 10 aircraft placed by Northwest Airlines; this was followed by a 14-aircraft
order from Singapore Airlines in March, 1986. The 747-400 is a greatly improved variant of the 747-300, with
significant savings achieved through the use of lighter aluminum alloys and certain hardware adapted from the 757
and 767.
The 747-400 differs from the -300 in having numerous changes to the structure and systems. The wing span has
been increased by the use of 6 ft (1.8 m) extensions on the wingtips with upward-pointing winglets for improved
aerodynamics. The new wingtips increase the aspect ratio of the wing, thereby reducing induced drag and
increasing the range of the aircraft by 3%. Extended wingtips plus winglets increase overall span to 212 ft. 2 in.
(64.67 m.). Boeing says the -400 consumes 8 to 13% less fuel than the 747-300, and up to 17% less than the
747-200.
The changes include a choice of advanced technology, lean-burn engines such as the 56,000 lb (25,402 kg) thrust
Pratt & Whitney PW4056, the 59,000 lb (26,339 kg) thrust General Electric CF6-80C2, and the 60,000 lb
(26,785 kg) thrust Rolls-Royce RB211-524G/H.
The two-crew EFIS (Electronic Flight Instrument System, which is the electronic instrumentation in modern
aircraft cockpits in which large multifunction CRT displays replace traditional electro-mechanical instruments;
also termed "glass cockpit") cockpit instrumentation improvements of the 757 and 767 have been adapted to the
747-400, to transform a three-crew-member analog cockpit with electro-mechanical instruments to a full digital,
two-crew flight deck with six multi-function CRT displays. The design provides even more capability than the
757/767 flight deck.
Depending on engines and other variables, the gross weight of the 747-400 ranges from 800,000 to 870,000 lb.
Due to the added fuel capacity, more fuel efficient engines, and the new wingtips, the 747-400 has a range up to
8,400 mi (13,400 km).
The 747-400 powered by PW4056 turbofans, first flew in April, 1988 and entered service in January, 1989 with
Northwest. On June 27, 1988, this first -400, a 747-451 for Northwest Airlines, set a new official weight record
by reaching an altitude of 2,000 meters at a gross weight of 892,450 lb. Qantas Airways set the world distance
record for commercial airliners by flying its first 747-400 from London to Sydney non-stop, a distance of 11,156
mi. (18,000 km) in 20 hr 9 min.
Japanese airlines have bought the 747-400D, without winglets and with other minor changes, for high intensity
Japanese domestic routes. The undercarriage, wing and fuselage are strengthened to accommodate a high number of
　
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