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2.24 The Committee was also advised that the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) United States’ body specialising in assessing and recommending air quality standards in air conditioned and ventilated environments, has formed a specific Sub-committee to examine the issue of air quality on commercial aircraft. The eventual recommendations from ASHRAE may lead to the introduction of changes to standards in relation to aircraft air quality.24 ASHRAE is:
… developing a standard to ensure cabin air quality 1) is safe for flight and occupants; 2) minimizes the potential for adverse health effects; and 3) is comfortable to occupants.25
2.25 At this stage, the Committee assumes that any improvement in air quality requirements will be in addition to ventilation requirements. The AFAP’s view however is that such a change may not be an adequate response:
22 CASA, Evidence, 1 November 1999, p 38; see also Associate Professor C. van Netten, Evidence, 14 March 2000, pp 213-214. For further information on the issue of carbon dioxide in the cabins of plans see Submission 5A, Dr Jean Christophe Balouet, attachment pp. 5-7.
23 Submission 14B, AFAP, p 3
24 Jolanda N. Janczewski, IAQ on Passenger Planes, ASHRAE Journal, September 1999, p 18. For information on why Ansett withdrew from being part of this study see Senate Hansard, 25 August 1999, p 7723.
25 W. Mark Pierce and others, Air Quality On Commercial Aircraft, ASHRAE Journal, September 1999, p 26.
It is … inappropriate to look to future general air quality standards when dealing with a specific aircraft problem, such as that of the BAe 146. This will not solve the BAe 146 problem and it is inappropriate for the manufacturer and others to mislead the committee by stating that ASHRAE proposals will solve the specific BAe 146 problem.26
BAe 146 cabin air quality problems in Australia
Australian Experience
2.26 There have been reports of cabin air fumes on board Australian BAe 146 aircraft since at least 1985. In 1982 the United States Federal Aviation Authority and National Transport Safety Bureau conducted tests on the BAe 146. Ansett told the Committee its initial reported fume occurrence was in 1991, when an East West Airlines crew first reported odours on the BAe 146 series 300 aircraft. East West Airlines later became part of Ansett Australia.27
2.27 The ATSB told the Committee that between 1991 and 1 November 1999, when the Bureau gave evidence, 93 occurrences of fumes in aircraft had been reported.
2.28 These occurrences:
… all fall into the general description of smoke, fumes or fire within the cabin or cockpit of an aircraft from whatever source. Those occurrences could be a simple as the spillage of food in a galley causing a fire to failure of an electronic components causing fumes to this particular occurrence -that is, the ingress of fumes from a failed seal within an engine - to multiple reports of ‘nothing found’ on investigation by the operator.28
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Air Safety and Cabin Air Quality in the BAe 146 Aircraft(20)
