Compliance with each gaseous emission standard by an aircraft engine shall be determined by comparing the pollutant level in grams/kilonewton/thrust/cycle or grams/kilowatt/cycle as calculated in § 87.64 with the applicable emission standard under this part. An acceptable alternative to testing every engine is described in Appendix 6 to ICAO Annex 16 (incorporated by reference in § 87.8 ). Other methods of demonstrating compliance may be approved by the Secretary with the concurrence of the Administrator.
[70 FR 69686, Nov. 17, 2005]
Title 40 published on 2012-07-01
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