Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter U - Air Pollution Controls |
Part 1031 - Control of Air Pollution from Aircraft Engines |
Subpart B - Emission Standards and Measurement Procedures |
§ 1031.40 - Turboprop engines.
Latest version.
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§ 1031.40 Turboprop engines.
The following standards apply to turboprop engines with rated output at or above 1,000 kW:
(a) Smoke. Engines of a type or model for which the date of manufacture of the individual engine is on or after January 1, 1984, may not have a characteristic level for smoke number exceeding the following value:
SN = 187·rO−0.168
(b) [Reserved]