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§ 1043.60 Operating requirements for engines and vessels subject to this part.
This section specifies the operating requirements of this part. Note that it does not limit the operating requirements of APPS or Annex VI that are applicable to U.S.-flagged vessels outside of U.S. domestic waters.
(a) Except as specified otherwise in this part, NOX emission limits apply to all engines with power output of more than 130 kW that will be installed on vessels subject to this part as specified in the following table:
Table 1 to § 1043.60 Annex VI NOX Emission Standards (g/kW-hr)
| Tier | Area of applicability | Implementation date a | Maximum in-use engine speed | ||
|---|---|---|---|---|---|
| Less than 130 RPM | 130–2000 RPM b | Over 2000 RPM | |||
| Tier I | All U.S. navigable waters and EEZ | January 1, 2004–December 31, 2010 | 17.0 | 45.0 · n (−0.20) | 9.8 |
| Tier II | All U.S. navigable waters and EEZ | January 1, 2011–December 31, 2015 | 14.4 | 44.0 · n (−0.23) | 7.7 |
| Tier II | All U.S. navigable waters and EEZ, excluding ECA and ECA associated areas | January 1, 2016 and later | 14.4 | 44.0 · n (−0.23) | 7.7 |
| Tier III | ECA and ECA associated areas | January 1, 2016 and later c | 3.4 | 9.0 · n (−0.20) | 2.0 |