CFR /  Title 33  /  Part 167  /  Sec. 167.450 In the Santa Barbara Channel Traffic Separation Scheme:

The Traffic Separation Scheme in the Santa Barbara Channel is described in Secs. 167.451 and 167.452. The geographic coordinates in Secs. 167.451 and 167.452 are defined using North American Datum 1983 (NAD 83).