46 C.F.R. § 401.400 Calculation of pilotage units and determination of weighting factor.
Title 46 - Shipping
The equivalent pilotage unit number and appropriate weighting factor for each ship shall be computed by utilizing the following formula and table: (a) Pilotage unit computation: Pilot Unit=(Length×Breadth×Depth)/283.17 (measured in meters) Pilot Unit=(Length×Breadth×Depth)/10,000 (measured in feet) (b) Weighting factor table: (c) The charge for pilotage service is obtained by multiplying the weighting factor, obtained from paragraph (b) of this section by the appropriate basic rate specified in §§401.405, 401.407, 401.410, 401.420 and 401.425. [CGFR 70–29a, 35 FR 10434, June 26, 1970, as amended by CGD 81–088; 47 FR 13808, Apr. 1, 1982; CGD 84–089, 50 FR 7178, Feb. 27, 1985. Redesignated and amended at 61 FR 32655, June 25, 1996; 62 FR 5922, Feb. 10, 1997. Redesignated and amended by USCG–1998–3976, 63 FR 35139, 35140, June 29, 1998]
Title 46: Shipping
PART 401—GREAT LAKES PILOTAGE REGULATIONS
Subpart D—Rates, Charges, and Conditions for Pilotage Services
§ 401.400 Calculation of pilotage units and determination of weighting factor.
------------------------------------------------------------------------ Weighting Range of pilotage units factor------------------------------------------------------------------------0 to 129..................................................... 1.00130 to 159................................................... 1.15160 to 189................................................... 1.30190 and over................................................. 1.45------------------------------------------------------------------------