Federal regulations · Through 2026-08-25 · Newer source version available

46 CFR 15.915: Engineer officer endorsements.

The following MMC officer endorsements authorize the holder to serve as noted, within any restrictions on the MMC, and as provided by § 15.401:
(a) A Designated Duty Engineer (DDE) endorsement authorizes service as Chief or Assistant Engineer on vessels of less than 500 GT in the following manners:
(1) A DDE limited to vessels of less than 1,000 horsepower or less than 4,000 horsepower may serve only on near-coastal, Great Lakes, or inland waters.
(2) A DDE with no horsepower limitations may serve on any waters.
(3) When serving on a vessel to which STCW applies, the appropriate STCW endorsement must also be held.
(b) A Chief Engineer-Limited endorsement authorizes service as Chief or Assistant Engineer on vessels of any gross tons on inland waters and of less than 1,600 GRT on ocean, near-coastal, or Great Lakes waters.
(c) An Assistant Engineer-Limited endorsement authorizes service on vessels of any gross tons on inland waters and of less than 1,600 GRT on ocean, near-coastal, or Great Lakes waters.

Where this section sits in the code

Title 46—Shipping
CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
SUBCHAPTER B—MERCHANT MARINE OFFICERS AND SEAMEN
PART 15—MANNING REQUIREMENTS
Subpart I—Equivalents

The following MMC officer endorsements authorize the holder to serve as noted, within any restrictions on the MMC, and as provided by § 15.401:

(a) A Designated Duty Engineer (DDE) endorsement authorizes service as Chief or Assistant Engineer on vessels of less than 500 GT in the following manners:

(1) A DDE limited to vessels of less than 1,000 horsepower or less than 4,000 horsepower may serve only on near-coastal, Great Lakes, or inland waters.

(2) A DDE with no horsepower limitations may serve on any waters.

(3) When serving on a vessel to which STCW applies, the appropriate STCW endorsement must also be held.

(b) A Chief Engineer-Limited endorsement authorizes service as Chief or Assistant Engineer on vessels of any gross tons on inland waters and of less than 1,600 GRT on ocean, near-coastal, or Great Lakes waters.

(c) An Assistant Engineer-Limited endorsement authorizes service on vessels of any gross tons on inland waters and of less than 1,600 GRT on ocean, near-coastal, or Great Lakes waters.

Collected 2026-08-27T02:26:22Z. Source file · JSON

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