---
kind: "section"
citation: "46 C.F.R. § 112.15-5"
title: "46"
number: "112.15-5"
heading: "Final emergency loads."
url: "https://uscodex.org/cfr/46/112.15-5"
---

# §112.15-5. Final emergency loads.


On vessels required to have a final emergency power source by [§ 112.05-5(a)](/cfr/46/112.05-5.md?p=a) of this chapter, the following emergency lighting and power loads must be arranged so that they can be energized from the final emergency power source:

- (a) Each load under [§ 112.15-1](/cfr/46/112.15-1.md).
- (b) **The machinery, controls, and alarms for each passenger elevator.**
- (c) **Each charging panel for—**
  - (1) Temporary emergency batteries;
  - (2) Starting batteries for diesel engines or gas turbines that drive emergency generators; and
  - (3) **General alarm batteries.**
- (d) One of the bilge pumps, if the emergency power source is its source of power to meet [Part 56](/cfr/46/part56.md) of this chapter.
- (e) One of the fire pumps, if the emergency power source is its source of power to meet the requirements of the subchapter under which the vessel is certificated.
- (f) **Each sprinkler system, water spray extinguishing system, or foam system pump.**
- (g) If necessary, the lube oil pump for each propulsion turbine and reduction gear, propulsion diesel reduction gear, and ship's service generator turbine which needs external lubrication.
- (h) **Each rudder angle indicator.**
- (i) **Each radio or global maritime distress and safety system (GMDSS) component.**
- (j) Each radio direction finder, radar, gyrocompass, depth sounder, global positioning system (GPS), satellite navigation system (SATNAV), speed log, rate-of-turn indicator and propeller pitch indicator.
- (k) Each steering gear feeder, if required by [part 58](/cfr/46/part58.md), [subpart 58.25](/cfr/46/subpart58.25.md), of this chapter.
- (l) Each general emergency alarm flashing light required by [§ 113.25-10](/cfr/46/113.25-10.md) of this chapter.
- (m) **Each electric blow-out-preventer control system.**
- (n) Any permanently installed diving equipment that is dependent upon the vessel's or drilling unit's power.
- (o) Each emergency generator starting compressor, as allowed by [§ 112.50-7(c)(3)(ii)](/cfr/46/112.50-7.md?p=c-3-ii).
- (p) Each steering gear failure alarm required by [part 113](/cfr/46/part113.md), [subpart 113.43](/cfr/46/subpart113.43.md), of this chapter.
- (q) **The ballast control system on each column-stabilized mobile offshore drilling unit.**
- (r) **Each vital system automation load required by part 62 of this chapter.**
- (s) Motor-operated valves for each cargo oil and fuel oil system, if the emergency power source is the source of power to meet [§ 56.60(d)](/cfr/46/56.60.md?p=d) of this chapter.
- (t) **Each ship's stabilizer wing, unless a separate source of emergency power is supplied.**
- (u) Each indicator that shows the position of the stabilizer wings, if the emergency power source is its emergency source of power.
- (v) Each smoke extraction fan, not including smoke detector sampling, and carbon dioxide or clean agent exhaust fans for spaces.

## Notes

### Amendments

[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996; 61 FR 36787, July 12, 1996; USCG-2010-0759, 75 FR 60003, Sept. 29, 2010; USCG-2006-24797, 77 FR 33882, June 7, 2012]

### Authority

Authority: 46 U.S.C. 3306, 3703; DHS Delegation No. 00170.1, Revision No. 01.2.

### Source

Source: CGD 74-125A, 47 FR 15267, Apr. 8, 1982, unless otherwise noted.

### Amendments

[CGD 74-125A, 47 FR 15267, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28287, June 4, 1996; 61 FR 36787, July 12, 1996; USCG-2010-0759, 75 FR 60003, Sept. 29, 2010; USCG-2006-24797, 77 FR 33882, June 7, 2012]