Naval support & landing craft1997–presentProfile in progress

47-foot Motor Lifeboat

standard lifeboat of the United States Coast Guard (USCG)

47-foot Motor Lifeboat is documented in the equipment reference catalogue. It was built by Textron Marine. Reported operators include United States Coast Guard Maritime Search and Rescue (Mexico).

Origin: Not reported
Manufacturer: Textron Marine

Compare

Length: 14.6m
Beam: 4.27m
Displacement: 18t
Speed: 46km/hMaximum
Range: 370kmcruising
Complement: 34

Technical data

Specifications

16 fields · 1 source · retrieved 1 Oct 2026

Dimensions & mass

Displacement: 18 t (20 short tons)¹
Length: 14.6 m (47 ft 11 in)¹

True scale

Size in context

Length: 14.6 m
Person: 1.75 m

Sourced dimensions beside a 1.75 m human reference.

Beam

4.27 m (14 ft 0 in)¹

Draft

1.37 m (4 ft 6 in)¹

Performance

Speed: 25 knots (29 mph; 46 km/h) maximum 22 knots (25 mph; 41 km/h) cruising¹
Range: 200 nmi (370 km) cruising¹
Complement: 34 persons, 4 crew, 30 passengers¹

Systems & armament

Propulsion: 2 × Detroit Diesel 6V92TA DDEC-IV engines, 435 hp (324 kW) each 1,500 L (400 US gal) usable fuel capacity¹
Armament: 1 × M240B machine gun (optional)¹

Programme

Name: 47′ MLB¹
Builders: Textron Marine¹
Preceded by: 44-foot motor lifeboat¹
Cost: $1,214,300¹
Planned: c. 227¹
Completed: 227¹
Active: 227¹

Sources & original excerpts1 reference

47-foot Motor Lifeboat · Wikipedia revision 1374396368 ↗
Name
Infobox · Name
47′ MLB
Builders
Infobox · Builders
Textron Marine
Operators
Infobox · Operators
United States Coast Guard Maritime Search and Rescue (Mexico)
Preceded by
Infobox · Preceded by
44-foot motor lifeboat
Cost
Infobox · Cost
$1,214,300
In service
Infobox · In service
1997–present
Planned
Infobox · Planned
c. 227
Completed
Infobox · Completed
227
Active
Infobox · Active
227
Displacement
Infobox · Displacement
18 t (20 short tons)
Length
Infobox · Length
14.6 m (47 ft 11 in)
Beam
Infobox · Beam
4.27 m (14 ft 0 in)
Draft
Infobox · Draft
1.37 m (4 ft 6 in)
Propulsion
Infobox · Propulsion
2 × Detroit Diesel 6V92TA DDEC-IV engines, 435 hp (324 kW) each 1,500 L (400 US gal) usable fuel capacity
Speed
Infobox · Speed
25 knots (29 mph; 46 km/h) maximum 22 knots (25 mph; 41 km/h) cruising
Range
Infobox · Range
200 nmi (370 km) cruising
Complement
Infobox · Complement
34 persons, 4 crew, 30 passengers
Armament
Infobox · Armament
1 × M240B machine gun (optional)
Role
Lead · exact subject class or current configuration
is the standard lifeboat of the United States Coast Guard (USCG)

Reference text from Wikipedia contributors, used under CC BY-SA 4.0.

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Operator countries

1 countries documented

47-foot Motor Lifeboat equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.

United States
110Reported holdings47-foot Motor Lifeboat · reported variants · Coast GuardEstimate · Period November 2025 IISS assessment · Single source
Count scope
US Coast Guard exact named 47-foot Motor Life Boat component holdings; active, operational-reserve and training equipment excluding equipment in store. November 2025 IISS assessment. Named service only, not a national total or combat-readiness measure. Source armament/capacity counts are excluded.

Additional operator references

United States Coast Guard Maritime Search and Rescue (Mexico)

Equipment reference ↗

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