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Niterói -class frigate
Brazilian frigate Constituição (F42) is a niterói -class frigate. It was built by Vosper Thornycroft.
Brazilian frigate Constituição (F42)
Marinha do Brasil (Oficial) · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · ModifiedConstituição
Constitution of Brazil
Vosper Thornycroft
15 April 1976
13 March 1974
31 March 1978
Rio de Janeiro
MMSI number : 710465000 Callsign : PWCO Pennant number : F-42
Urso ("Bear")
Active
Niterói -class frigate
3.355 t (3.302 long tons )
129.2 m (423 ft 11 in)
13.5 m (44 ft 3 in)
5.5 m (18 ft 1 in)
CODOG , two shafts 2 × Rolls-Royce Olympus TM-3B gas turbines 42,000 kW (56,000 hp ) combined 4 × MTU 16V 956 TB91 diesel engines 13,000 kW (17,000 hp ) combined
30 knots (56 km/h; 35 mph) (maximum) 22 knots (41 km/h; 25 mph) (diesels only)
5,300 nmi (9,800 km; 6,100 mi)
45 days
217
Modernized: Alenia RAN-20S air search radar Terma Scanter surface search radar Orion RTN-30X fire control radar Saab EOS-400 optronic director Krupp Atlas EDO-610E hull mounted sonar SICONTA Mk 2 C3I system
Modernized: Cutlass B1W ESM ET/SQL-1 ECM 12 × 102 mm decoy launchers
Modernized: 1 × Albatros launcher for 8 Aspide surface-to-air missiles 1 × 114 mm Mark 8 gun 2 × Bofors 40 mm guns 2 × twin launchers for Exocet anti-ship missiles 2 × triple torpedo tubes for Mark 46 torpedoes 1 × double-barrel Bofors Boroc anti-submarine rockets
Westland Super Lynx Mk.21B helicopter
Helipad and hangar
Constituição (F42) is a Niterói -class frigate of the Brazilian Navy . The Constituição was the third ship of the class ordered by the Brazilian Navy, on 20 September 1970. The Constituição was launched on 15 April 1976, and was commissioned on 31 March 1978.
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Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 129.2 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 129.2 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 129.2 m | Wikipedia contributors | approved |
| 28 Sept 2026 | 129.2 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 129.2 m | Wikipedia contributors | superseded |
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