Displacement,
tons: 359 standard; 425 full load (P
20-23) 329 standard; 429 full load (P 24-29)
Displacement Full Load (tonnes): 431.8
Displacement Standard (tonnes): 364.7
Length (m): 56.2
Beam (m): 8
Draught (m): 2.1
Range (nm): 700
Speed (knots): 36
Dimensions, feet (metres): 184 × 26.2 × 7 (56.2 × 8 × 2.1)
Main machinery: 4 MTU 20V 538 TB92 diesels; 17,060 hp(m) (12.54 MW) sustained; 4 shafts (P 20-23)
4 MTU 20V 538 TB91 diesels; 15,360 hp(m) (11.29 MW) sustained; 4 shafts (P 24-29)
Speed, knots: 36 (P 20-23); 32.5 (P 24-29).
Range, miles: 700 at 32 kt; 2,700 at 15 kt
Complement: 42 (5 officers)
Missiles: SSM: 4 Aerospatiale MM 38 Exocet (P 20-P 23); inertial cruise; active radar homing to 42 km (23 n miles) at 0.9 Mach; warhead 165 kg.
6 Kongsberg Penguin Mk 2 Mod 3 (P 24-P 29); inertial/IR homing to 27 km (15 n miles)at 0.8 Mach; warhead 120 kg.
Guns: 2 OTO Melara 3 in (76 mm)/62 compact; 85 rds/min to 16 km (8.6 n miles) anti-surface; 12 km (6.5 n miles) anti-aircraft; weight of shell 6 kg.
4 Emerson Electric 30 mm (2 twin); multipurpose; 1,200 rds/min combined to 6 km (3.2 n miles); weight of shell 0.35 kg.
Torpedoes: 2-21 in (533 mm)aft tubes. AEG SST-4; anti-surface; wire-guided; active homing to 12 km (6.5 n miles) at 35 kt; passive homing to 28 km (15 n miles) at 23 kt; warhead 250 kg.
Countermeasures: Decoys: Wegmann chaff launchers.
ESM: Thomson-CSF DR 2000S; intercept.
Weapons control: 2 CSEE Panda optical directors for 30 mm guns. Thomson-CSF Vega I or II system (P 20-P 23). NFT PFCS-2 (P 24-P 29).
Radars: Surface search: Thomson-CSF Triton; G-band; range 33 km (18 n miles) for 2 m2 target.
Navigation: Decca 1226C; I-band.
Fire control: Thomson-CSF Castor II; I/J-band; range 31 km (17 n miles) for 2 m2 target.
Thomson-CSF Pollux; I/J-band; range 31 km (17 n miles) for 2 m2 target.
Programmes: First four ordered in September 1974. Second group of six ordered 1978.
Modernisation: P 24-29 upgraded to fire Penguin Mk 2 Mod 3 missiles.
Structure: First four fitted with SSM Exocet; remainder have Penguin.
Operational: P 25 sunk after collision with a ferry in November 1996.
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