| TYPE: Northrop
 | 
| F-5A/B Freedom Fighter ееее | single-seat multi-role fighter
 | 
| ENGINES:
 two General Electric J85-GE-13
 | 
| turbojets еееееееееееееееее | 4,080lb (1,851kg) reheated thrust each
 | 
| PERFORMANCE (F-5A at AUW of 11,450lb = 5,193kg; F-5B at
 AUW of 10,840lb = 4,916kg, unless indicated otherwise):
 Max level speed at 36,000ft (11,000m)
 | 
| F-5A еееееееееееееееееееее | Mach 1.4 | 
| F-5B еееееееееееееееееееее | Mach 1.34 | 
| Max permissible diving | 
| speed ееееееееееееееееееее | 710knots (818mph; 1,315km/h) IAS
 | 
| Max cruising speed without afterburning, at 36,000ft | 
| (11,000m) ееееееееееееееее | Mach 0.96 | 
| Econ cruising speed ееееееее | Mach 0.87 | 
| Rate of climb at S/L еееееее | 28,700ft (8,750m)/min | 
| Service ceiling ееееееееееее | over 50,000ft (15,240m) | 
| Service ceiling, one engine | 
| out еееееееееееееееееееееее | over 34,000ft (10,363m) | 
| T-O run (with two Sidwinder missiles): F-5A at AUW of 13,677lb
 | 
| (6,203kg) еееееееееееееее | 2,650ft (808m) | 
| F-5B at AUW of 13,051lb | 
| (5,942kg) еееееееееееееее | 2,200ft (671m) | 
| Combat radius with max payload and five minutes combat at S/L:
 | 
| F-5A еееееееееееееееееееее | 186nm (215miles; 340km) | 
| F-5B еееееееееееееееееееее | 195nm (225miles; 362km) | 
| WEIGHTS AND LOADINGS:
 Weight empty, equipped
 | 
| F-5A еееееееееееееееееееее | 8,085lb (3,667kg) | 
| F-5B еееееееееееееееееееее | 8,361lb (1,792kg) | 
| Max military load ееееееееее | 6,200lb (2,812kg) | 
| Max T-O weight: | 
| F-5A еееееееееееееееееееее | 20,677lb (9,379kg) | 
| F-5B еееееееееееееееееееее | 20,500lb (9,298kg) | 
| Max zero-fuel weight: | 
| F-5A еееееееееееееееееееее | 12,212lb (6,446kg) | 
| F-5B еееееееееееееееееееее | 13,752lb (6,237kg) | 
| Max design landing weight ее | 19,857lb (9,006kg) | 
| Max wing loading: | 
| F-5A еееееееееееееееееееее | 121lb/aqft (590.8kg/Зu) | 
| F-5B еееееееееееееееееееее | 118lb/sqft (576kg/Зu) | 
| DIMENSIONS, EXTERNAL:
 | 
| Wing span ееееееееееееееееее | 25ft3in (7.70m) | 
| Wing chord at roof еееееееее | 11ft3in (3.43m) | 
| Wing chord at top ееееееееее | 2ft3in (0.69m) | 
| Span over tip-tanks ееееееее | 25ft10in (7.78m) | 
| Length overall: | 
| F-5A еееееееееееееееееееее | 47ft2in (14.38m) | 
| F-5B еееееееееееееееееееее | 46ft4in (14.12m) | 
| Height over tail: | 
| F-5A еееееееееееееееееееее | 13ft2in (4.28m) | 
| F-5B еееееееееееееееееееее | 13ft1in (3.99m) | 
| Tailplane span еееееееееееее | 14ft1in (4.28m) | 
| Wheel track ееееееееееееееее | 11ft0in (3.35m) | 
| Wheelbase: | 
| F-5A еееееееееееееееееееее | 15ft4in (4.67m) | 
| F-5B еееееееееееееееееееее | 19ft6in (5.94m) | 
| AREAS:
 | 
| Wings, gross еееееееееееееее | 170sqft (15.79Зu) | 
| Aileron (total) ееееееееееее | 9.24sqft (0.86Зu) | 
| Tailing-edge flaps (total) е | 19.0sqft (1.77Зu) | 
| Leading-edge flaps (total) е | 12.3sqft (1.14Зu) | 
| Fins еееееееееееееееееееееее | 41.42sqft (3.85Зu) | 
| Rudders ееееееееееееееееееее | 6.1sqft (0.57Зu) | 
| Tailplane ееееееееееееееееее | 59sqft (5.48Зu) | 
| ARMAMENT:
 Cannons ееееееееееееееееееее
 | two 20mm cannons | 
| Disporsal stores еееееееееее | up to 6,200lb (2,812kg) |