Performance Specification
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| Make | HAWKER | HAWKER | HAWKER | HAWKER |
| Model | 125-1A | 125-3A | 125-3A/RA | 125-400A |
| Serial Number | ORIGINAL | ORIGINAL | ORIGINAL | ORIGINAL |
| ENGINES | ||||
| Number | 2 | 2 | 2 | 2 |
| Make | GARRETT | GARRETT | GARRETT | GARRETT |
| Model | TFE-731-3R-1H | TFE-731-3R-1H | TFE-731-3R-1H | TFE-731-3R-1H |
| Thrust LB Per Engine | 3,880.00 | 3,880.00 | 3,880.00 | 3,880.00 |
| Shaft HP Per Engine | 0.00 | 0.00 | 0.00 | 0.00 |
| Common TBO (hours) | 5,500 | 5,500 | 5,500 | 5,500 |
| FUSELAGE DIMENSIONS | ||||
| Length | 47.40 | 47.40 | 47.40 | 47.40 |
| Height | 16.50 | 16.50 | 16.50 | 16.50 |
| Wing Span | 47.00 | 47.00 | 47.00 | 47.00 |
| TYPICAL CONFIGURATION | ||||
| Crew | 2 | 2 | 2 | 2 |
| Passengers | 6 | 7 | 7 | 7 |
| Pressurization (psi) | 8.30 | 8.40 | 8.40 | 8.30 |
| WEIGHTS (LBS) | ||||
| Max Ramp | 21,400 | 21,900 | 23,100 | 23,300 |
| Max Takeoff | 20,500 | 21,400 | 23,300 | 23,300 |
| Zero Fuel | 13,200 | 13,700 | 14,700 | 14,200 |
| Basic Operating | 11,000 | 12,000 | 13,800 | 12,500 |
| Max Landing | 19,550 | 20,000 | 20,000 | 20,000 |
| FUEL CAPACITY | ||||
| Standard lbs/gal | 8,251 / 1,232 | 8,254 / 1,232 | 9,152 / 1,366 | 9,152 / 1,366 |
| Optional lbs/gal | 0 / 0 | 0 / 0 | 0 / 0 | 0 / 0 |
| TAKEOFF PERFORMANCE | ||||
| SL ISA BFL (ft) | 3,600 | 4,800 | 3,800 | 4,090 |
| 5000+20C BFL (ft) | 0 | 0 | 0 | 7,750 |
| LANDING PERFORMANCE | ||||
| FAA Field Length | 0 | 0 | 2,450 | 1,960 |
| RANGE (NAUTICAL MILES) | ||||
| Max Range (NBAA IFR) | 0 | 2,100 | 2,100 | 1,530 |
| CLIMB (SL ISA MTOW) | ||||
| Normal (fpm) | 4,000 | 4,000 | 3,100 | 3,700 |
| Engine Out (fpm) | 0 | 0 | 656 | 1,042 |
| SPEEDS (KNOTS) | ||||
| Vs (Clean) | 93 | 93 | 93 | 93 |
| Vso (Landing) | 110 | 110 | 110 | 77 |
| Normal Cruise TAS | 425 | 434 | 443 | 441 |
| Vmo (Max Operating) IAS | 290 | 285 | 285 | 285 |