| Crew | 2 | The Beechcraft C-90 “King Air” is a twin turboprop aircraft operating under a Standard Airworthiness Certificate. NTPS uses the King Air for Performance and Flying Qualities flight test instruction. |
| Passenger | 5 | |
| Manufacturer | Beechcraft | |
| Country of Origin | USA | |
| Engine | 2 x Pratt &Whitney PT6A-20 | |
| Power | 550 SHP Each | |
| Length | 335 ft 6 in | |
| Height | 14 ft 3 in | |
| Wing Span | 50 ft 3 in | |
| Wing Area | 294 ft2 | |
| MTOW | 9650 lbs | |
| Range | 1,321 nm | |
| Vne | 270 kts | |
| Service Ceiling | 30,000 ft |