BeechcraftCertified · Fixed-wing · United States
76 Duchess
- Seats
- 4 4
- Power
- 180 hp134 kW
- Cruise
- 158 kt293 km/h
- US register
- 150 aircraft150 aircraft
About the 76 Duchess
The Beechcraft 76 Duchess is an American twin-engined, low-wing monoplane featuring a T-tail and retractable tricycle landing gear. Designed to seat four individuals, it serves as an economical twin-engine trainer intended to introduce pilots to multi-engine flying while competing with similar light aircraft in the same category.
Created from preliminary designs, the aircraft utilized bonded aluminum honeycomb construction for its wings to reduce manufacturing costs and create a smooth aerodynamic surface, adapting components from the manufacturer's single-engine line. It incorporates counter-rotating engines to eliminate the critical engine phenomenon during single-engine operations. Production took place at a dedicated facility over a multi-year period, alongside a single experimental test variant fitted with turbocharged powerplants.
Engines fitted
138 aircraft| Engine | Power | Share of fleet | Aircraft |
|---|---|---|---|
| Lycoming O-360 | 180 hp | 133 | |
| Lycoming LO-360 | 180 hp | 3 | |
| Lycoming IO-360 | 180 hp | 2 |
76 Duchess running costs
$370 an hour| Low | Typical | High | |
|---|---|---|---|
| Fuel | $12,382 | $15,826 | $18,547 |
| Oil | $288 | $360 | $468 |
| Engine overhaul reserve | $4,333 | $5,333 | $9,667 |
| Propeller overhaul reserve | $1,833 | $2,167 | $2,500 |
| Annual inspection and maintenance | $5,000 | $7,000 | $9,000 |
| Hangar | $3,000 | $6,300 | $9,600 |
| Total | $26,836 | $36,986 | $49,782 |
| Per hour | $268 | $370 | $498 |
Engine
- Model
- 2 × Lycoming O-360-A1D
- Power
- 180 hp
- Overhaul
- 2,000 h / 12 yr
- Fuel burn
- 16.4 – 20.7 gal/h
- Fuel price
- $8.20 /US gal
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