Focke-WulfOther aircraft · Fixed-wing · Germany
Bl.503
- Seats
- 4 4
- Power
- 150 hp112 kW
- Cruise
- 119 kt220 km/h
About the Bl.503
The Focke-Wulf Bl.503 is a four-seat light aircraft designed in West Germany as a conventional low-wing cantilever monoplane with a retractable tricycle undercarriage and all-metal construction. It suits private or touring aviation duties, powered by a single air-conditioned flat-four piston engine driving a propeller.
Derived from earlier pre-war designs by Dr Walter Blume, the prototype was constructed at the Focke-Wulf facilities and utilized a powerplant that enabled respectable cruise speeds and range. Although the modified series achieved official West German type certification and was marketed alongside upgraded engine variants, commercial orders failed to materialize, leading the designer to abandon the project despite individual airframes remaining active into the following decade.
Bl.503 running costs
$193 an hour| Low | Typical | High | |
|---|---|---|---|
| Fuel | $5,134 | $6,642 | $7,706 |
| Oil | $120 | $150 | $195 |
| Engine overhaul reserve | $2,167 | $2,667 | $4,833 |
| Annual inspection and maintenance | $2,500 | $3,500 | $4,500 |
| Hangar | $3,000 | $6,300 | $9,600 |
| Total | $12,921 | $19,259 | $26,834 |
| Per hour | $129 | $193 | $268 |
Engine
- Model
- Lycoming O-320
- Power
- 150 hp
- Overhaul
- 2,000 h / 12 yr
- Fuel burn
- 6.8 – 8.6 gal/h
- Fuel price
- $8.20 /US gal
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