PZL Bielsko SZD-55
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| Type designation | SZD-55 |
| Competition Class | Standard |
| Crew | 1 |
| Length | 6.41 m (SZD-55) |
| Height | 1.30 m |
| Cockpit width | 0.55 m (SZD-55) |
| Cockpit height | 0.74 m (SZD-55) |
| Wingspan | 15 m (SZD-55) |
| Wing area | 9.60 m² (SZD-55) |
| Aspect ratio | 23.44 (SZD-55) |
| Wing profile | NN-27 |
| Empty mass | ca. 215 kg |
| Water ballast | 195 kg SZD-55 |
| Tail Water ballast | 6 kg SZD-55 |
| Maximum mass | 500 kg (SZD-55) |
| Wing loading | ca. 32 – 52 kg/m² (SZD-55) |
| Maximum speed | 255 km/h (SZD-55) |
| Rough air speed | 200 km/h (SZD-55) |
| Stall speed | 84 km/h (SZD-55) |
| Minimum sink rate | ca. 0.68 m/s (SZD-55) |
| Best glide ratio | approx. 43:1 |
The PZL Bielsko SZD-55 is a Standard Class sailplane produced by PZL Bielsko since 1988. It was built in direct competition with the Schempp-Hirth Discus. The SZD-55 is still in production with approximately 20 registered in the United States.
The SZD-55 is built of fiberglass and takes advantage of an elliptical wing. It has top surface Schempp-Hirth type spoilers.
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