However, it is the pilot’s sole responsibility to verify and fly the a/c within the limits of factory-published information.
| Weight and Balance May 2025 | |
|---|---|
| Empty Weight | 877 lbs. |
| Maximum Weight | 1320 lbs. |
| Maximum Useful Load | 443 lbs. |
| Minimum front seat load for all flights* | 154* lbs. |
| Maximum Front Seat Load | 242 lbs. |
| Maximum Rear Seat Load | 242 lbs. |
| Maximum Baggage Compartment Load | 22 lbs. |
* Weight must be installed if front seat load is less than 154 lbs.
| Air Speeds | ||
|---|---|---|
| Maximum Speed calm air | Vne | 151 Kts |
| Maximum Speed rough air | Vne | 108 Kts |
| Maximum Speed to Deploy Spoilers | 151 Kts | |
| Maneuvering Speed | Va | 97 Kts |
| Maximum Aerotow Speed | Vt | 97 Kts |
| Minimum recommended approach speed | Vref | 49 Kts |
| Maximum crosswind component | 8 Kts | |
| Stall Speeds | Without Dive Brakes | With Dive Brakes |
| Solo | 35 Kts | 37 Kts |
| Dual/ | 40 Kts | 42 Kts |
Flying in rain raises stall speeds by 6 Kts. With wet wings increase take-off and approach speeds accordingly.
True airspeed is greater than indicated at altitude. Vne decreases according to the following table.
| Vne | |||||
|---|---|---|---|---|---|
| Altitude | 0-5,000′ | 10,000′ | 15,000′ | 20,000′ | |
| Vne | 151 Kts | 144 Kts | 132 Kts | 121 Kts | |
| Performance | ||
|---|---|---|
| Speeds to Fly | Solo | Dual |
| Minimum Sink | 41 Kts | 44 Kts |
| Best L/D ~33.5/1 | 51 Kts | 51 Kts |
Glider N21QU Documents
N21QU Checklists
2025 N21QU loading Graph
2025 N21QU Weight and Balance Spreadsheet
2025 N21QU Revised Weight and Balance Data
Glider Manuals
Schleicher N21QU USA ASK21 Flight & Maintenance Manual