| Tail Number / N-Number | N1973C |
| Manufacturer | LET |
| Model | BLANIK L-13 |
| Year Built | 1973 |
| Manufacturer's Serial Number | 025725 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | RED WING SOARING ASSOCIATION |
| Street | PO BOX 891 |
| City | OSCEOLA |
| State | WI |
| Zip Code | 54020-0891 |
| Region | Great Lakes |
| County | Polk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-11-02 |
| Certificate Issue Date | 2006-09-28 |
| Last Action Date | 2021-03-13 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50302360 |
| Mode S Code Hex | A184F0 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1973C.
| Tail Number / N-Number | N1973C |
| Manufacturer | PETILETKY STROJIRNY PRVNI NP |
| Model | L-13 BLANIK |
| Manufacturer's Serial Number | 025725 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| County | Polk County |
| Last Action Date | 2006-09-18 |
| Last Status | N-Number assigned as import – but has not yet been registered |
| Cancellation Date | 2006-09-18 |