| Tail Number / N-Number | N511CS |
| Manufacturer | SCHWEIZER |
| Model | SGS 1-26E |
| Year Built | 1971 |
| Manufacturer's Serial Number | 511 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| 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 | 57 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | LARSON MARTIN B |
| Other Names |
|
| Street | 2310 ARROYO CT |
| City | RAPID CITY |
| State | SD |
| Zip Code | 57702-5112 |
| Region | Great Lakes |
| County | Pennington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1971-07-09 |
| Certificate Issue Date | 2015-11-02 |
| Last Action Date | 2021-11-26 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 51462551 |
| Mode S Code Hex | A66569 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N511CS.
| Tail Number / N-Number | N511CS |
| Manufacturer | PDPS PZL-BIELSKO |
| Model | SZD-51-1 JUNIOR |
| Manufacturer's Serial Number | B-2143 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | CYPRESS SOARING INC |
| Street | 15161 STARBOARD ST |
| City | GARDEN GROVE |
| State | CA |
| Zip Code | 92643-5211 |
| County | Pennington County |
| Country | US |
| Certificate Issue Date | 1995-12-15 |
| Last Action Date | 1998-12-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1999-02-19 |