| Tail Number / N-Number | N899SA |
| Manufacturer | ALEXANDER SCHLEICHER GMBH & CO |
| Model | ASK 21 |
| Year Built | 2017 |
| Manufacturer's Serial Number | 21946 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not 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 |
| Type of Registrant | Corporation |
| Owner Name | MID ATLANTIC SOARING ASSOCIATION (M-ASA) |
| Street | 5257 BUCKEYSTOWN PIKE #181 |
| City | FREDERICK |
| State | MD |
| Zip Code | 21704 |
| Region | Eastern |
| County | Frederick County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2017-11-25 |
| Certificate Issue Date | 2017-11-09 |
| Last Action Date | 2020-08-20 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 53064124 |
| Mode S Code Hex | AC6854 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N899SA.
| Tail Number / N-Number | N899SA |
| Manufacturer | CUBCRAFTERS INC |
| Model | CC11-160 |
| Manufacturer's Serial Number | CC11-00167 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | CUB CRAFTERS INC |
| Street | 1918 S 16TH AVE |
| City | YAKIMA |
| State | WA |
| Zip Code | 98903-1212 |
| County | Frederick County |
| Country | US |
| Last Action Date | 2011-05-06 |
| Last Status | Valid Registration |
| Cancellation Date | 2011-06-03 |
| Exported To | AUSTRALIA |