| Tail Number / N-Number | N821K |
| Manufacturer | GREAT LAKES |
| Model | 2T-1A |
| Year Built | 1931 |
| Manufacturer's Serial Number | 82 |
| Aircraft Type | Fixed wing single engine |
| 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 | A.C.E. |
| Engine Model | UPRI MARK III |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | LLC |
| Owner Name | SDL ENTERPRISES LLC |
| Street | PO BOX 771 |
| City | AKRON |
| State | IA |
| Zip Code | 51001-0771 |
| Region | Central |
| County | Plymouth County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2019-08-05 |
| Last Action Date | 2022-04-17 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52632563 |
| Mode S Code Hex | AB3573 |