| Tail Number / N-Number | N921M |
| Manufacturer | SCHLEICHER |
| Model | ASW-20B |
| Year Built | 1983 |
| Manufacturer's Serial Number | 20622 |
| 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) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | JACKSON JAMES A |
| Street | 3218 MISSION GROVE DR |
| City | HOUSTON |
| State | TX |
| Zip Code | 77068-3807 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1983-05-13 |
| Certificate Issue Date | 2019-04-23 |
| Last Action Date | 2021-11-15 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 53141364 |
| Mode S Code Hex | ACC2F4 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N921M.
| Tail Number / N-Number | N921M |
| Manufacturer | VIKING FLYING BOAT CO |
| Model | KITTY HAWK B-4 |
| Manufacturer's Serial Number | 13 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 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 | VIKING FLYING BOAT CO |
| County | Harris County |
| Last Status | Valid Registration |