| Tail Number / N-Number | N3981H |
| Manufacturer | BURKHART GROB FLUGZEUGBAU |
| Model | G103 TWIN ASTIR |
| Year Built | 1983 |
| Manufacturer's Serial Number | 3812 |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | ST LOUIS SOARING ASSOCIATION INC |
| Street | 9512 DAVID SCOTT DR |
| City | SAINT LOUIS |
| State | MO |
| Zip Code | 63126-2504 |
| Region | Central |
| County | St. Louis city |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-07-25 |
| Certificate Issue Date | 2006-02-21 |
| Last Action Date | 2022-02-16 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51121404 |
| Mode S Code Hex | A4A304 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3981H.
| Tail Number / N-Number | N3981H |
| Manufacturer | ERCOUPE |
| Model | 415-D |
| Manufacturer's Serial Number | 4682 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | H H & B DRILLING CO INC |
| Street | 221 S BROADWAY ST STE 705 |
| City | WICHITA |
| State | KS |
| Zip Code | 67202 |
| Region | Central |
| County | St. Louis city |
| Certificate Issue Date | 1947-08-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-07-28 |