| Tail Number / N-Number | N677CS |
| Manufacturer | BURKHART GROB FLUGZEUGBAU |
| Model | G102 ASTIR CS 77 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 1616 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | RHEUBECK JOSEPH W |
| Street | 260 HIGH ST |
| City | COVENTRY |
| State | CT |
| Zip Code | 06238-3334 |
| Region | New England |
| County | Tolland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-04-12 |
| Certificate Issue Date | 2019-05-10 |
| Last Action Date | 2021-12-17 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 52172774 |
| Mode S Code Hex | A8F5FC |