| Tail Number / N-Number | N177AG |
| Manufacturer | HERRINGTON WILLIAM N |
| Model | GS-1 GLASTAR |
| Year Built | 2008 |
| Manufacturer's Serial Number | 5885 |
| Aircraft Type | Fixed wing single engine |
| 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 | LYCOMING |
| Engine Model | O-320-B1A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 160 hp (119 kW) |
| Kit Manufacturer | GLASAIR AVIATION LLC |
| Kit Model | GS-1 GLASTAR |
| Type of Registrant | Individual |
| Owner Name | HERRINGTON WILLIAM N |
| Street | 85606 RENCKEN RD |
| City | MILTON FREEWATER |
| State | OR |
| Zip Code | 97862-6837 |
| Region | Northwest Mountain |
| County | Umatilla County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-03-15 |
| Certificate Issue Date | 2007-04-19 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-03-31 |
| Status | Valid Registration |
| Mode S Code | 50231465 |
| Mode S Code Hex | A13335 |