| Tail Number / N-Number | N68157 |
| Manufacturer | GRUMMAN |
| Model | G-21A |
| Year Built | 1947 |
| Manufacturer's Serial Number | 1138 |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 450 hp (336 kW) |
| Total Horsepower | 900 hp (671 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | BOWE WALTER C TRUSTEE |
| Other Names |
|
| Street | 19500 7TH ST E |
| City | SONOMA |
| State | CA |
| Zip Code | 95476-7201 |
| Region | Western-Pacific |
| County | Sonoma County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1962-10-15 |
| Certificate Issue Date | 2020-09-02 |
| Last Action Date | 2020-09-02 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 52205025 |
| Mode S Code Hex | A90A15 |