| Tail Number / N-Number | N128AP |
| Manufacturer | APOLLO AIRCRAFT INC |
| Model | MONSOON |
| Year Built | 2008 |
| Manufacturer's Serial Number | 00005 |
| Aircraft Type | Weight-shift-control |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 912UL SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 80 hp (60 kW) |
| Type of Registrant | Individual |
| Owner Name | WELCH ROBERT M |
| Street | 7136 PIEDRA DR SW |
| City | OLYMPIA |
| State | WA |
| Zip Code | 98512-9501 |
| Region | Northwest Mountain |
| County | Thurston County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2022-12-09 |
| Certificate Issue Date | 2019-08-26 |
| Last Action Date | 2022-04-18 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 50070570 |
| Mode S Code Hex | A07178 |