Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N53QB.
| Tail Number / N-Number | N53QB |
| Manufacturer | PORBECK JOHN M |
| Model | SLIPSTREAM GENESIS |
| Year Built | 2003 |
| Manufacturer's Serial Number | JMP-01 |
| 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 | COMPACT RA |
| Engine Model | MZ202 |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 60 hp (45 kW) |
| Kit Manufacturer | SLIPSTREAM INTERNATIONAL |
| Kit Model | GENESIS |
| Type of Registrant | Individual |
| Owner Name | SORBONNE ROBERT L |
| Street | 1619 COTSWOLD CIR |
| City | SANDY |
| State | UT |
| Zip Code | 84093-6255 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-02-07 |
| Certificate Issue Date | 2009-09-28 |
| Last Action Date | 2009-09-28 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-02-21 |
| Mode S Code | 51527564 |
| Mode S Code Hex | A6AF74 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N53QB.
| Tail Number / N-Number | N53QB |
| Manufacturer | PORBECK JOHN |
| Model | SLIPSTREAM SKYQUEST |
| Manufacturer's Serial Number | SQ03/0003 |
| 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) |
| Number of Engines | 1 engine |
| Kit Manufacturer | SLIPSTREAM INDUSTRIES |
| Kit Model | SKYQUEST |
| Type of Registrant | Individual |
| Owner Name | PORBECK JOHN |
| Street | PO BOX 1382 |
| City | JACKSONVILLE |
| State | TX |
| Zip Code | 75766-1382 |
| Country | US |
| Certificate Issue Date | 2005-01-24 |
| Last Action Date | 2005-09-29 |
| Last Status | Valid Registration |
| Cancellation Date | 2006-10-18 |
| Mode S Code | 51527564 |
| Mode S Code Hex | A6AF74 |