| Tail Number / N-Number | N428RJ |
| Manufacturer | PIPER |
| Model | PA-34-200T |
| Manufacturer's Serial Number | 347570250 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | LLC |
| Owner Name | CERTAINTY AIR LLC |
| Street | 14900 NW 44TH AVE UNIT 9 |
| City | OPA LOCKA |
| State | FL |
| Zip Code | 33054-2368 |
| Region | Southern |
| County | Dade County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2023-02-10 |
| Last Action Date | 2023-02-10 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51215327 |
| Mode S Code Hex | A51AD7 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N428RJ.
| Tail Number / N-Number | N428RJ |
| Manufacturer | CESSNA |
| Model | 500 |
| Manufacturer's Serial Number | 500-0082 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| 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 CANADA |
| Engine Model | JT15D-1 |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 2,200 pounds-force (9.8 kN) |
| Total Thrust | 4,400 pounds-force (19.6 kN) |
| Average Cruising Speed | 301 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MARATHON AIRCRAFT INC |
| Street | 1807 SHADOW LN |
| City | LITTLE ROCK |
| State | AR |
| Zip Code | 72207-2015 |
| County | Dade County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-08-18 |
| Certificate Issue Date | 2004-06-29 |
| Last Action Date | 2004-06-29 |
| Last Status | Valid Registration |
| Cancellation Date | 2006-06-19 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N428RJ.
| Tail Number / N-Number | N428RJ |
| Manufacturer | STANDARD |
| Model | J-1 |
| Manufacturer's Serial Number | 4809 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 67 miles per hour |
| County | Dade County |
| Last Action Date | 2010-10-04 |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 2010-10-05 |