| Tail Number / N-Number | N300SQ |
| Manufacturer | CESSNA |
| Model | 414A |
| Year Built | 1979 |
| Manufacturer's Serial Number | 414A0416 |
| 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 | CONT MOTOR |
| Engine Model | TSIO-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 198 miles per hour |
| Type of Registrant | LLC |
| Owner Name | BARON I LLC |
| Street | 2470 KEATS DR |
| City | BROOKFIELD |
| State | WI |
| Zip Code | 53045-4014 |
| Region | Great Lakes |
| County | Waukesha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1979-10-27 |
| Certificate Issue Date | 2004-03-18 |
| Last Action Date | 2022-05-13 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50620361 |
| Mode S Code Hex | A320F1 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N300SQ.
| Tail Number / N-Number | N300SQ |
| Manufacturer | BEECH |
| Model | A36 |
| Manufacturer's Serial Number | E1624 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 138 miles per hour |
| County | Waukesha County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1989-09-13 |