| Tail Number / N-Number | N58EE |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Year Built | 2017 |
| Manufacturer's Serial Number | 0789 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C300/A1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | LLC |
| Owner Name | GBSJ LLC |
| Street | PO BOX 270046 |
| City | WEST HARTFORD |
| State | CT |
| Zip Code | 06127-0046 |
| Region | New England |
| County | Hartford County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2017-05-04 |
| Certificate Issue Date | 2017-05-16 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51671770 |
| Mode S Code Hex | A773F8 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N58EE.
| Tail Number / N-Number | N58EE |
| Manufacturer | HITCHCOCK JERRY N |
| Model | JH-1 |
| Manufacturer's Serial Number | 4887 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | HITCHCOCK JERRY N |
| Street | 1 IRENE DRIVE |
| City | NOVATO |
| State | CA |
| Zip Code | 94947 |
| County | Hartford County |
| Country | US |
| Certificate Issue Date | 1987-05-05 |
| Last Action Date | 1991-01-31 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1991-03-26 |