| Tail Number / N-Number | N45Q |
| Manufacturer | SHIPLEY SAMUEL P |
| Model | RV-4 |
| Manufacturer's Serial Number | 3717 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | SHIPLEY SAMUEL P |
| Street | 20 OAKWAY RD |
| City | TIMONIUM |
| State | MD |
| Zip Code | 21093-4236 |
| Region | Eastern |
| County | Baltimore County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 1996-05-24 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-04-30 |
| Status | Valid Registration |
| Mode S Code | 51270441 |
| Mode S Code Hex | A57121 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N45Q.
| Tail Number / N-Number | N45Q |
| Manufacturer | GULFSTREAM AM CORP COMM DIV |
| Model | 690C |
| Manufacturer's Serial Number | 11623 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | BOWHEAD EQUIPMENT COMPANY |
| Street | PO BOX 3757 |
| City | SEATTLE |
| State | WA |
| Zip Code | 98124 |
| County | Baltimore County |
| Country | US |
| Certificate Issue Date | 1988-07-23 |
| Last Action Date | 1991-06-21 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1994-04-26 |