| Tail Number / N-Number | N601Q |
| Manufacturer | FRANK A QUITTER |
| Model | ZENITH 601 XLB |
| Manufacturer's Serial Number | 003FQ |
| 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 | JABIRU |
| Engine Model | 3300A |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 120 hp (90 kW) |
| Type of Registrant | Individual |
| Owner Name | QUITTER FRANK A |
| Street | PO BOX 63 |
| City | SILVER GROVE |
| State | KY |
| Zip Code | 41085-0063 |
| Region | Central |
| County | Campbell County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2020-08-06 |
| Certificate Issue Date | 2020-03-20 |
| Last Action Date | 2022-10-20 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 51746124 |
| Mode S Code Hex | A7CC54 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N601Q.
| Tail Number / N-Number | N601Q |
| Manufacturer | ASHFORD JAMES R |
| Model | ZODIAC CH 601 HDS |
| Year Built | 1999 |
| Manufacturer's Serial Number | 63864 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Kit Manufacturer | ZENITH ACFT CO |
| Kit Model | ZODIAC 601 HDS |
| Type of Registrant | Individual |
| Owner Name | GRAY RAND L |
| Street | 1133 NE CREEKS EDGE DR |
| City | HILLSBORO |
| State | OR |
| Zip Code | 97124-1318 |
| County | Campbell County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-10-05 |
| Certificate Issue Date | 2003-09-29 |
| Last Action Date | 2009-09-15 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-10-29 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N601Q.
| Tail Number / N-Number | N601Q |
| Manufacturer | BEECH |
| Model | K35 |
| Manufacturer's Serial Number | D-5756 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | FULLGRABE HENRY A |
| Street | 4706 SHETLAND LN |
| City | HOUSTON |
| State | TX |
| Zip Code | 77027 |
| Region | Southwestern |
| County | Campbell County |
| Certificate Issue Date | 1965-10-27 |
| Last Status | Valid Registration |
| Cancellation Date | 1984-11-15 |