| Tail Number / N-Number | N503K |
| Manufacturer | KOHLER JOSEPH T |
| Model | KOLB FIRESTAR II |
| Year Built | 1996 |
| Manufacturer's Serial Number | F1177 |
| Aircraft Type | Fixed wing single engine |
| 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) |
| Engine Manufacturer | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | KOHLER JOSEPH T |
| Street | 473 WALPOLE VALLEY RD |
| City | ALSTEAD |
| State | NH |
| Zip Code | 03602-3319 |
| Region | New England |
| County | Cheshire County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1996-04-19 |
| Certificate Issue Date | 1996-04-10 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 51442766 |
| Mode S Code Hex | A645F6 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N503K.
| Tail Number / N-Number | N503K |
| Manufacturer | DAVIS |
| Model | V-3 |
| Year Built | 1929 |
| Manufacturer's Serial Number | 111 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | SWANSON MARTIN / NESLAND STANLEY |
| Street | ROUTE #1 |
| City | KENT |
| State | WA |
| Zip Code | 98030 |
| Region | Northwest Mountain |
| County | Cheshire County |
| Last Status | Valid Registration |
| Cancellation Date | 1937-01-18 |