Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N399L.
| Tail Number / N-Number | N399L |
| Manufacturer | BELAN WILLIAM |
| Model | KOLB MARK III |
| Year Built | 1995 |
| Manufacturer's Serial Number | M3068 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | HARDY H DOUGLAS |
| Street | N8704 CTH E |
| City | WATERTOWN |
| State | WI |
| Zip Code | 53094 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1996-12-19 |
| Certificate Issue Date | 2002-03-05 |
| Last Action Date | 2011-02-15 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2017-09-26 |
| Mode S Code | 51122462 |
| Mode S Code Hex | A4A532 |