Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N990SB.
| Tail Number / N-Number | N990SB |
| Manufacturer | BUTLER WILLIAM S |
| Model | MAX 103 |
| Year Built | 2005 |
| Manufacturer's Serial Number | PLANS - 2529P |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | 3221 LEONARD RD |
| City | KNIGHTDALE |
| State | NC |
| Zip Code | 27545-9746 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-12-17 |
| Last Action Date | 2008-09-02 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2013-08-13 |
| Mode S Code | 53352065 |
| Mode S Code Hex | ADD435 |