Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N311EM.
| Tail Number / N-Number | N311EM |
| Manufacturer | CISNEROS MARC A |
| Model | KOLB MK III XTRA |
| Year Built | 2008 |
| Manufacturer's Serial Number | 00081 |
| 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 | ROTAX |
| Engine Model | 912S |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Kit Manufacturer | NEW KOLB AIRCRAFT CO LLC |
| Kit Model | MARK III XTRA |
| Type of Registrant | Individual |
| Owner Name | CISNEROS MARC A |
| Street | 6302 SAINT ANDREWS DR |
| City | CORPUS CHRISTI |
| State | TX |
| Zip Code | 78413-2821 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-05-13 |
| Certificate Issue Date | 2007-06-21 |
| Last Action Date | 2011-07-08 |
| Last Status | Valid Registration |
| Cancellation Date | 2014-01-08 |
| Mode S Code | 50645370 |
| Mode S Code Hex | A34AF8 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N311EM.
| Tail Number / N-Number | N311EM |
| Manufacturer | MERRILL ED H III |
| Model | BUCCANEER II |
| Manufacturer's Serial Number | B2A031532 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| 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 | LEPOW DAVID A |
| Street | 3318 AMBER WOOD WAY |
| City | WINTER PARK |
| State | FL |
| Zip Code | 32790 |
| Country | US |
| Certificate Issue Date | 1991-10-15 |
| Last Action Date | 1997-11-19 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1998-05-13 |
| Mode S Code | 50645370 |
| Mode S Code Hex | A34AF8 |