Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N21016.
| Tail Number / N-Number | N21016 |
| Manufacturer | DOYLE ROBERT R |
| Model | CHALLENGER II |
| Year Built | 1989 |
| Manufacturer's Serial Number | 2224 |
| 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 | BOCK RICHARD J |
| Street | 18040 IMPERIAL LN |
| City | ORLAND PARK |
| State | IL |
| Zip Code | 60467-5295 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1990-06-05 |
| Certificate Issue Date | 1993-08-09 |
| Last Action Date | 2012-02-14 |
| Last Status | Registration Expired - Pending Cancellation |
| Cancellation Date | 2018-01-02 |
| Mode S Code | 50336034 |
| Mode S Code Hex | A1BC1C |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N21016.
| Tail Number / N-Number | N21016 |
| Manufacturer | CESSNA |
| Model | 182P |
| Manufacturer's Serial Number | 18261360 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 120 miles per hour |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Mode S Code | 50336034 |
| Mode S Code Hex | A1BC1C |