| Tail Number / N-Number | N21HB |
| Manufacturer | CESSNA |
| Model | 560 |
| Year Built | 2001 |
| Manufacturer's Serial Number | 560-0590 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PW535A |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 3,400 pounds-force (15.1 kN) |
| Total Thrust | 6,800 pounds-force (30.2 kN) |
| Type of Registrant | LLC |
| Owner Name | N44AF LLC |
| Street | 1201 N ORANGE ST STE 600 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19801-1171 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2014-09-02 |
| Certificate Issue Date | 2019-09-04 |
| Last Action Date | 2022-04-19 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 50333732 |
| Mode S Code Hex | A1B7DA |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21HB.
| Tail Number / N-Number | N21HB |
| Manufacturer | BLACKMAN-PITTS SPECIAL |
| Model | S-1C |
| Year Built | 1980 |
| Manufacturer's Serial Number | H.W.B.1 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | MARTIN JAMES D |
| Other Names |
|
| Street | 1825 N 7TH E |
| City | MOUNTAIN HOME |
| State | ID |
| Zip Code | 83647 |
| County | New Castle County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1981-07-13 |
| Certificate Issue Date | 1987-09-14 |
| Last Action Date | 1991-02-23 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-02-07 |