| Tail Number / N-Number | N21HK |
| Manufacturer | GRUMMAN AMERICAN AVN. CORP. |
| Model | AA-5A |
| Year Built | 1976 |
| Manufacturer's Serial Number | AA5A-0257 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O-320-E2G |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Non Citizen Corporation |
| Owner Name | AEROVOL CORP |
| Street | 3511 SILVERSIDE RD STE 105 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19810-4902 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2022-04-12 |
| Certificate Issue Date | 2022-03-03 |
| Last Action Date | 2022-03-03 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 50333742 |
| Mode S Code Hex | A1B7E2 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21HK.
| Tail Number / N-Number | N21HK |
| Manufacturer | BELL |
| Model | 206L-3 |
| Manufacturer's Serial Number | 51489 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | XXX |
| City | XXX |
| State | OK |
| Zip Code | 73125 |
| County | New Castle County |
| Country | US |
| Last Action Date | 1995-07-14 |
| Last Status | Sale reported |
| Cancellation Date | 1995-08-08 |
| Exported To | SOUTH AFRICA |