Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N497NT.
| Tail Number / N-Number | N497NT |
| Manufacturer | JET PROPULSION LABORATORY |
| Model | 497 VIGILANTE |
| Year Built | 1997 |
| Manufacturer's Serial Number | 00028 |
| Aircraft Type | Rotorcraft |
| 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 | HIRTH |
| Engine Model | F30 |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 80 hp (60 kW) |
| Type of Registrant | Corporation |
| Owner Name | NCCOSC RTD&E DIV D853 |
| Street | 53490 DOW ST RM 124 |
| City | SAN DIEGO |
| State | CA |
| Zip Code | 92152-5742 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1997-07-23 |
| Certificate Issue Date | 1998-04-14 |
| Last Action Date | 2010-04-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2017-03-21 |
| Mode S Code | 51425527 |
| Mode S Code Hex | A62B57 |