Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6991Y.
| Tail Number / N-Number | N6991Y |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Manufacturer's Serial Number | 27-4362 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | QUIET HOUR INCORPORATED |
| Street | BOX 792 |
| City | REDLANDS |
| State | CA |
| Zip Code | 92373 |
| Region | Western-Pacific |
| Certificate Issue Date | 1970-03-16 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-05-19 |
| Exported To | AUSTRALIA |
| Mode S Code | 52247267 |
| Mode S Code Hex | A94EB7 |