| Tail Number / N-Number | N521AC |
| Type of Reservation | Fee paid |
| Reserving Party Name | ALTICOR INC |
| Street | 5410 44TH ST SE |
| City | GRAND RAPIDS |
| State | MI |
| Zip Code | 49512-4093 |
| Date Reserved | 2019-12-23 |
| Expiration Date | 2023-10-23 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N521AC.
| Tail Number / N-Number | N521AC |
| Manufacturer | SIKORSKY |
| Model | S-76A |
| Manufacturer's Serial Number | 760159 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 14 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | AMWAY CORP |
| Street | 7575 EAST FULTON RD |
| City | ADA |
| State | MI |
| Zip Code | 49355 |
| Region | Great Lakes |
| Certificate Issue Date | 1982-02-01 |
| Last Status | Valid Registration |
| Cancellation Date | 1983-12-14 |