| Tail Number / N-Number | N821AX |
| Manufacturer | YAMAHA |
| Model | RMAX TYPE II |
| Manufacturer's Serial Number | L27-3-100125 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Non Citizen Corporation |
| Owner Name | YAMAHA MOTOR CORP USA |
| Street | 6555 KATELLA AVE |
| City | CYPRESS |
| State | CA |
| Zip Code | 90630-5101 |
| Region | Western-Pacific |
| County | Orange County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2017-05-24 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 52632250 |
| Mode S Code Hex | AB34A8 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N821AX.
| Tail Number / N-Number | N821AX |
| Manufacturer | MCDONNELL DOUGLAS |
| Model | DC-8-63 |
| Year Built | 1970 |
| Manufacturer's Serial Number | 46116 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 152 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT3D SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 4 engines |
| Thrust per Engine | 17,700 pounds-force (78.7 kN) |
| Total Thrust | 70,800 pounds-force (314.9 kN) |
| Average Cruising Speed | 444 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ABX AIR INC |
| Street | 145 HUNTER DR |
| City | WILMINGTON |
| State | OH |
| Zip Code | 45177 |
| County | Orange County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1992-07-28 |
| Certificate Issue Date | 1992-01-18 |
| Last Action Date | 2004-08-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2004-09-23 |