| Tail Number / N-Number | N4321R |
| Manufacturer | ROBINSON HELICOPTER CO |
| Model | R66 |
| Manufacturer's Serial Number | 0875 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C300/A1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | LLC |
| Owner Name | AERIAL SURVEY LLC |
| Street | 600 MANOTIC |
| City | LAKEVILLE |
| State | MI |
| Zip Code | 48367-3426 |
| Region | Great Lakes |
| County | Oakland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-06-26 |
| Certificate Issue Date | 2022-09-01 |
| Last Action Date | 2022-09-01 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51226427 |
| Mode S Code Hex | A52D17 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4321R.
| Tail Number / N-Number | N4321R |
| Manufacturer | CESSNA |
| Model | 172M |
| Manufacturer's Serial Number | 17263074 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | REGISTRATION PENDING |
| Street | 4575 CLOVERPORT RD |
| City | TOONE |
| State | TN |
| Zip Code | 38381-8061 |
| County | Oakland County |
| Country | US |
| Last Action Date | 1999-08-06 |
| Last Status | Registration pending |
| Cancellation Date | 2000-11-08 |
| Exported To | PANAMA |