| Tail Number / N-Number | N9478R |
| Manufacturer | DJI |
| Model | AIR 2S |
| Manufacturer's Serial Number | 3YTBJCR00302LW |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 4 engines |
| Type of Registrant | Corporation |
| Owner Name | GRINNELL MUTUAL REINSURANCE CO |
| Street | PO BOX 790 |
| City | GRINNELL |
| State | IA |
| Zip Code | 50112-0790 |
| Region | Central |
| County | Poweshiek County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-10-04 |
| Last Action Date | 2022-10-04 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 53225251 |
| Mode S Code Hex | AD2AA9 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N9478R.
| Tail Number / N-Number | N9478R |
| Manufacturer | SNOW |
| Model | S2C |
| Year Built | 1962 |
| Manufacturer's Serial Number | 1117C |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R1340 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | STRIBLING SPRAYING SVC INC |
| Street | 1500 WEST PARK |
| City | HEREFORD |
| State | TX |
| Zip Code | 79045 |
| County | Poweshiek County |
| Country | US |
| Airworthiness Classification | Restricted |
| Certificate Issue Date | 1962-02-28 |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2017-02-13 |