| Tail Number / N-Number | N121WA |
| Manufacturer | PIPER |
| Model | PA-34-200T |
| Year Built | 1979 |
| Manufacturer's Serial Number | 34-7970435 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 225 hp (168 kW) |
| Total Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | LLC |
| Owner Name | WEATHER MODIFICATION LLC |
| Street | 3802 20TH ST N |
| City | FARGO |
| State | ND |
| Zip Code | 58102-0908 |
| Region | Great Lakes |
| County | Cass County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2004-05-28 |
| Certificate Issue Date | 2016-10-24 |
| Last Action Date | 2022-05-24 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50054536 |
| Mode S Code Hex | A0595E |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N121WA.
| Tail Number / N-Number | N121WA |
| Manufacturer | HILLER |
| Model | UH-12C |
| Year Built | 1956 |
| Manufacturer's Serial Number | 792 |
| Aircraft Type | Rotorcraft |
| 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 | 63 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BEAN MORRIS L |
| Street | 1780 MISSOURI |
| City | PHOENIX |
| State | AZ |
| Zip Code | 85015 |
| Region | Western-Pacific |
| County | Cass County |
| Certificate Issue Date | 1976-05-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1976-06-14 |
| Exported To | COSTA RICA |