| Tail Number / N-Number | N15TM |
| Manufacturer | CESSNA |
| Model | 414 |
| Manufacturer's Serial Number | 414-0469 |
| 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-520 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 198 miles per hour |
| Type of Registrant | LLC |
| Owner Name | THERAPY AIR LLC |
| Street | PO BOX 2093 |
| City | MIDLAND |
| State | TX |
| Zip Code | 79701 |
| Region | Southwestern |
| County | Midland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1973-12-13 |
| Certificate Issue Date | 2021-02-16 |
| Last Action Date | 2022-06-06 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 50144613 |
| Mode S Code Hex | A0C98B |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N15TM.
| Tail Number / N-Number | N15TM |
| Manufacturer | MCMEANS |
| Model | ORIGINAL DESIGN TDM1 |
| Manufacturer's Serial Number | TDM1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 85 miles per hour |
| County | Midland County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-03-23 |