| Tail Number / N-Number | N21MS |
| Manufacturer | MOONEY |
| Model | M20R |
| Year Built | 1999 |
| Manufacturer's Serial Number | 29-0197 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-550 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Individual |
| Owner Name | ONEAL JIM A |
| Street | 14306 LOFTY MOUNTAIN TRL |
| City | HOUSTON |
| State | TX |
| Zip Code | 77062-2344 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-10-04 |
| Certificate Issue Date | 2006-06-12 |
| Last Action Date | 2020-05-29 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50334115 |
| Mode S Code Hex | A1B84D |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21MS.
| Tail Number / N-Number | N21MS |
| Manufacturer | PIPER |
| Model | PA-24-250 |
| Manufacturer's Serial Number | 241647 |
| 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 | 135 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | SNYDER ANN K |
| Other Names |
|
| Street | PO BOX 608 |
| City | PEPEEKEO |
| State | HI |
| Zip Code | 96783 |
| County | Harris County |
| Country | US |
| Certificate Issue Date | 1977-09-19 |
| Last Action Date | 1993-03-11 |
| Last Status | Valid Registration |
| Cancellation Date | 1994-01-11 |
| Exported To | AUSTRALIA |