| Tail Number / N-Number | N21843 |
| Manufacturer | MOONEY |
| Model | M20R |
| Year Built | 2000 |
| Manufacturer's Serial Number | 29-0220 |
| 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 | ROBERTSON JAMES D TRUTEE |
| Street | 1141 BRUCKNER CIR |
| City | MOUNTAIN VIEW |
| State | CA |
| Zip Code | 94040-4563 |
| Region | Western-Pacific |
| County | Santa Clara County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2000-03-02 |
| Certificate Issue Date | 2021-02-26 |
| Last Action Date | 2021-02-26 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 50355072 |
| Mode S Code Hex | A1DA3A |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21843.
| Tail Number / N-Number | N21843 |
| Manufacturer | PIPER |
| Model | J3C-65 |
| Year Built | 1938 |
| Manufacturer's Serial Number | 2626 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | STONEBRAKER RALPH H ETAL |
| Street | 1113TH SPECIAL AIR MISSIONS SQUAD POPE AFB |
| City | FORT BRAGG |
| State | NC |
| Zip Code | 28307 |
| Region | Eastern |
| County | Santa Clara County |
| Certificate Issue Date | 1952-06-09 |
| Last Status | Valid Registration |
| Cancellation Date | 1955-10-19 |