| Tail Number / N-Number | N99323 |
| Manufacturer | PIPER |
| Model | L-21B |
| Manufacturer's Serial Number | 54-2376 |
| 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 | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Type of Registrant | Individual |
| Owner Name | FROST CHAD R |
| Street | 1700 SUGAR CREEK TRL |
| City | GREENFIELD |
| State | IN |
| Zip Code | 46140 |
| Region | Great Lakes |
| County | Hancock County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-11-20 |
| Certificate Issue Date | 1992-01-24 |
| Last Action Date | 2022-03-12 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 53360202 |
| Mode S Code Hex | ADE082 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N99323.
| Tail Number / N-Number | N99323 |
| Manufacturer | ENGINEERING & RESEARCH |
| Model | 415-C |
| Manufacturer's Serial Number | 1946 |
| 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 | 90 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | ROSSNEY FRANK |
| Street | 747 GENESEE PARK BLVD |
| City | ROCHESTER |
| State | NY |
| Zip Code | 10001 |
| Region | Eastern |
| County | Hancock County |
| Certificate Issue Date | 1954-07-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1960-12-08 |
| Exported To | CANADA |