| Tail Number / N-Number | N21887 |
| Manufacturer | CESSNA |
| Model | 172M |
| Year Built | 1974 |
| Manufacturer's Serial Number | 17264039 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GILHEANY ROBERT V |
| Street | 26 MCKINLEY AVE |
| City | HICKSVILLE |
| State | NY |
| Zip Code | 11801-3124 |
| Region | Eastern |
| County | Nassau County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-10-01 |
| Certificate Issue Date | 2014-08-28 |
| Last Action Date | 2020-08-27 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50355312 |
| Mode S Code Hex | A1DACA |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21887.
| Tail Number / N-Number | N21887 |
| Manufacturer | PIPER |
| Model | J3F-65 |
| Year Built | 1938 |
| Manufacturer's Serial Number | 2664 |
| 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 | Individual |
| Owner Name | CHAPMAN LEONARD D |
| Street | 707 1/2 E 6TH STREET |
| City | ANACONDA |
| State | MT |
| Zip Code | 59711 |
| Region | Northwest Mountain |
| County | Nassau County |
| Certificate Issue Date | 1945-12-29 |
| Last Status | Valid Registration |
| Cancellation Date | 1950-05-10 |