| Tail Number / N-Number | N453HC |
| Manufacturer | MARSHALL DANIEL R |
| Model | L-21 |
| Year Built | 2005 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | O-360 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Kit Manufacturer | SMITH AVIATION |
| Kit Model | L21 |
| Type of Registrant | Individual |
| Owner Name | KOEHLER THOMAS H |
| Street | 21436 INDIAN SPRINGS RD |
| City | CONIFER |
| State | CO |
| Zip Code | 80433-4625 |
| Region | Northwest Mountain |
| County | Jefferson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2013-02-28 |
| Certificate Issue Date | 2014-09-29 |
| Last Action Date | 2020-04-13 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 51276763 |
| Mode S Code Hex | A57DF3 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N453HC.
| Tail Number / N-Number | N453HC |
| Manufacturer | PIPER |
| Model | PA-18S-125 |
| Manufacturer's Serial Number | 18-764 |
| 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 | 97 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | MILLER KENNETH H |
| Other Names |
|
| Street | P.O. BOX 87 |
| City | SAVOONGA |
| State | AK |
| Zip Code | 99769 |
| County | Jefferson County |
| Country | US |
| Certificate Issue Date | 1972-03-10 |
| Last Action Date | 1977-05-29 |
| Last Status | Administratively canceled |
| Cancellation Date | 1977-11-30 |