| Tail Number / N-Number | N20843 |
| Manufacturer | CESSNA |
| Model | 172M |
| Year Built | 1974 |
| Manufacturer's Serial Number | 17263853 |
| 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 | Corporation |
| Owner Name | ST LOUIS FLYING CLUB INC |
| Street | 745 REDSTART DR |
| City | ELLISVILLE |
| State | MO |
| Zip Code | 63021-4778 |
| Region | Central |
| County | St. Louis County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1974-09-04 |
| Certificate Issue Date | 1980-06-03 |
| Last Action Date | 2021-08-06 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 50331273 |
| Mode S Code Hex | A1B2BB |