| Tail Number / N-Number | N20AA |
| Manufacturer | CESSNA |
| Model | 172I |
| Year Built | 1968 |
| Manufacturer's Serial Number | 17256596 |
| 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 | 105 miles per hour |
| Type of Registrant | LLC |
| Owner Name | GRAND RIVER AVIATION LLC |
| Street | PO BOX 1015 |
| City | KREMMLING |
| State | CO |
| Zip Code | 80459-1015 |
| Region | Northwest Mountain |
| County | Grand County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1968-03-01 |
| Certificate Issue Date | 2022-09-07 |
| Last Action Date | 2022-09-07 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 50307653 |
| Mode S Code Hex | A18FAB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N20AA.
| Tail Number / N-Number | N20AA |
| Manufacturer | DOUGLAS |
| Model | C54B-DC |
| Manufacturer's Serial Number | 10457 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 60 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 173 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ASTRO-MARINE INC |
| Street | 518 FIRST CITY NATIONAL BANK BUIL |
| City | HOUSTON |
| State | TX |
| Zip Code | 77002 |
| Region | Southwestern |
| County | Grand County |
| Certificate Issue Date | 1970-03-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1971-10-13 |
| Exported To | CENTRL AFRICAN REP |