| Tail Number / N-Number | N9121H |
| Manufacturer | CESSNA |
| Model | 172M |
| Year Built | 1975 |
| Manufacturer's Serial Number | 17265955 |
| 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 | TWENTY-ONE FLYERS INC |
| Street | 35 BEECHWOOD AVE |
| City | MILFORD |
| State | CT |
| Zip Code | 06460-5622 |
| Region | New England |
| County | New Haven County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-09-30 |
| Certificate Issue Date | 1986-04-15 |
| Last Action Date | 2022-10-23 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 53120234 |
| Mode S Code Hex | ACA09C |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N9121H.
| Tail Number / N-Number | N9121H |
| Manufacturer | STINSON |
| Model | VULTEE V-77 |
| Manufacturer's Serial Number | 77-15 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 116 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TURNER R C |
| Street | STARLING AVE |
| City | MARTINSVILLE |
| State | VA |
| Zip Code | 24112 |
| Region | Eastern |
| County | New Haven County |
| Certificate Issue Date | 1947-01-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-04-29 |