| Tail Number / N-Number | N312J |
| Manufacturer | DIAMOND AIRCRAFT IND INC |
| Model | DA 40 NG |
| Year Built | 2022 |
| Manufacturer's Serial Number | 40.NC170 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AUSTRO |
| Engine Model | E4-A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 168 hp (125 kW) |
| Type of Registrant | LLC |
| Owner Name | JDNPAERO LLC |
| Street | 792 SHENNECOSSETT RD |
| City | GROTON |
| State | CT |
| Zip Code | 06340-6043 |
| Region | New England |
| County | New London County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2022-02-18 |
| Certificate Issue Date | 2023-01-23 |
| Last Action Date | 2023-01-23 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50647407 |
| Mode S Code Hex | A34F07 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N312J.
| Tail Number / N-Number | N312J |
| Manufacturer | CESSNA |
| Model | 310I |
| Year Built | 1964 |
| Manufacturer's Serial Number | 310I0129 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 260 hp (194 kW) |
| Total Horsepower | 520 hp (388 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | METROLINE AVIATION LLC |
| Street | ATTN: IRINA MAC 2670 INDUSTRIAL ROW DR |
| City | TROY |
| State | MI |
| Zip Code | 48084 |
| County | New London County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-05-22 |
| Last Action Date | 2006-04-26 |
| Last Status | Expired Dealer |
| Cancellation Date | 2011-01-07 |