| Tail Number / N-Number | N684CA |
| Manufacturer | PIPER |
| Model | PA-46-600TP |
| Year Built | 2018 |
| Manufacturer's Serial Number | 4698084 |
| Aircraft Type | Fixed wing single 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 | P&W CANADA |
| Engine Model | PT6A-42A |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 850 hp (634 kW) |
| Type of Registrant | LLC |
| Owner Name | SEA DUCK LLC |
| Street | PO BOX 987 |
| City | CAMDEN |
| State | ME |
| Zip Code | 04843-0987 |
| Region | New England |
| County | Knox County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2018-09-06 |
| Certificate Issue Date | 2019-03-26 |
| Last Action Date | 2021-11-07 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 52211106 |
| Mode S Code Hex | A91246 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N684CA.
| Tail Number / N-Number | N684CA |
| Manufacturer | BOEING |
| Model | 727-2S7 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 22491 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 134 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT8D-17 SER |
| Engine Type | Turbo-jet |
| Number of Engines | 3 engines |
| Thrust per Engine | 16,000 pounds-force (71.2 kN) |
| Total Thrust | 48,000 pounds-force (213.5 kN) |
| Type of Registrant | Corporation |
| Owner Name | NORTHWEST AIRLINES INC |
| Street | C7-8960/5101 NORTHWEST DRIVE |
| City | ST PAUL |
| State | MN |
| Zip Code | 55111 |
| County | Knox County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-03-17 |
| Certificate Issue Date | 1981-04-10 |
| Last Action Date | 2002-12-17 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2005-07-25 |