| Tail Number / N-Number | N4AT |
| Manufacturer | CESSNA |
| Model | 550 |
| Year Built | 1997 |
| Manufacturer's Serial Number | 550-0805 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | 530A |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 4,000 pounds-force (17.8 kN) |
| Total Thrust | 8,000 pounds-force (35.6 kN) |
| Type of Registrant | Individual |
| Owner Name | GIFFORD DAVID K |
| Street | 94 PARK AVE |
| City | NEWTON |
| State | MA |
| Zip Code | 02458-2629 |
| Region | New England |
| County | Middlesex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-03-26 |
| Certificate Issue Date | 2002-04-23 |
| Last Action Date | 2022-08-13 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 51124001 |
| Mode S Code Hex | A4A801 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4AT.
| Tail Number / N-Number | N4AT |
| Manufacturer | BEECH |
| Model | 200 |
| Manufacturer's Serial Number | BB-281 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-60A |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,050 hp (783 kW) |
| Total Horsepower | 2,100 hp (1,567 kW) |
| Average Cruising Speed | 156 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | AIR TRAILS LLC |
| Other Names |
|
| Street | 100 SKYPARK DR |
| City | MONTEREY |
| State | CA |
| Zip Code | 93940-5357 |
| County | Middlesex County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1985-09-18 |
| Certificate Issue Date | 2000-11-02 |
| Last Action Date | 2003-11-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2005-05-12 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4AT.
| Tail Number / N-Number | N4AT |
| Manufacturer | CESSNA |
| Model | A188B |
| Year Built | 1971 |
| Manufacturer's Serial Number | 18800837 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MARTIN CHARLES ET AL |
| Street | RR 1 |
| City | WESTBORO |
| State | MO |
| Zip Code | 64498 |
| Region | Central |
| County | Middlesex County |
| Certificate Issue Date | 1972-06-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1978-08-01 |