| Tail Number / N-Number | N400DQ |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-400A |
| Manufacturer's Serial Number | 301-0343 |
| 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) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-15AG |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 680 hp (507 kW) |
| Type of Registrant | LLC |
| Owner Name | OREGON TRAIL AIR SERVICE LLC |
| Street | 943 GRAND AVE |
| City | NYSSA |
| State | OR |
| Zip Code | 97913-5313 |
| Region | Northwest Mountain |
| County | Malheur County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2009-07-14 |
| Certificate Issue Date | 2022-01-28 |
| Last Action Date | 2022-01-28 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51126373 |
| Mode S Code Hex | A4ACFB |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N400DQ.
| Tail Number / N-Number | N400DQ |
| Manufacturer | GATES LEARJET CORP. |
| Model | 35A |
| Year Built | 1984 |
| Manufacturer's Serial Number | 552 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | GARRETT |
| Engine Model | TFE731 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 3,500 pounds-force (15.6 kN) |
| Total Thrust | 7,000 pounds-force (31.1 kN) |
| Average Cruising Speed | 400 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | NONE |
| City | WRIGHT/PAT AFB |
| State | OH |
| Zip Code | 45433 |
| County | Malheur County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-11-09 |
| Last Action Date | 1986-11-20 |
| Last Status | Sale reported |
| Cancellation Date | 2005-07-13 |