| Tail Number / N-Number | N400MS |
| Manufacturer | LEARJET INC |
| Model | 24D |
| Year Built | 1972 |
| Manufacturer's Serial Number | 246 |
| 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 | GE |
| Engine Model | CJ610-6 |
| Engine Type | Turbo-jet |
| Number of Engines | 2 engines |
| Thrust per Engine | 2,950 pounds-force (13.1 kN) |
| Total Thrust | 5,900 pounds-force (26.2 kN) |
| Average Cruising Speed | 363 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BUTLER NATIONAL INC |
| Street | 19920 W 161ST ST |
| City | OLATHE |
| State | KS |
| Zip Code | 66062-2700 |
| Region | Central |
| County | Johnson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-01-16 |
| Certificate Issue Date | 2005-05-26 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51126705 |
| Mode S Code Hex | A4ADC5 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N400MS.
| Tail Number / N-Number | N400MS |
| Manufacturer | OTIS ROBERT R |
| Model | WINDROSE |
| Manufacturer's Serial Number | 20 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | OTIS ROBERT R |
| Street | 4230 FOX MEADOW DR SE |
| City | CEDAR RAPIDS |
| State | IA |
| Zip Code | 52403-2115 |
| County | Johnson County |
| Country | US |
| Certificate Issue Date | 1990-09-10 |
| Last Action Date | 2000-10-17 |
| Last Status | Valid Registration |
| Cancellation Date | 2000-10-23 |