Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4290K.
| Tail Number / N-Number | N4290K |
| Manufacturer | RYAN |
| Model | NAVION A |
| Year Built | 1948 |
| Manufacturer's Serial Number | NAV-4-1290 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | KADING HAROLD E |
| Street | 20 NW 40TH ST |
| City | KANSAS CITY |
| State | MO |
| Zip Code | 64116 |
| Region | Central |
| Certificate Issue Date | 1972-05-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-04-23 |
| Mode S Code | 51217560 |
| Mode S Code Hex | A51F70 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4290K.
| Tail Number / N-Number | N4290K |
| Manufacturer | MD HELICOPTERS INC |
| Model | 500N |
| Manufacturer's Serial Number | LN109 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | MD HELICOPTERS INC |
| Street | 4555 E MCDOWELL RD |
| City | MESA |
| State | AZ |
| Zip Code | 85215-9734 |
| Country | US |
| Last Action Date | 2010-05-21 |
| Last Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Cancellation Date | 2011-01-05 |
| Exported To | NEW ZEALAND |
| Mode S Code | 51217560 |
| Mode S Code Hex | A51F70 |