| Tail Number / N-Number | N66GK |
| Manufacturer | KAAT GREGG A |
| Model | SONEX B |
| Manufacturer's Serial Number | SNB0014 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | SONEX B |
| Type of Registrant | Individual |
| Owner Name | KAAT GREGG A |
| Street | 8668 GATEWOOD RD |
| City | HOWARD CITY |
| State | MI |
| Zip Code | 49329-9109 |
| Region | Great Lakes |
| County | Montcalm County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-04-12 |
| Last Action Date | 2021-04-12 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 52131200 |
| Mode S Code Hex | A8B280 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N66GK.
| Tail Number / N-Number | N66GK |
| Manufacturer | CESSNA |
| Model | 150D |
| Year Built | 1964 |
| Manufacturer's Serial Number | 15060683 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | 0-200 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | 1420 NANALOKO PL |
| City | KAILUA |
| State | HI |
| Zip Code | 96734 |
| County | Montcalm County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-06-17 |
| Last Action Date | 1993-01-08 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2012-06-12 |