| Tail Number / N-Number | N1240S |
| Manufacturer | COOK GRANT A |
| Model | ONEX |
| Manufacturer's Serial Number | 0NX0124 |
| Aircraft Type | Fixed wing single engine |
| 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 | 1 engine |
| Kit Manufacturer | SONEX AIRCRAFT LLC |
| Kit Model | ONEX |
| Type of Registrant | Co-Ownership |
| Owner Name | COOK GRANT A |
| Other Names |
|
| Street | 651 E JOY RD |
| City | ANN ARBOR |
| State | MI |
| Zip Code | 48105-9606 |
| Region | Great Lakes |
| County | Washtenaw County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2017-12-05 |
| Last Action Date | 2020-07-29 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50062367 |
| Mode S Code Hex | A064F7 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1240S.
| Tail Number / N-Number | N1240S |
| Manufacturer | SCHWEIZER |
| Model | SGS 2-33A |
| Manufacturer's Serial Number | 222 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Average Cruising Speed | 73 miles per hour |
| County | Washtenaw County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1989-03-02 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1240S.
| Tail Number / N-Number | N1240S |
| Manufacturer | CESSNA |
| Model | 172S |
| Year Built | 2006 |
| Manufacturer's Serial Number | 172S10305 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-360-L2A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT COMPANY |
| Street | PO BOX 7704 |
| City | WICHITA |
| State | KS |
| Zip Code | 67277 |
| County | Washtenaw County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-09-18 |
| Last Action Date | 2006-08-11 |
| Last Status | Aircraft registered to the manufacturer under their Dealer Certificate |
| Cancellation Date | 2006-11-06 |
| Exported To | NEW ZEALAND |