| Tail Number / N-Number | N3733U |
| Manufacturer | UMBARGER DANIEL L |
| Model | DANUMBARGERGTSPECIAL |
| Year Built | 2009 |
| Manufacturer's Serial Number | GT364 |
| 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) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503 DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | UMBARGER DANIEL L |
| Street | 718 S EMERALD DR |
| City | MCHENRY |
| State | IL |
| Zip Code | 60051-9356 |
| Region | Great Lakes |
| County | McHenry County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-10-21 |
| Certificate Issue Date | 2009-02-05 |
| Last Action Date | 2022-03-08 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51040704 |
| Mode S Code Hex | A441C4 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3733U.
| Tail Number / N-Number | N3733U |
| Manufacturer | BEECH |
| Model | 77 |
| Year Built | 1980 |
| Manufacturer's Serial Number | WA-159 |
| 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 | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Corporation |
| Owner Name | SIERRA NEVADA FLYERS INC |
| Street | PO BOX 1031 |
| City | CEDAR RIDGE |
| State | CA |
| Zip Code | 95924-1031 |
| County | McHenry County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1980-07-30 |
| Certificate Issue Date | 2001-09-27 |
| Last Action Date | 2002-11-06 |
| Last Status | Valid Registration |
| Cancellation Date | 2005-06-02 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3733U.
| Tail Number / N-Number | N3733U |
| Manufacturer | CESSNA |
| Model | 182G |
| Manufacturer's Serial Number | 18255133 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| Street | 5800 PAWNEE RD |
| City | WICHITA |
| State | KS |
| Zip Code | 67201 |
| Region | Central |
| County | McHenry County |
| Last Status | Valid Registration |
| Cancellation Date | 1963-12-30 |
| Exported To | MEXICO |