| Tail Number / N-Number | N3125K |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7B-15 |
| Year Built | 1996 |
| Manufacturer's Serial Number | F7B-366 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | COLE TIMOTHY S |
| Street | 1017 15TH ST |
| City | GREELEY |
| State | CO |
| Zip Code | 80631-4731 |
| Region | Northwest Mountain |
| County | Weld County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1996-08-06 |
| Certificate Issue Date | 2022-02-18 |
| Last Action Date | 2022-02-18 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 50650520 |
| Mode S Code Hex | A35150 |
Deregistered Aircraft 1 of 3. This aircraft was previously assigned the N-number N3125K.
| Tail Number / N-Number | N3125K |
| Manufacturer | BELL |
| Model | 206L-3 |
| Manufacturer's Serial Number | 51525 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 7 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 | BELL HELICOPTER TEXTRON INC |
| Street | PO BOX 482 |
| City | FORT WORTH |
| State | TX |
| Zip Code | 76101 |
| County | Weld County |
| Country | US |
| Certificate Issue Date | 1992-03-12 |
| Last Action Date | 1992-03-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1992-09-01 |
| Exported To | COLOMBIA |
Deregistered Aircraft 2 of 3. This aircraft was previously assigned the N-number N3125K.
| Tail Number / N-Number | N3125K |
| Manufacturer | CULVER |
| Model | V |
| Manufacturer's Serial Number | V-344 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CULVER AIRCRAFT CORPORATION |
| Street | 600 E 35TH ST |
| City | WICHITA |
| State | KS |
| Zip Code | 67201 |
| Region | Central |
| County | Weld County |
| Certificate Issue Date | 1946-11-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1949-11-03 |
Deregistered Aircraft 3 of 3. This aircraft was previously assigned the N-number N3125K.
| Tail Number / N-Number | N3125K |
| Manufacturer | CESSNA |
| Model | 421 |
| Manufacturer's Serial Number | 4210106 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 172 miles per hour |
| County | Weld County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1989-07-11 |