Registrant: KASTENHOLZ WILLIAM G (LONGMONT, CO)
Information Updated 11/22/2025
Registered Owner
| Name | KASTENHOLZ WILLIAM G | ||
| Street | 1237 TWIN PEAKS CIR | ||
| City | LONGMONT | State | CO |
| County | BOULDER COUNTY | Zip Code | 80503-2171 |
| Country | US | ||
Other Owner Names
| None |
Aircraft Description
| N-Number | N9WK | ||
| Serial Number | 0536 | Status | Valid |
| Manufacturer Name | KASTENHOLZ WILLIAM G | Certificate Issue Date | 05/16/2003 |
| Model | COZY MARK IV | Expiration Date | 05/31/2023 |
| Type Aircraft | Fixed Wing Single Engine | Type Engine | Reciprocating |
| Pending Number Change | Dealer | ||
| Date Change Authorized | Mode S Code (base 8 / octal) | 53066170 | |
| MFR Year | 2003 | Mode S Code (base 16 / hex) | AC6C78 |
| Type Registration | Individual | Fractional Owner | No |
Airworthiness
| Engine Manufacturer | LYCOMING | A/W Date | 10/20/2003 |
| Engine Model | O-360 SERIES | Classification | Experimental |
| Category | Amateur B | ||
Deregistered Aircraft
| Deregistered Aircraft 1 of 1 | |||
| Aircraft Description | |||
| Serial Number | 2009 | Certificate Issue Date | 03/01/1991 |
| Manufacturer Name | AEROTEK | Mode S Code (base 8 / oct) | 53066170 |
| Model | PITTS S-2A | Mode S Code (base 16 / hex) | AC6C78 |
| Year Manufacturer | Cancel Date | 01/16/1997 | |
| Reason for Cancellation | Export To | SPAIN | |
| Type Registration | Individual | ||
| Aircraft Registration prior to Deregistration | |||
| Name | GRIEB LINN D | ||
| Street | 4001 NASA ONE 307 | ||
| City | SEABROOK | ||
| State | TX | Zip Code | 77586 |
| County | Harris County | ||
| Country | |||
| Deregistered Airworthiness | |||
| Engine Manufacturer | Classification | Unknown | |
| Engine Model | Category | ||
| A/W Date | |||
| Deregistered Other Owner Names | |||
| None | |||