N-Number: N7640
Information Updated 01/06/2026
Aircraft Description
| N-Number | N7640 | ||
| Serial Number | 20 | Status | Valid |
| Manufacturer Name | SCHWEIZER | Certificate Issue Date | 05/13/2021 |
| Model | SGS 1-34 | Expiration Date | 05/31/2024 |
| Type Aircraft | Glider | Type Engine | None |
| Pending Number Change | Dealer | ||
| Date Change Authorized | Mode S Code (base 8 / octal) | 52451274 | |
| MFR Year | 1970 | Mode S Code (base 16 / hex) | AA52BC |
| Type Registration | Corporation | Fractional Owner | No |
Registered Owner
| Name | SILENT KNIGHTS INC | ||
| Street | 406 NW SKYLINE DR | ||
| City | ANKENY | State | IA |
| County | POLK COUNTY | Zip Code | 50023-8700 |
| Country | US | ||
Airworthiness
| Engine Manufacturer | NONE | A/W Date | 03/20/1970 |
| Engine Model | NONE | Classification | Standard |
| Category | Glider | ||
Other Owner Names
| None |
NTSB Records
| None |
Deregistered Aircraft
| Deregistered Aircraft 1 of 1 | |||
| Aircraft Description | |||
| Serial Number | MAC-21 | Certificate Issue Date | 09/21/1928 |
| Manufacturer Name | STANDARD | Mode S Code (base 8 / oct) | 52451274 |
| Model | J-1 | Mode S Code (base 16 / hex) | AA52BC |
| Year Manufacturer | 1917 | Cancel Date | 07/23/1930 |
| Reason for Cancellation | Export To | ||
| Type Registration | Partnership | ||
| Aircraft Registration prior to Deregistration | |||
| Name | HENDERSON ROY M AND HILSTROM HOLLIS R | ||
| Street | GENERAL DELIVERY | ||
| City | SCRANTON | ||
| State | IA | Zip Code | 51462 |
| County | Greene County | ||
| Country | US | ||
| Deregistered Airworthiness | |||
| Engine Manufacturer | Classification | Unknown | |
| Engine Model | Category | ||
| A/W Date | |||
| Deregistered Other Owner Names | |||
| None | |||