Glider

N7640

1970 Schweizer SGS 1-34

Registered No accidents on file
Built
1970
Serial
20
Class
Glider
Engines
None NONE
Status
Current as of October 2026
Registered owner
Silent Knights Inc (Corporation)
Based
Ankeny, IA
Registration record

N7640 on the FAA register

Type
1970 Schweizer SGS 1-34
Serial
20
Engines
None NONE
Registered owner
Silent Knights Inc
Ankeny, IA
Certificate issued
2021-05-13
Airworthiness date
1970-03-20
Registration expires
2028-05-31
Airworthiness class
Standard · glider
Mode S (hex)
AA52BC
Mode S (octal)
52451274
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2028-05-31
    Registration expires (renewal due).
  • 2021-05-13
    Certificate of registration issued as N7640 to the current registrant.
  • 1970-03-20
    Airworthiness date on the current FAA record (standard category (glider)).
  • 1930-07-23
    N7640 previously assigned to a Homebuilt J-1 (s/n MAC-21); cancelled.
Overview

About N7640

N7640 is a 1970 Schweizer SGS 1-34, serial number 20. The FAA register lists Silent Knights Inc as the registrant in Ankeny, Iowa. The current certificate of registration was issued on May 13, 2021 and expires on May 31, 2028.

The FAA aircraft reference file describes the type as a glider and 1 seats. Its airworthiness certificate is standard category (glider), dated March 20, 1970.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N7640.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N7640.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.