Type Record · As of May 3, 2026
SCHWEIZER SGS 1-35
Glider · NONE NONE
Registered
28
Year Range
1974–1976
NTSB Events
7
Airworthiness Directives
0
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered SCHWEIZER SGS 1-35 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- FL 18.5% 5
- NY 11.1% 3
- TX 11.1% 3
- MA 11.1% 3
- CA 7.4% 2
- AL 7.4% 2
- MT 3.7% 1
- MD 3.7% 1
- KS 3.7% 1
- AK 3.7% 1
+5 more states
By Decade of Manufacture
- 1970s 75.0% 21
- Unknown 25.0% 7
02 / NTSB Records
Events involving SCHWEIZER SGS 1-35 aircraft
7 event(s) on file. Showing the most recent 7.
-
Jun 20, 2021
N2851HWellington, Colorado Minor
NTSB Docket → -
Sep 1, 2018
N34107Burnet, Texas
NTSB Docket → -
May 6, 2000
N34173SEASIDE, Oregon
NTSB Docket → -
Aug 3, 1986
N34180MARANA, Arizona
NTSB Docket → -
Jun 2, 1985
N9JKMIDDLETOWN, New York
NTSB Docket → -
Nov 23, 1979
N34185LAKELAND, Florida
NTSB Docket → -
May 28, 1976
N34189PLYMOUTH, Connecticut Minor
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to SCHWEIZER SGS 1-35
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for SCHWEIZER SGS 1-35
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 5 matches in the FAA catalog.
- G3EA Historical Rev 4 · 11/29/2010
K & L Soaring LLC
Models: SGS 1-34, SGS 1-34R
- G5EA Historical Rev 2 · 11/29/2010
K & L Soaring LLC
Models: SGS 1-36
- 1G1 Historical Rev 10 · 11/29/2010
K & L Soaring LLC
Models: SGS 1-23H, SGS 1-23G, SGS 1-23F, SGS 1-23H-15 + 2 more
- 1G10 Historical Rev 7 · 11/29/2010
K & L Soaring LLC
Models: SGS 1-26C, SGS 1-26D, SGS 1-26B, SGS 1-26A + 2 more
- G4EA Current Rev 9 · 11/29/2010
K & L Soaring LLC
Models: SGS 1-35A, SGS 1-35, SGS 1-35C
06 / Supplemental Type Certificates
Modifications approved for SCHWEIZER SGS 1-35
18 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
05/17/2024
STC SA4503NM (PAGE 1)
Remove original cloth covering and install Ceconite covering
Ceconite Division of Poly-Fiber Inc.
-
09/09/2022
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber Inc
-
09/09/2022
STC SA4503NM (PAGE 1)
Install Ceconite covering material.
Ceconite Division of Poly-Fiber Inc
-
10/14/2016
STC SA01734SE (PG 3)
Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.
Andrew D. Humphrey
-
06/10/2015
STC SA01734SE (PG 3)
Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.
Stewart Thomas D. and Stewart Dan R.
-
03/23/2011
STC SA01734SE (PG 3)
Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.
Stewart Thomas D. and Stewart Dan R.
-
02/25/2011
STC SA4503NM (Page 1)
Install Ceconite covering material.
Ceconite Division of Poly-Fiber Inc
-
06/26/2009
STC SA01734SE (PG 3)
Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.
Stewart Thomas D. and Stewart Dan R.
-
05/27/2003
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber Inc.
-
05/27/2003
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber Inc
-
07/09/2002
STC SG01164CH
Install Cooper superflite 102 fabric.
Aviation Products Systems Inc.
-
06/14/2002
STC SG1265GL
Surrendered and incorporated into STC SG01164CH.
Cooper Aviation Supply Company, Inc.
-
04/07/1994
STC SA7965SW
Application of fabric and polyurethane finishing system.
Air Tech Coatings
-
10/06/1992
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber, Inc
-
08/19/1983
STC SG10WE
Replace existing fabric on wings, fuselage, empennage, and/or control surfaces with Ceconite103 material.
Ceconite Inc
-
08/19/1980
STC SG4-1240
Installation of Eonnex cover on aircraft surfaces.
Ceconite, Inc
-
01/01/1960
STC SG4WE
Ceconite 101 covering of complete aircraft.
Cooper Engineering Corporation
-
—
STC SG4WE
Ceconite 101 covering of complete aircraft.
Cooper Engineering Corporation
07 / PMA replacement parts
FAA-approved replacement parts for SCHWEIZER SGS 1-35
60+ parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
-
34650#https://drs.faa.gov/browse/excelExternalWindow/B712BFEF967910D586257953005E26AB.0001##
LH/RH Horizontal Stab Assembly
K&L Soaring LLC replaces 34650
PMA holder → -
34902#https://drs.faa.gov/browse/excelExternalWindow/B49D78FAECD0307A86257953005E2700.0001##
Stab Attach Bolt
K&L Soaring LLC replaces 34902
PMA holder → -
34901#https://drs.faa.gov/browse/excelExternalWindow/FF2079F831FBF03886257953005E26D4.0001##
Safety Pin
K&L Soaring LLC replaces 34901
PMA holder → -
34227#https://drs.faa.gov/browse/excelExternalWindow/9935DD1B26E0E60E86257953005E2630.0001##
Canopy Asssembly
K&L Soaring LLC replaces 34227
PMA holder → -
34256#https://drs.faa.gov/browse/excelExternalWindow/1C0817B1D0C3992686257953005E265D.0001##
Fuselage Wing Fairing
K&L Soaring LLC replaces 34256
PMA holder → -
34000#https://drs.faa.gov/browse/excelExternalWindow/580D012A42B33D3286257953005E25E3.0001##
Fuselage Assembly
K&L Soaring LLC replaces 34000
PMA holder → -
34400#https://drs.faa.gov/browse/excelExternalWindow/75D7DD434397FA7C86257953005E260F.0001##
LH/RH Wing Assembly
K&L Soaring LLC replaces 34400
PMA holder → -
34902#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156711842920221007131705.0001##
Stab Attach Bolt
K&L Soaring LLC replaces 34902
PMA holder → -
34227#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197314813020221007131702.0001##
Canopy Assembly
K&L Soaring LLC replaces 34227
PMA holder → -
34000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116919626120221007131700.0001##
Fuselage Assembly
K&L Soaring LLC replaces 34000
PMA holder → -
34650#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112337282320221007131704.0001##
LH/RH Horizontal Stab Assembly
K&L Soaring LLC replaces 34650
PMA holder → -
34901#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144539731420221007131705.0001##
Safety Pin
K&L Soaring LLC replaces 34901
PMA holder → -
34256#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199167819820221007131702.0001##
Fuselage Wing Fairing
K&L Soaring LLC replaces 34256
PMA holder → -
34400#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171924281720221007131701.0001##
LH/RH Wing Assembly
K&L Soaring LLC replaces 34400
PMA holder → -
23449#https://drs.faa.gov/browse/excelExternalWindow/FA8C158D0C857ED486257953005E1F3F.0001##
Main Wing Taper Pin
K&L Soaring LLC replaces 23449
PMA holder → -
23804#https://drs.faa.gov/browse/excelExternalWindow/DBA5030ED3D5D8E686257953005E210F.0001##
LH/RH Elevator Assembly
K&L Soaring LLC replaces 23804
PMA holder → -
23801#https://drs.faa.gov/browse/excelExternalWindow/FF65C8ED538C1AEC86257953005E20E3.0001##
Horizontal Stabilizer Assembly
K&L Soaring LLC replaces 23801
PMA holder → -
23501#https://drs.faa.gov/browse/excelExternalWindow/90ED9684D074ABB786257953005E2001.0001##
LH/RH Aileron Assembly
K&L Soaring LLC replaces 23501
PMA holder → -
23914#https://drs.faa.gov/browse/excelExternalWindow/98F3B08AF16AF78D86257953005E2130.0001##
Taper Pin Washer
K&L Soaring LLC replaces 23914
PMA holder → -
23000#https://drs.faa.gov/browse/excelExternalWindow/652B0E8574E0812986257953005E1EAF.0001##
Fuselage Assembly
K&L Soaring LLC replaces 23000
PMA holder → -
23801#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193263893220221007131635.0001##
Horizontal Stabilizer Assembly
K&L Soaring LLC replaces 23801
PMA holder → -
23449#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101111080920221007131627.0001##
Main Wing Taper Pin
K&L Soaring LLC replaces 23449
PMA holder → -
23501#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137383883420221007131631.0001##
LH/RH Aileron Assembly
K&L Soaring LLC replaces 23501
PMA holder → -
23914#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184207811420221007131637.0001##
Taper Pin Washer
K&L Soaring LLC replaces 23914
PMA holder → -
23000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149206674920221007131625.0001##
Fuselage Assembly
K&L Soaring LLC replaces 23000
PMA holder → -
23804#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197875585120221007131636.0001##
LH/RH Elevator Assembly
K&L Soaring LLC replaces 23804
PMA holder → -
23400#https://drs.faa.gov/browse/excelExternalWindow/DADC91202F61D50786257953005E1EE3.0001##
LH/RH Wing Assembly
K&L Soaring LLC replaces 23400
PMA holder → -
23701#https://drs.faa.gov/browse/excelExternalWindow/0170DC0AF906C45986257953005E2034.0001##
Vertical Fin Assembly
K&L Soaring LLC replaces 23701
PMA holder → -
23702#https://drs.faa.gov/browse/excelExternalWindow/4D89244DB4737D8D86257953005E2055.0001##
Rudder Assembly
K&L Soaring LLC replaces 23702
PMA holder → -
23702#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112083369520221007131632.0001##
Rudder Assembly
K&L Soaring LLC replaces 23702
PMA holder → -
23400#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187538394320221007131626.0001##
LH/RH Wing Assembly
K&L Soaring LLC replaces 23400
PMA holder → -
23701#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193945095920221007131631.0001##
Vertical Fin Assembly
K&L Soaring LLC replaces 23701
PMA holder → -
35622#https://drs.faa.gov/browse/excelExternalWindow/A5FEFC0DC3C5B2EF86257953005E27CF.0001##
LH/RH Horizontal Stab Assembly
K&L Soaring LLC replaces 35622
PMA holder → -
35622#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186207016920221007131709.0001##
LH/RH Horizontal Stab Assembly
K&L Soaring LLC replaces 35622
PMA holder → -
23704#https://drs.faa.gov/browse/excelExternalWindow/C45D52A0E5B18B6286257953005E2081.0001##
Rudder Assembly
K&L Soaring LLC replaces 23704
PMA holder → -
23705#https://drs.faa.gov/browse/excelExternalWindow/BBB446AD003B892886257953005E20B1.0001##
Vertical Fin Assembly
K&L Soaring LLC replaces 23705
PMA holder → -
23705#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151658860620221007131634.0001##
Vertical Fin Assembly
K&L Soaring LLC replaces 23705
PMA holder → -
23704#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190426781120221007131633.0001##
Rudder Assembly
K&L Soaring LLC replaces 23704
PMA holder → -
26000#https://drs.faa.gov/browse/excelExternalWindow/F731365C3E5AA93D86257953005E2165.0001##
Fuselage Assembly
K&L Soaring LLC replaces 26000
PMA holder → -
26400#https://drs.faa.gov/browse/excelExternalWindow/05065D88A72511B086257953005E21E8.0001##
LH/RH Wing Assembly
K&L Soaring LLC replaces 26400
PMA holder →
+ 20 more PMA parts on file
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for SCHWEIZER SGS 1-35
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 28 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N135AL | MT | — | · | Look up ↗ |
| N135BD | MD | 1975 | · | Look up ↗ |
| N135KL | NY | 1975 | · | Look up ↗ |
| N135MJ | FL | 1974 | · | Look up ↗ |
| N135MN | NY | 1975 | · | Look up ↗ |
| N135MS | FL | — | · | Look up ↗ |
| N135RD | CA | 1976 | · | Look up ↗ |
| N135RM | TX | 1975 | · | Look up ↗ |
| N233X | FL | — | · | Look up ↗ |
| N2851H | KS | 1976 | ● | Look up ↗ |
| N2JY | AK | 1976 | · | Look up ↗ |
| N33996 | MA | 1974 | · | Look up ↗ |
| N34107 | TX | 1975 | ● | Look up ↗ |
| N34173 | MA | — | ● | Look up ↗ |
| N34174 | — | 1975 | · | Look up ↗ |
| N34175 | WA | 1975 | · | Look up ↗ |
| N34180 | PA | — | ● | Look up ↗ |
| N34181 | IL | 1975 | · | Look up ↗ |
| N34183 | WI | 1975 | · | Look up ↗ |
| N34185 | NY | 1975 | ● | Look up ↗ |
| N34189 | AL | 1975 | ● | Look up ↗ |
| N34262 | FL | 1975 | · | Look up ↗ |
| N623YB | CA | — | · | Look up ↗ |
| N64Q | TX | 1975 | · | Look up ↗ |
| N65882 | IN | 1974 | · | Look up ↗ |
| N65919 | FL | — | · | Look up ↗ |
| N75135 | MA | 1975 | · | Look up ↗ |
| N9JK | AL | 1975 | ● | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →