# TCDS 1G1: K & L Soaring LLC

- Type: Type certificate data sheet
- Status: Current
- Holder: K & L Soaring LLC
- Revision: 10
- Revised: November 29, 2010
- Product: Aircraft, Glider
- Certification basis: CAR 5
- Registered aircraft: 35, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/63/07/63074d233fc859396e7d57fc44ffb5a80305702ebb3185e6b0928f825d1219b2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/25EA4F7D45DD9E938625780E005A0AEF.0001
- Page: https://openairdocs.org/tcds/1G1

## Models (6)

As the data sheet lists them.

- SGS 1-23D
- SGS 1-23F
- SGS 1-23G
- SGS 1-23H
- SGS 1-23H-15
- SGS 1-23

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
Page No. 1 2 3 
Rev. No. 10 10 8 
 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
 
1G1 
 Revision 10 
 K & L Soaring, LLC 
SGS 1-23 
SGS 1-23D 
SGS 1-23F 
SGS 1-23G 
SGS 1-23H 
SGS 1-23H-15 
 November 29, 2010 
GLIDER SPECIFICATION NO.  1G1  
 
Type Certificate Holder K & L Soaring, LLC  
  5996 State Route 224  
  Cayuta, New York  14824  
 
Type Certificate Holder Record Schweizer Aircraft Corporation 
  County Airport 
  Elmira, New York  14902  
 
I - Model SGS 1-23, 1 PCLM, Approved November 22, 1949; Model SGS 1-23D, 1 PCLM, Approved June 1, 1953; 
Models SGS 1-23F and SGS 1-23G, 1 PCLM, Approved June 12, 1958;  Models SGS 1-23H and SGS 1- 23H-15, 1 PCLM, 
Approved March 13, 1961. 
Model SGS 1-23D same as SGS 1-23 Serial No. 12 and up except for increased maximum weight, wing, aileron, rudder and  
other minor changes. 
Models SGS 1-23F and SGS 1-23G same as SGS 1-23D, Serial No. 25 and up, except for increase in wing span, minor wing  
detail construction, and incorporation of an enlarged vertical tail surface. 
Model SGS 1-23H same as SGS 1-23G except for redesigned dive brakes and revised detachable wing tips.  Model SGS 1-23H-
15 same as SGS 1-23H except for shorter wing tips to reduce wing span to 15 meters (49 ft. 2 in.).  Wing tips: Dwg. 23H-467 for 
SGS 1-23H and Dwg. 23D-472 for SGS 1-23H-15. 
 
 Type Class I 
 
 Airspeed limits Serial Nos. 1 through 11: 
  (See NOTE 2 for eligibility for increased  glide and dive and spoiler speeds) 
  Glide or dive 110 mph True Ind. 
  Airplane tow 100 mph True Ind. 
  Auto-winch tow 70 mph True Ind. 
  Spoiler extended 110 mph True Ind. 
  Serial Nos. 12 and up: 
  Glide or dive 116 mph True Ind. 
  Airplane tow 100 mph True Ind. 
  Auto-winch tow 70 mph True Ind. 
  Spoiler extended 116 mph True Ind. 
  Serial Nos. 25 and up: 
  Glide or dive 119 mph True Ind. 
  Airplane tow 110 mph True Ind. 
  Auto-winch tow 68 mph True Ind. 
  Spoiler extended 119 mph True Ind. 
  Serial Nos. 45 and up: 
  Glide or dive 140 mph True Ind. 
  Airplane tow 110 mph True Ind. 
  Auto-winch tow 68 mph True Ind. 
  Dive brake extended 140 mph True Ind. 
   (terminal velocity) 
 
 C.G. range (+12.9) to (+16). Serial  Nos. 25 and up: (+12.8) to (+16).

1G1                                                                                           2 
_____________________________________________________________________________________________________ 
 
 Maximum weight Serial Nos. 1 through 11:  600 lbs.   (See NOTE 2 for eligibility for increased weight). 
  Serial Nos. 12 and up:  660 lbs. 
  Serial Nos. 25 and up:  750 lbs. 
  
        No. of seats 1 at (-6.5 to -10.5 adjustable) 
 
 Baggage None 
 
 Control surface SGS 1-23: 
 movements Elevator 23° Up 23° Down 
  Rudder 30° Right 30° Left 
  Aileron 36° Up 18° Down 
  Spoilers   80° Up 0° Down 
  SGS 1-23D: 
  Elevator 25° Up 25° Down 
  Rudder   30° Right 30° Left 
  Aileron 36° Up 18° Down 
  Spoilers   80° Up 0° Down 
  SGS 1-23F, SGS 1-23G, SGS 1-23H, and SGS 1-23H-15: 
  Elevator 25° Up 25° Down 
  Rudder   28° Right 28° Left 
  Aileron 36° Up 18° Down 
  Spoilers   80° Up 0° Down 
 
 Serial Nos. eligible (SGS 1-23)  1 through 24. 
  (SGS 1-23D)  25 through 33, 35 and 36. 
  (SGS 1-23F)  34. 
  (SGS 1-23G)  37 and up. 
  (SGS1-23H and SGS 1-23H-15)  45 and up. 
 
 Required equipment Items 201(a) or (b ), 401, 402 (SGS 1-23H, SGS 1-23H-15). 
 
Specifications Pertinent to All Models 
 
 Datum Wing leading edge at root. 
 
 Leveling means Upper surface of stabilizer be tween front and rear spar near fuselage. 
 
 Certification basis Glider Type Certificate No. 1G1 (CAR 5) 
 
 Production basis None 
 
Equipment: 
 
 Landing Gear 
  201. Wheel 
   (a) 5.00 x 4, Schweizer Model 1B213,  with 4-ply rating tire 7 lbs. (+19) 
   (b) 5.00 x 4, Schweizer Model 1B216, with 4-ply rating tire No weight change 
  202. Schweizer circumferential brake Neglect weight 
 
 Interior Equipment 
  401. Airspeed indicator Neglect weight 
  402. Shoulder harness installation accordi ng to Schweizer Aircraft 1.5 lbs. (+11) 
   Corporation Dwg. No. 23B-217

3 1G1 
       Miscellaneous (not listed above) 
  601. Double spoilers installed accordi ng to Schweizer Aircraft 1 lb.  (+13) 
   Corporation Dwg. No. 23D-605 and 23D-606. 
   Under wing spoiler movement 0° up 80° down. 
 
NOTE 1.  Suitable placards to cover the various pilot weights and positions must be installed in full view of the pilot  
   as determined from the manufact urer's weight and balance report. 
 
NOTE 2. Serial Nos. 1 through 11 also eligible at  660 lbs. maximum weight Neglect weight change 
 with the "Airspeed limits" indicated for Serial Nos. 12 and up, when  
 the elevator is reinforced in accordance with Schweizer Aircraft  
 Corporation's Drawing No. 23D804, change A. 
 
 
 
...END...
```

## ADs (3, in force first)

- [AD 87-17-01](https://openairdocs.org/ad/87-17-01): Tow Release Installation · K & L Soaring SGS 1-23, SGS 1-23D, SGS 1-23F and 25 more. Effective Aug 19, 1988
- [AD 87-02-01](https://openairdocs.org/ad/87-02-01): Tow-Release Installation Inspection · K & L Soaring SGM 2-37, SGS 1-23, SGS 1-23D and 32 more. Effective Jan 21, 1987
- [AD 71-17-09](https://openairdocs.org/ad/71-17-09): Loose Rudder Fittings · K & L Soaring SGS 1-23H and SGS 1-23H-15. Effective Aug 26, 1971

## Registered aircraft by registry model (OpenAirDocs)

- [Schweizer SGS 1-23H-15](https://openairdocs.org/model/schweizer-sgs-1-23h-15): 10 aircraft (registry code 8050112)
- [Schweizer SGS 1-23](https://openairdocs.org/model/schweizer-sgs-1-23): 9 aircraft (registry code 8050102)
- [Schweizer SGS 1-23D](https://openairdocs.org/model/schweizer-sgs-1-23d): 5 aircraft (registry code 8050104)
- [Schweizer SGS 1-23G](https://openairdocs.org/model/schweizer-sgs-1-23g): 5 aircraft (registry code 8050108)
- [Schweizer SGS 1-23H](https://openairdocs.org/model/schweizer-sgs-1-23h): 5 aircraft (registry code 8050110)
- [Schweizer SGS 1-23F](https://openairdocs.org/model/schweizer-sgs-1-23f): 1 aircraft (registry code 8050106)

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