- Holder
- K & L Soaring LLC
- Revision
- 9
- Revised
- November 29, 2010
- Status
- Current
- Product
- Aircraft · Glider
- Certification basis
- Part 21, Part 23
- Models
- 3
- Registered
- 56 aircraft
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 3
| Model | Also known as | Note |
|---|---|---|
| SGS 1-35A | Formerly Schweizer Aircraft Corporation | |
| SGS 1-35 | Formerly Schweizer Aircraft Corporation | |
| SGS 1-35C | Formerly Schweizer Aircraft Corporation |
Airworthiness directives · 2
ADs whose products are models on this data sheet, matched by model and maker.
Registered aircraft
Registry models that point at this data sheet, with their registered aircraft.
STCs approved under this data sheet · 2
What the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
Page No. 1 2 3
Rev. No. 9 9 7
DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
G4EA
Revision No. 9
K & L Soaring, LLC
SGS 1-35
SGS 1-35C
SGS 1-35A
November 29, 2010
TYPE CERTIFICATE DATA SHEET NO. G4EA
This data sheet which is a part of type certificate No. G4EA prescribes conditions and limitations under which the product for
which the type certificate was issued meets the airworthiness requirements of the Federal Aviation Regulations.
Type Certificate Holder K & L Soaring, LLC
5996 State Route 224
Cayuta, New York 14824
Type Certificate Holder Record Schweizer Aircraft Corporation
County Airport
P.O. Box 147
Elmira, New York 14902
I - Model SGS 1-35, 1 PCLM, (Utility and High Performance) Approved April 25, 1974
II - Model SGS 1-35C, 1 PCLM (High Performance) Approved June 10, 1976 (Notes 1, 2, 3, 5, 6, 7)
Airspeed limits Va (Mane uvering) 88 m.p.h. (77 knots)
(CAS) Vlo (Gear Operating) 139 m.p.h. (121 knots)
Vne (Glide or Dive) 139 m.p.h. (121 knots)
Vta (Airplane tow, flaps -8° to +18° 99 m.p.h. (86 knots)
Vfe (Flaps Extended) 99 m.p.h. (86 knots)
Vfu (Flaps 0° to -8°) 139 m.p.h. (121 knots)
III - Model SGS 1-35A, 1 PCLM, (High Performance and Utility) Approved April 17, 1978, (Notes 1, 2, 3, 5, 8)
Airspeed limits Va (Mane uvering) 88 m.p.h. (77 knots)
(CAS) Vlo (Gear Operating) 139 m.p.h. (121 knots)
Vne (Glide or Dive) 139 m.p.h. (121 knots)
Vta (Airplane tow flaps -7° to +14°) 99 m.p.h. (86 knots)
Vfe (Flaps Extended) 99 m.p.h. (86 knots)
Vfu (Flaps 0° to -7°) 139 m.p.h. (121 knots)
Specifications Pertinent to All Models
Center of Gravity
(C.G. Range)
Category Weight Forw ard C.G. Aft. C.G.
High Performance 660 lb. & 685 lb. *Sta. 75.28 in. (25%) Sta. 78.90 in. (38.5%)
(NOTE 3) **Sta. 76.09 in. (28%) Sta. 78.90 in. (38.5%)
*Sta. 75.28 in. (25%) Sta. 77.56 in. (33.5%)
Utility 930 lb. (Note 7) **Sta. 76.09 in. (28%) Sta. 77.56 in. (33.5%)
*Limits for aircraft with fixed horizontal tail surfaces and double-spring trim
system.
**Limits for aircraft with demountable horizontal tail surfaces and either single-
spring or double-spring trim system and 35192R integration system.
Straight line variation between points given.
G4EA 2
______________________________________________________________________________________________________
660
685
930
10.1 10.9 12.4
(See Note 4)
13.7
In. Aft of Datum
G.W.
(lb.)
Fixed horizontal
tail
Removable
horizontal tail
Utility
High Performance
(See Note 3)
Empty Weight C.G. Range None.
Datum Wing leading edge at root (F uselage Sta. 65.16, Wing Sta. 11.4)
Mean Aerodynamic Chord 26.8 in. (Leading edge of MAC 3.41 in. aft of wing leading edge at root.)
Leveling means See aircraft weight a nd balance data in aircraft log book.
Maximum Weight Utility
Takeoff 930 lb. (Includes 161.5 lb. (19.3 ga l.) in each water ballast tank.) (NOTE 7)
Landing 685 lb. (NOTE 3.)
High Performance
Takeoff and Landing 685 lb. (NOTE 3.)
Water Ballast Utility
One tank each wing; 161.5 lb./tank (NOTE 7)
High Performance
None.
No. of Seats 1 (-8.2)
Baggage None.
Control Surface Elevator 21° up 18° down
Movements (Min) Rudder 27° left 27° right
*Aileron 26° up 14° down
Flap 8° up 80° down
Flap 7° up 80° down (SGS 1-35A only)
*Integration System Not Installed
Aileron Travel with 35192R
Integration System Installed
Flap Setting Aileron Travel
-8 28° up 0° down
0 26° up 10° down
+6 18° up 12° down
Serial No. Eligible 1 and up (NOTE 6)
Certification Basis FAR 21, effective February 1, 1965, including Amendment 21-1 through 21-38. FAR
23, effective February 1, 1965, including Amendment 23-1 through 23-12.
Basic Glider Handbook dated 1962.
Glider Type Certificate No. G4EA, dated April 25, 1974.
Date of Application for Type Certificate, September 25, 1972.
Production basis None
3 G4EA
Equipment: The basic equipment as prescribed in the applicable airworthiness regulations (See Certification
Basis) must be installed in the glider for certification. In addition, the following items are
required:
FAA Approved Sailplane Flight Manual, including:
1. Supplement No. 1 - dated March 4, 1976 (NOTE 5)
Supplement No. 2, Revision 1 - dated March 3, 1977 (NOTE 6)
Supplement No. 3, - dated April 17, 1978 (NOTE 8)
Supplement No. 4, - dated April 23, 1979 (NOTE 14)
2. Outside Air Temperature Gage (NOTE 7)
3. Revision 1 - dated October 11, 1974 (NOTE 9)
4. Revision 3 - dated September 5, 1975 (NOTE 11)
5. Revision 2 - dated April 30, 1975 (NOTE 10)
6. Revision 4 - dated January 9, 1978 (NOTE 12)
7. Revision 5 - dated October 16, 1978 (NOTE 13)
NOTE 1. A suitable placard to cover the maximum and minimum pilot weights must be installed in full view of the
pilot as determined from the manufact urer's weight and balance report.
NOTE 2. All placards required in the Approved Sailplane Flight Manual must be installed in the appropriate
locations. This sailplane must be operated as a Hi gh Performance or Utility Type Sailplane in compliance
with the approved Sailplane Flight Manual. All marki ngs and placards in this sailplane apply to operation
as a High Performance sailplane. For Utility operation refer to Sailplane Flight Manual.
NOTE 3. High performance category gross weight of 685 lb. is approved for aircraft having wing panels weighing
124 lb. each. Applicable to S/N 1 and subsequent. See Wt. & Balance Form (I-4636-2) for wing panel
weight. Maximum landing weight of 685 lb. is approved for all aircraft.
NOTE 4. C.G. forward limit, in both high performance and u tility categories, of + 10.1 in. (25% MAC) is approved
For aircraft with fixed horizontal tail surface and double spring trim system.
NOTE 5. With Aileron Integration System installed, Schweizer Airplane Flight Manual Supplement No. 1 "Integrated
Flap-Aileron Control System" required, dated March 4, 1976.
NOTE 6. Model SGS 1-35C, Serial No. 59 and up, Schweizer Sailplane Flight Manual Supplement No. 2, (Revision 1
dated March 3, 1977, required).
NOTE 7. Model SGS 1-35C - outside air temperature gage not required as the model has no provision for water
ballast. Therefore eligible for high performance operation only.
NOTE 8. Model SGS 1-35A - Serial No. 60 and up, Schweizer Sailplane Flight Manual Supplemental No. 3 required,
dated April 17, 1978.
NOTE 9. Model SGS 1-35 - added airspeed limits in knots, added to incorporate aft static system (Revision 1 to
Sailplane Flight Manual, da ted October 11, 1974, required).
NOTE 10. Model SGS 1-35 - for aircraft with de mountable horizontal tail surfaces, changed forward CG limit from
Sta. 75.28 (25%) to Sta. 76.09 (28%) - (Revision 2 to Sailplane Flight Manual, dated April 30, 1975,
demountable horizontal tail optional).
NOTE 11. Model SGS 1-35 - added information pertinent to increase of gross weight to 685 lb. for high performance
category (Revision 3 to Sailplane Flight Manual, dated September 5, 1975, information required).
NOTE 12. Model SGS 1-35 - added indicated vs calibrate d airspeed corrections for 35040G/35044G longer nose cap
installation (Revision 4 to Sailplane Flight Manual, dated January 4, 1978, nose cap installation optional).
NOTE 13. Model SGS 1-35 - added footnote 1/ with references, relative to SGS 1-35 with fixed main landing gear
(Revision 5 to Sailplane Flight Manual, dated October 16, 1978, fixed gear optional).
NOTE 14. Model SGS 1-35 - recommended bail-out procedure w/(optional) forward hinged canopy Supplement No. 4
dated April 23, 1979).
...END...