# TCDS TC 2-558: STOL Aviation LLC

- Type: Type certificate data sheet
- Status: Current
- Holder: STOL Aviation LLC
- Revision: 5
- Revised: October 31, 2007
- Product: Aircraft, Small Airplane
- Certification basis: CAR 4
- Data sheet PDF: https://openairdocs.org/files/sha256/52/38/52388235675fd74bc7fc00e85e77eee6ba886b425825c8a4395fb3c04a9fcfdb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A0210D5C3CF8E2DF862574C600616D3E.0001
- Page: https://openairdocs.org/tcds/TC%202-558

## Models (1)

As the data sheet lists them.

- S-1

## 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. 5 -- -- 
 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
2-558 
  Revision 5 
  INTERSTATE 
S-1 
 
  October 31, 2007 
 
GROUP 2 AIRCRAFT SPECIFICATION NO. 2-558 
 
An aircraft identified as Interstate Airplane Model S-1 and conforming to CAA approved Interstate Aircraft and Engineering 
Corporation Model S-1 Numerical Drawing List as revised to September 18, 1940, or later CAA or FAA approved revision, 
will be eligible for an airworthiness certificate upon showing compliance with this specification if the Administrator determines 
such aircraft is in condition for safe operation.  Such certificate shall incorporate the operating limitations listed herein. 
 
Aircraft Approval Holder STOL Aviation LLC 
  c/o Downs Rachlin Martin 
  P.O. Box 191 
  Lebanon, NH 03766 
 
Aircraft Approval Ownership Record Interstate Aircraft a nd Engineering Corporation transferred ownership of Group 2 
  Aircraft Approval No. 2-558 to Harl ow Aircraft Company on July 23, 1945. 
 
  Harlow Aircraft Company transferre d ownership of Group 2 Aircraft Approval 
  No. 2-558 to Call Aircraft Company on July 15, 1950. 
 
  Call Aircraft Company transferred ow nership of Group 2 Aircraft Approval No. 
  2-558 to Nikiski Marine Corporation on May 14, 1969. 
 
  Nikiski Marine Corporation transferre d ownership of Group 2 Aircraft Approval 
  No. 2-558 to Arctic Aircraft Company, Inc., on May 15, 1970. 
 
  Arctic Aircraft Company, Inc., transf erred ownership of Group 2 Aircraft Approval 
  No. 2-558 to Interstate Engineering & Ty pe Design Company, Inc., on June 23, 1999. 
   
  Interstate Engineering & Type Design Co mpany, Inc., transferred ownership of  
         Group 2 Aircraft Approval No. 2-558 to STOL Aviation LLC on October 31, 2007. 
 
I - Model S-1, 2 PCLM (Normal Category), Approved October 31, 1940 
 
 Engine Continental A-50-8, Engine Type Certificate No. 190 
 
 Fuel 73 min. octane aviation gasoline 
 
 Engine limits For all operations, 1900 rpm (50 hp) 
 
 Airspeed limits Level flight or climb 100 mph (87 knots) TIAS 
  Glide or dive  135 mph (117 knots) TIAS 
 
 Propeller limits Static rpm at maximum permissible throttle setting: 
    Not over 1800, not under 1700.  No additional tolerance permitted. 
  Diameter:  Not over 84 in., not under 74 in.  No further reduction permitted. 
 
 C.G. range (+14.2) (22.3 percent MAC) to (+16. 5) (26.1 percent MAC).  Leading edge of MAC 
  is located at longitudinal station (+0.66).  MAC is 60.8 in. 
 
 Maximum weight 1150 lb. 
 
 No. of seats 2 (one at +7.7 and one at +38)

2-558, Rev. 5 
Page 2 
 Maximum baggage None 
 
 
 Fuel capacity 12 gal. (one tank in fuselage) (-19) 
 
 Oil capacity 4 qt. (-44) 
 
 Control surface movements Elevator 33.5° Up 33°  Down  
  Elevator tab 9° Up  17°  Down 
  Ailerons 20° Up  20°  Down 
  Rudder 30° right and left from centerline 
 
 Serial Nos. (S/N) eligible 1 only 
 
 Required equipment In addition to the pertinent basic required equipment as prescribed in the applicable 
  airworthiness regulations (see Approval ba sis), the following items of equipment must 
  be installed in the aircraft for certifica tion:  Items 1(a) or (b), 101, 201, and 202. 
 
 Datum Wing leading edge at side of fuselage 
 
 Leveling means Fuselage tube at door sill 
 
 Approval basis Group 2 Aircraft Approval No. 2- 558 issued in accordance with the provisions of 
  §§ 04.031, 04.04, and 04.040 through 04.042 of  the Civil Air Regulations effective 
  November 1, 1937, as amended to Ma rch 20, 1940.  Date of application for 
  approval March 20, 1940. 
 
 Equipment: A plus (+) or minus (-) sign preceding the we ight of an optional item indicates the net weight 
  change when that item is installed. 
 
  Approval for the installation of all items of equipment listed herein has been obtained by the 
  aircraft manufacturer except those items preceded by an asterisk (*).  This symbol denotes 
  that approval has been obtained by someone ot her than the aircraft manufacturer.  An item so 
  marked may not have been manufactured under a CAA or FAA monitored or approved quality 
  control system and, therefore, its conformity  with CAA or FAA approved technical data must 
  be determined if the item is not identif ied by a CAA Form ACA-186, FAA Form 186, FAA 
  Form 8130-3, FAA PMA, or other evidence of CAA or FAA conformity inspection or 
  production approval. 
 
Propellers and Propeller Accessories 
 
 1. Propeller  
  (a)  U.S. Propellers, Inc., Model 5726A fixed pitch wood, Propeller 16.4 lb. (-63) 
   Type Certificate No. 748, and Continental A3746 hub assembly 
  (b)  Wood (fixed or adjustable pitch, maximum weight 12.6 lb.) and 17 lb. (-63) 
   Continental A3746 hub assembly 
 
Engines and Engine Accessories - Fuel and Oil System 
 
 101. Carburetor air heater in accordance w ith Interstate Aircraft and 1 lb. (-44) 
  Engineering Corporation Drawing No. D-6010 
 
 102. Cabin heater in accordance with Inters tate Aircraft and Engineering 1 lb. (-42) 
  Corporation Drawings No. A-6009 and No. D-6010 
 
Landing Gear and Floats 
 
 201. Two main wheel/brake assemblies a nd tires - Firestone (Shinn) 29 lb. (-1.6) 
  6C5WFB 6.00 - 6 wheels with brakes and Firestone 
  6.00 - 6, 2-ply tires 
 
 202. Steerable tail wheel and tire - Firestone  6 x 2.00 solid tail wheel/tire 3 lb. (+174.4) 
  assembly in accordance with Interstate Aircraft and Engineering 
  Corporation Drawing No. D-5002

2-558, Rev. 5 
Page 3 
 
Miscellaneous (not listed above) 
 
 601. Miscellaneous items of optional equipment whic h may be installed or Use actual weight change 
  removed subject to inspection and a check of the aircraft C.G. limits, 
  originally listed under Class II, Item No. 200, on the approved 
  equipment list in the Aircraft Operation Record 
 
 
NOTE 1. A current weight and balance report including a list of the equipment included in the certificated empty weight, and 
  loading instructions when necessary must be provided for the aircraft at the time of original certification. 
 
NOTE 2. The following placards must be displayed in pl ain view and installed in the appropriate locations. 
 
  (a) On the instrument panel or in another appropriate location in the front of the cockpit: 
   "SOLO FLYING FROM  REAR SEAT ONLY" 
  (b) On the fuel tank filler opening and in an appropriate location in the rear of the cockpit: 
   "MAXIMUM FUEL 7½ GALLONS WHEN FLOWN DUAL" 
 
 
…END…
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Harlow S-1 CADET](https://openairdocs.org/model/harlow-s-1-cadet): 0 aircraft (registry code 4160106)
- [Interstate S-1 CADET](https://openairdocs.org/model/interstate-s-1-cadet): 0 aircraft (registry code 1850201)
- [Mercury S-1](https://openairdocs.org/model/mercury-s-1): 0 aircraft (registry code 5600504)
- [Snow S1](https://openairdocs.org/model/snow-s1): 0 aircraft (registry code 8380102)

## STCs approved under this data sheet (3)

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02428SE](https://openairdocs.org/stc/SA02428SE): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft. Henry F Rogers/David E Polley
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc

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