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No. of STCs: 41

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA101WE	Status: Current	App Date: 02/13/1962	Rev Date: 03/07/2008
Description: Installation of picture window.
TC Nos.: TC 654
Models: Grumman American Aviation CorporationG-21, G-21A (Army OA-9; Navy JRF-1; -2; -3; -4; -5; and -6B)
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA101WE	Status: Historical	App Date: 02/13/1962	Rev Date: 09/27/2007
Description: Installation of picture window.
TC Nos.: TC 654
Models: Grumman American Aviation CorporationG-21, G-21A (Army OA-9; Navy JRF-1; -2; -3; -4; -5; and -6B)
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA108WE	Status: Historical	App Date: 10/28/1959	Rev Date: 09/27/2007
Description: Modification of bulkhead station 26, blkd sta 33, cabin floor from Sta 13-29 and addition of bouyant tank between Sta 29-31.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA108WE	Status: Current	App Date: 10/28/1959	Rev Date: 03/07/2008
Description: Modification of bulkhead station 26, blkd sta 33, cabin floor from Sta 13-29 and addition of bouyant tank between Sta 29-31.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1320WE	Status: Current	App Date: 07/28/1965	Rev Date: 11/08/2007
Description: G-21C: Installation of two United Aircraft of Canada Drawing List Model PT6A-20 engines. G-21D: installation of two United Aircraft of Canada Ltd Model PT6A-20 engines, Alvarez-Calderon wing flaps, and related changes.
TC Nos.: 4A24
Models: McKinnon A. G.G-21C, G-21D
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1320WE	Status: Historical	App Date: 07/28/1965	Rev Date: 11/05/2007
Description: G-21C: Installation of two United Aircraft of Canada Drawing List Model PT6A-20 engines. G-21D: installation of two United Aircraft of Canada Ltd Model PT6A-20 engines, Alvarez-Calderon wing flaps, and related changes.
TC Nos.: 4A24
Models: McKinnon A. G.G-21C, G-21D
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1589WE	Status: Current	App Date: 04/04/1967	Rev Date: 03/07/2008
Description: Installation of two United Aircraft of Canada Ltd. Model PT6-20A engines.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1589WE	Status: Historical	App Date: 04/04/1967	Rev Date: 09/27/2007
Description: Installation of two United Aircraft of Canada Ltd. Model PT6-20A engines.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1751WE	Status: Historical	App Date: 07/17/1968	Rev Date: 09/27/2007
Description: Increase in main fuel tank capacity to 336 gallons.
TC Nos.: 4A24
Models: McKinnon A. G.G-21C
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1751WE	Status: Current	App Date: 07/17/1968	Rev Date: 03/07/2008
Description: Increase in main fuel tank capacity to 336 gallons.
TC Nos.: 4A24
Models: McKinnon A. G.G-21C
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1969WE	Status: Current	App Date: 05/22/1969	Rev Date: 03/07/2008
Description: Installation of passenger seats.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1969WE	Status: Historical	App Date:	Rev Date: 09/27/2007
Description: Installation of passenger seats.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2317WE	Status: Historical	App Date: 01/04/1971	Rev Date: 09/27/2007
Description: Installation of dual brakes.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2317WE	Status: Current	App Date: 01/04/1971	Rev Date: 03/07/2008
Description: Installation of dual brakes.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21 Series
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA355WE	Status: Historical	App Date: 02/14/1963	Rev Date: 09/27/2007
Description: Installation of hull vents.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA355WE	Status: Current	App Date: 02/14/1963	Rev Date: 03/07/2008
Description: Installation of hull vents.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1055	Status: Historical	App Date: 09/22/1958	Rev Date: 09/27/2007
Description: Rotary beacon installation.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1055	Status: Current	App Date: 09/22/1958	Rev Date: 03/07/2008
Description: Rotary beacon installation.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1109	Status: Current	App Date: 05/05/1960	Rev Date: 03/07/2008
Description: Metalizing of wings aft of spar.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1109	Status: Historical	App Date: 05/05/1960	Rev Date: 09/27/2007
Description: Metalizing of wings aft of spar.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1467	Status: Historical	App Date: 05/22/1969	Rev Date: 05/22/1969
Description: Installation of retractable tip floats.
TC Nos.: TC 654
Models: Grumman American Aviation CorporationG-21, G-21A (Army OA-9; Navy JRF-1; -2; -3; -4; -5; and -6B)
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1467	Status: Current	App Date: 05/22/1969	Rev Date: 03/07/2008
Description: Installation of retractable tip floats.
TC Nos.: TC 654
Models: Grumman American Aviation CorporationG-21, G-21A (Army OA-9; Navy JRF-1; -2; -3; -4; -5; and -6B)
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1467	Status: Historical	App Date: 05/22/1969	Rev Date: 09/27/2007
Description: Installation of retractable tip floats.
TC Nos.: TC 654
Models: Grumman American Aviation CorporationG-21, G-21A (Army OA-9; Navy JRF-1; -2; -3; -4; -5; and -6B)
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1550	Status: Current	App Date: 03/06/1961	Rev Date: 03/07/2008
Description: Installation of wing leading edge landing lights.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1550	Status: Historical	App Date: 03/16/1961	Rev Date: 09/27/2007
Description: Installation of wing leading edge landing lights.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1551	Status: Historical	App Date: 03/06/1961	Rev Date: 09/27/2007
Description: Installation of electric gear retract motor.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1551	Status: Current	App Date: 03/06/1961	Rev Date: 03/07/2008
Description: Installation of electric gear retract motor.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-677	Status: Current	App Date: 09/22/1958	Rev Date: 03/07/2008
Description: Installation of Picture Window.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-677	Status: Historical	App Date: 09/22/1958	Rev Date: 09/27/2007
Description: Installation of Picture Window.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-678	Status: Current	App Date: 09/22/1958	Rev Date: 03/07/2008
Description: Installation of new nose.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-678	Status: Historical	App Date: 09/22/1958	Rev Date: 09/27/2007
Description: Installation of new nose.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-680	Status: Historical	App Date: 09/22/1958	Rev Date: 09/27/2007
Description: Installation of windshield.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-680	Status: Current	App Date: 09/22/1958	Rev Date: 03/07/2008
Description: Installation of windshield.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-681	Status: Current	App Date: 09/22/1958	Rev Date: 03/07/2008
Description: Installation of dorsal fin.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-681	Status: Historical	App Date: 09/22/1958	Rev Date: 09/27/2007
Description: Installation of dorsal fin.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-682	Status: Historical	App Date: 09/22/1958	Rev Date: 09/27/2007
Description: Installation of retractable float.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-682	Status: Current	App Date: 09/22/1958	Rev Date: 03/07/2008
Description: Installation of retractable float.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-683	Status: Current	App Date: 04/02/1962	Rev Date: 03/07/2008
Description: Installation of auxiliary fuel tanks in outboard wing sections.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-683	Status: Historical	App Date: 04/02/1962	Rev Date: 09/27/2007
Description: Installation of auxiliary fuel tanks in outboard wing sections.
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21, G-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA59WE	Status: Current	App Date: 05/01/1961	Rev Date: 03/07/2008
Description: ONE-ONLY STC, S/N B117: Installation of a Chandler Evans AN 4100 (P/N CE 9141-AA) electric driven emergency fuel pump in place of the standard hand pump and strainer (P/N NAF 38855 Type AEL-1). (G-21A N525, S/N B117)
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21A
ACO: AIR-750: East Certification Branch ATL

STC Holder: Atlantic Coast Sea Planes LLC 3623 N Elm St, Ste 200, PO Box 41027, Greensboro, NC 27455, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA59WE	Status: Historical	App Date: 05/01/1961	Rev Date: 09/27/2007
Description: Installation of a Chandler Evans AN 4100 (P/N CE 9141-AA) electric driven emergency fuel pump in place of the standard hand pump and strainer (P/N NAF 38855 Type AEL-1). (G-21A N525, S/N B117)
TC Nos.: 654
Models: Grumman American Aviation CorporationG-21A
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500