STC Holder: Leth & Associates

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 6

STC Holder: Leth & Associates Address: 85 222nd Place SE, Sammamish, WA 98074, United States		Contact us to have your company added here!
STC No.: SA3437NM	Status: Current	App Date: 06/23/1986	Rev Date: 07/16/2002
TC Nos.: 4A25,
Models: McDonnell Douglas Corporation: DC-8-62
ACO: AIR-770: West Certification Branch LA
Modification to permit an increase in maximum allowable zero fuel weight of DC-8-62 airplanes, (1) which are certified to a 335,000 lbs. maximum takeoff gross weight or (2) which are certified to a 350,000 lbs. maximum takeoff gross weight.

STC Holder: Leth & Associates Address: 85 222nd Place SE, Sammamish, WA 98074, United States		Contact us to have your company added here!
STC No.: SA4844NM	Status: Current	App Date:	Rev Date: 03/01/1990
TC Nos.: 4A25,
Models: McDonnell Douglas Corporation: DC-8-63
ACO: AIR-770: West Certification Branch SEA
Modification in accordance with FAA-approved data to permit an increase in maximum landing weight above 2,000 ft.

STC Holder: Leth & Associates Address: 85 222nd Place SE, Sammamish, WA 98074, United States		Contact us to have your company added here!
STC No.: SA4912NM	Status: Current	App Date: 04/14/1990	Rev Date: 03/27/1990
TC Nos.: A3WE,
Models: The Boeing Company: 727-100 Series
ACO: AIR-770: West Certification Branch SEA
Increase in the maximum zero fuel weight.

STC Holder: Leth & Associates Address: 85 222nd Place SE, Sammamish, WA 98074, United States		Contact us to have your company added here!
STC No.: ST00094SE	Status: Current	App Date:	Rev Date: 05/31/1994
TC Nos.: A3WE,
Models: The Boeing Company: 727-200 Series
ACO: AIR-770: West Certification Branch SEA
Increase in the maximum zero fuel weight.

STC Holder: Leth & Associates Address: 85 222nd Place SE, Sammamish, WA 98074, United States		Contact us to have your company added here!
STC No.: ST01857SE	Status: Historical	App Date: 06/19/2006	Rev Date: 07/03/2008
TC Nos.: A2NM,
Models: The Boeing Company: 757-200 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Increase of the Maximum Zero Fuel Weight of Boeing 757-200 series aircraft converted under Precision Conversions, LLC, STC Number ST01529SE,

STC Holder: Leth & Associates Address: 85 222nd Place SE, Sammamish, WA 98074, United States		Contact us to have your company added here!
STC No.: ST01857SE	Status: Current	App Date: 06/19/2006	Rev Date: 12/19/2014
TC Nos.: A2NM,
Models: The Boeing Company: 757-200 Series
ACO: AIR-770: West Certification Branch SEA
Increase of the Maximum Zero Fuel Weight