The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11
DataBases updated: Apr 4th, 2025
Home Products Library Support Account Login Contact

STC Holder: Cascade STC LLC

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

No. of STCs: 6

STC Holder: Cascade STC LLC
Address: 8500 Perimeter Road S., Seattle, WA 98108, United States
Contact us to have your company added here!
STC No.: SH4344NMStatus: HistoricalApp Date: 07/26/1988Rev Date: 04/09/2014
TC Nos.: H3WE,
Models:
MD Helicopters Inc.:
369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Replace existing fiberglass strut leg fairings with aluminum fairings
STC Holder: Cascade STC LLC
Address: 4824 S 283rd Place, Auburn, WA 98001, United States
Contact us to have your company added here!
STC No.: SH4344NMStatus: CurrentApp Date: 07/26/1988Rev Date: 12/22/2015
TC Nos.: H3WE,
Models:
MD Helicopters Inc.:
369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N
ACO: AIR-770: West Certification Branch SEA
Replace existing fiberglass strut leg fairings with aluminum fairings
STC Holder: Cascade STC LLC
Address: 8500 Perimeter Road S., Seattle, WA 98108, United States
Contact us to have your company added here!
STC No.: SH4909NMStatus: HistoricalApp Date: 12/11/1989Rev Date: 04/09/2014
TC Nos.: H3WE,
Models:
MD Helicopters Inc.:
369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Replace the aft engine compartment heat blanket with a stainless steel firewall.
STC Holder: Cascade STC LLC
Address: 4824 S 283rd Place, Auburn, WA 98001, United States
Contact us to have your company added here!
STC No.: SH4909NMStatus: CurrentApp Date: 12/11/1989Rev Date: 12/22/2015
TC Nos.: H3WE,
Models:
MD Helicopters Inc.:
369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, 600N
ACO: AIR-770: West Certification Branch SEA
Replace the aft engine compartment heat blanket with a stainless steel firewall.
STC Holder: Cascade STC LLC
Address: 8500 Perimeter Road S., Seattle, WA 98108, United States
Contact us to have your company added here!
STC No.: SR00197SEStatus: HistoricalApp Date: 04/12/1995Rev Date: 04/09/2014
TC Nos.: H10WE,
Models:
Robinson Helicopter Company:
R22, R22 ALPHA, R22 BETA, R22 MARINER
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Addition of strug leg fairings to landing gear.
STC Holder: Cascade STC LLC
Address: 4824 S 283rd Place, Auburn, WA 98001, United States
Contact us to have your company added here!
STC No.: SR00197SEStatus: CurrentApp Date: 04/12/1995Rev Date: 12/22/2015
TC Nos.: H10WE,
Models:
Robinson Helicopter Company:
R22, R22 ALPHA, R22 BETA, R22 MARINER
ACO: AIR-770: West Certification Branch SEA
Addition of strug leg fairings to landing gear.