Stc Twenty One Limited
Holds 8 approved modifications, most of them for the Boeing 757. FAA spelling: STC Twenty One Limited.
Approved modifications 8 · newest first
Boeing 757 3Airbus A319 2Airbus A320 2Boeing 737 2Aerospatiale/Aeritalia ATR 42 1Aerospatiale ATR 72 1Airbus A321 1Atr-Gie Avions De Trnsp Region ATR42 1Atr-Gie Avions De Trnsp Rgnl ATR 72 1Boeing Of Canada/Dehav Div DHC-8 1Boeing 717 1Bombardier BD-100 Challenger 300 and 350 1
2024-06-14ST00204IB · Installation of Structural Provisions for a Swift Broadband Antenna · Galaxy, Gulfstream 200
2023-02-22ST00098IB · Introduction of ADS-B Out · A318-111, A318-112, A318-121
2022-12-16ST02676LA · Installation of palletized aerial dispersant of liquids tanker system · 737-400 Series
2021-07-02ST04648NY · Installation of VIP Cabin Interior; 737-8, serial number 61329 · 737-8
2019-10-23ST04417NY · Activation of the FeiTian System Media Server with Cabin Wi-Fi · A319-111, A320-214
2019-10-04ST03687NY · Installation of Alternate Cargo Net Location Layout · 340A (SAAB SF340A), SAAB 340B
2019-02-26ST04305NY · Installation of ADS-B Out · 757-200 Series, 757-300 Series
2018-02-26ST04061NY · Activation of Controller Pilot Data Link Communications · 757-200 Series
Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.