ELOS

Recent

• 03/23/2026

  ODA- GED-P278-25.251(b)

  Equivalent Level of Safety (ELOS) Finding for Vibration/Buffeting Compliance Criteria, Large Antenna Installation

  ALOFT AeroArchitects · Airbus SAS A320-111 | A320-211 | A320-212 | A320-214 | A320-216 | A320-231 | A320-232 | A320-233 | A320-251N | A320-252N | A320-253N | A320-271N | A320-272N | A320-273N | A321 Model -131

• 03/23/2026

  ST20568CH-T-A-25.251

  Equivalent Level of Safety (ELOS) Finding Vibration and Buffeting

  Avcon Industries Inc. · Bombardier Inc. CL-600-2B16 (604 Variant)

• 02/02/2026

  AMI-PRG-0410-01-T-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration/Buffeting Compliance Criteria, Starlink Aero Terminal Installation

  AeroMech Incorporated · Airbus SAS A321-251N | A321-252N | A321-253N | A321-271N | A321-272N | A321-251NX | A321-252NX | A321-253NX | A321-253NY | A321-271NX | A321-271NY | A321-272NX

• 01/28/2026

  ENV25053-T-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  Envoy Aerospace LLC · The Boeing Company 777-300ER Series

• 01/28/2026

  ADC-0201-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements for the Galileo HDX with GOGO System

  Aerospace Design & Compliance LLC · Learjet Inc. 60

• 01/26/2026

  ODA-ADC-0206-SE-1

  Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for Effects on Pilot Compartment View

  Aerospace Design & Compliance LLC · The Boeing Company 737-900 Series | 737-900ER Series

• 01/26/2026

  ODA-ADC-0201-SE-1

  Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for Effects on Pilot Compartment View

  Aerospace Design & Compliance LLC · Learjet Inc. 60

• 01/09/2026

  AT20750IB-T-ESF-B25.251-01

  Equivalent Level of Safety (ELOS) Finding for Vibration/Buffeting Compliance Criteria, Large Antenna Installation

  Dassault Aviation · Dassault Aviation Falcon 900EX

• 12/29/2025

  AT11910IB-A-23.1303

  Equivalent Level of Safety (ELOS) Finding for Indications removal from Primary Flight Displays during ground phase

  Daher/Socata A/S · Daher Aerospace TMB 700

• 12/16/2025

  ODA-GED-P385-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements for the Installation of a VIASAT Ka SATCOM Structural Provisions System

  AeroArchitects · The Boeing Company 737-8

• 12/09/2025

  ODA-ADC-0214-SE-1

  Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for Effects on Pilot Compartment View

  Aerospace Design & Compliance LLC · The Boeing Company DC-9-81 (MD-81) | DC-9-82 (MD-82) | DC-9-83 (MD-83) | DC-9-87 (MD-87) | MD-90-30 | MD-88

• 11/26/2025

  SA-02-2024-0018-C-2

  Equivalent Level of Safety (ELOS) Finding for Gulfstream Aerospace Corporation’s Project on Model G300, Project No. SA-02-2024-0018 - Emergency Exit Marker, Locator and Bulkhead/Divider Signs

  Gulfstream Aerospace Corporation · Gulfstream Aerospace LP G300

• 11/25/2025

  AT20368IB-T-SE-101

  Equivalent Level of Safety (ELOS) Finding for High Elevation Airport Operations

  ATR – GIE Avions de Transport Régional · ATR – GIE Avions de Transport Régional ATR42-200 | ATR42-300 | ATR42-320 | ATR42-500 | ATR72-101 | ATR72-102 | ATR72-201 | ATR72-202 | ATR72-211 | ATR72-212 | ATR72-212A

• 11/21/2025

  SA00767MC-T-S-1-GV-SP

  Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for effects on Pilot compartment view

  Gulfstream Aerospace Corporation · Gulfstream Aerospace Corporation GV-SP

• 11/21/2025

  3S22-021-01-00-SE-2

  Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for Effects on Pilot Compartment View

  3S Certification LLC · De Havilland Aircraft of Canada Limited DHC-8-202

• 11/06/2025

  AT19460IB-R-29.923 & 29.927

  Equivalent Level of Safety (ELOS) for Rotor drive system and control mechanism tests: Endurance and additional tests by test rig.

  Leonardo S.p.A. · Leonardo S.p.A. AW189

• 10/23/2025

  ST20308IB-T-25.251(b)

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  PMV Engineering · ATR – GIE Avions de Transport Régional ATR72-212A

• 10/23/2025

  ST20212IB-T-25.251(b)

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  Alamo Engineering GmbH · Textron Aviation Inc. 680 | 680A

• 09/23/2025

  AT20300IB-T-ESF-B25.251-01

  Equivalent Level of Safety (ELOS) Finding for Vibration/Buffeting Compliance Criteria, Large Antenna Installation

  Dassault Aviation · Dassault Aviation FALCON 2000EX

• 09/17/2025

  ST19548IB-R-C-1

  Equivalent Level of Safety (ELOS) Finding for Passenger Emergency Exits – Other than Side-of-Fuselage

  M.A.G. Mecaer Aviation Group S.P.A. · Airbus Helicopters H160-B

• 09/15/2025

  ST19548IB-R-C-2

  Equivalent Level of Safety (ELOS) Finding for Ditching Emergency Exits for Passengers

  M.A.G. Mecaer Aviation Group S.P.A. · Airbus Helicopters H160-B

• 09/10/2025

  ODA-GED-P377-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements for the installation of a GoGo FDX Electronically Steerable Antenna (ESA) Fuselage Mounted Antenna (FMA) and associated In Flight connectivity components

  ALOFT AeroArchitects · The Boeing Company 737-700 Series

• 09/09/2025

  ODA-25-P2007-T-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration/Buffeting Compliance Criteria for External Modifications Installed on Model Learjet 45 airplanes

  Peregrine · Learjet Inc. 45

• 08/28/2025

  ST20186IB-T-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  Airhawke Aérospatial Inc. · The Boeing Company 737-700 Series

• 08/27/2025

  ST11148IB-T-S-5 Regulatory

  quivalent Level of Safety (ELOS) Finding for Equipment, Systems, and Installation Requirements: Use of ARAC Recommendations to 14 CFR 25.1301 and 25.1309

  Israel Aerospace Industries (IAI) · The Boeing Company 777-300ER Series

• 08/20/2025

  ST11148IB-T-ES-2

  Equivalent Level of Safety (ELOS) Finding for Pneumatic Systems – Harmonized 25.1438

  Israel Aerospace Industries (IAI) · The Boeing Company 777-300ER Series

• 08/20/2025

  ST11148IB-T-SE-1

  Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for Effects on Pilot Compartment View

  Israel Aerospace Industries (IAI) · The Boeing Company 777-300ER Series

• 08/20/2025

  ST11148IB-T-ES-1

  Equivalent Level of Safety (ELOS) Finding for the Model 777- 300ER P2F for Inadvertent Detection of Smoke in Lower Lobe aft Class C Cargo Compartment during a Main Deck Class E Cargo Compartment fire

  Israel Aerospace Industries (IAI) · The Boeing Company 777-300ER Series

• 08/05/2025

  ST11148IB-T-A-4

  Equivalent Level of Safety (ELOS) Finding for Freedom from Widespread Structural Fatigue Damage on Israel Aerospace Industries (IAI) Model Boeing 777 -300ERSF Passenger-to-Freighter Conversion, Project

  Israel Aerospace Industries (IAI) · The Boeing Company 777-300ER Series

• 08/01/2025

  AT19534IB-T-ESF-B25.251-01

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting

  Dassault Aviation · Dassault Aviation Falcon 7X

• 07/31/2025

  ST19358IB-T-B-03

  Equivalent Level of Safety (ELOS) Finding for Vibration/buffeting compliance criteria for large external antenna installation

  Jet Aviation AG · The Boeing Company 737-9

• 07/31/2025

  ST19358IB-T-PCRI-0000492

  Equivalent Level of Safety (ELOS) Finding for Vibration/buffeting compliance criteria for large external antenna installation

  Jet Aviation AG · The Boeing Company 737-8

• 07/30/2025

  ENV25023-T-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  Nextant Aerospace · Embraer S.A. 550

• 07/29/2025

  ST19206IB-T -25.251(b)

  Equivalent Level of Safety (ELOS) Finding for Vibration/Buffeting Compliance Criteria, Large Antenna Installation

  EADS Airbus GmbH · Airbus SAS A350-941 | A350-1041

• 07/24/2025

  ST18939NY-T-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  Kilroy Aviation LLC · Bombardier Inc. CL-600-2B16 (604 Variant)

• 07/21/2025

  ODA-2193-09-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  Delta Engineering Corporation · Airbus SAS A330-301 | A330-302 | A330-303 | A330-321 | A330-322 | A330-323 | A330-341 | A330-342 | A330-343

• 07/14/2025

  PS05-0212-P-4

  Equivalent Level of Safety (ELOS) Finding for Warning Means for Engine Fuel Filter Contamination

  The Boeing Company · The Boeing Company 747-8 Series | 747-8F Series

• 06/23/2025

  ENV25006-T-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  West Star Aviation LLC · Embraer S.A. EMB-545

• 06/18/2025

  TC11070IB-T-CRI-F-43

  Equivalent Level of Safety (ELOS) Finding for Landing Light Single Switch

  Dassault Aviation · Dassault Aviation Falcon 10X

• 06/17/2025

  AT18777IB-T-25.979-1

  Equivalent Level of Safety (ELOS) Finding for Pressure Fueling System Shut-off Operation Check on Airbus Model A321neo Extra- Long Range (XLR) Airplanes with Optional Forward Additional Center Tank (ACT)

  Airbus SAS · Airbus SAS A321-253NY

• 06/16/2025

  PS25-0108-P-26

  Equivalent Level of Safety (ELOS) Finding for Fire Requirements on Fire Safety Requirements for the GE90-110/-115B Engine Fan Case

  Boeing Commercial Airplane Group · The Boeing Company 777-200LR Series | 777-300ER Series | 777F Series

• 06/06/2025

  ENV25021-T-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements

  Nextant Aerospace · Bombardier Inc. BD-700-1A10 | BD-700-1A11

• 05/23/2025

  ADC-0207-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements for the SpaceX Starlink Aviation System

  Aerospace Design & Compliance LLC · Embraer S.A. EMB-145XR

• 05/22/2025

  ODA-ADC-0202-SE-1

  Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for Effects on Pilot Compartment View on installation of the SpaceX Starlink Aviation System

  Aerospace Design & Compliance LLC · MHI RJ Aviation ULC CL-600-2C11 (Regional Jet Series 550)

• 05/08/2025

  ADC-0202-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements for the SpaceX Starlink Aviation System

  Aerospace Design & Compliance LLC · MHI RJ Aviation ULC CL-600-2C11 (Regional Jet Series 550)

• 05/08/2025

  ST18985IB-T-25.251(b)

  Equivalent Level of Safety (ELOS) Finding for Vibration/Buffeting Compliance Criteria, Large Antenna Installation

  Sabena Technics GBC · Airbus SAS A318 Model -111 | A318 Model -112 | A319 Model -111 | A319 Model -112 | A319 Model -113 | A319 Model -114 | A319 Model -115 | A319 Model -131 | A319 Model -132 | A319 Model -133

• 04/29/2025

  PS13-1000-C-9

  Inside Passenger Door Operational Arrow Location and Color

  The Boeing Company · The Boeing Company 777-8F | 777-9

• 04/23/2025

  Aerospace Design & Compliance LLC

  Equivalent Level of Safety (ELOS) Finding for Flight Test Requirements for Effects on Pilot Compartment View on installation of Galileo HDX with GoGo Avance Platforms (Cabin WiFi System) i

  Aerospace Design & Compliance LLC · Gulfstream Aerospace LP Gulfstream 200 | Galaxy

• 04/08/2025

  AT10383IB-T-P-1038

  Firewall Caps and Seals Fire Withstanding Capability

  Airbus SAS · Airbus SAS A350-1000 | A350-941

• 03/26/2025

  ADC-0193-25.251

  Equivalent Level of Safety (ELOS) Finding for Vibration and Buffeting Requirements for Dual SpaceX Starlink Aviation Aero Terminals

  Aerospace Design & Compliance LLC · The Boeing Company 777-200LR Series