TypesA320neo family A220 737 MAX 737NG E-Jets E2 A350 A330neo A380 787 Dreamliner 777X 777 767 ATR 42/72 Dash 8 Q400 CRJ E175 Gulfstream G700 Bombardier Global 7500 Dassault Falcon Cessna Citation Embraer Praetor Cirrus SR22 Piper Cessna 172 Diamond F-35 F-16 F-15EX Rafale Eurofighter Gripen KC-46 C-130J A400M Black Hawk AW139 Joby Archer Beta 777F 777-8F A350F 767-300BCF 737-800BCF A330-200F T-6 Texan II T-7A PC-21 M-346 P-8A E-7 KC-390 RC-135 E-2D 757 767 747-8 MD-11F A330ceo CRJ-200 COMAC C919 and C929 Yakovlev MC-21 Twin Otter Caravan Kodiak utility attack search and rescue offshoreManufacturersAirbus Boeing Embraer ATR Bombardier Gulfstream Textron Aviation Dassault Lockheed Martin Northrop Grumman Leonardo COMAC PilatusSystemsCFM LEAP Pratt & Whitney GTF Rolls-Royce Trent GE9X GEnx Avionics & flight decks Composite structures Landing gear Fuel systems & SAF compatibility Cabin systems Auxiliary power units Flight control laws and fly by wire architectures Ice and rain protection Oxygen and pressurisation systems Lithium battery safety and containment Wiring interconnection systems folding wingtips laminar flow high aspect ratio Additive manufactured parts in service Cabin air: bleed and bleedless architectures More electric aircraft actuation Health monitoring and predictive maintenanceProgrammesIn certification First flight watch Production rates Order backlog Delivery delays Programme cancellations type inspection authorisation function and reliability testing Flight test fleet composition and hours flown Supplier readiness and travelled work Rate breaks and inventory build Programme accounting, deferred production cost and forward loss charge Launch customers, firm orders, options and letters of intent Escalation and why list prices disappeared Entry into service slips and how they are announced Programme pauses and cancellationsSafetyAirworthiness directives Service bulletins Accident investigations Type-specific incident history Groundings NTSB, BEA, AAIB and how national investigation bodies differ The ICAO Annex 13 process Preliminary compared with final reports and what each may say Emergency airworthiness directives Continued airworthiness notifications to the international community How a fleet grounding is lifted Ageing aircraft, widespread fatigue damage and life limits Bird strike and engine ingestion certification Runway excursion and design contributions Uncontained engine failure and containment testing Safety recommendations and whether they were adoptedNewsCertification and regulatorsFederal Aviation Administration type certification and organisation de European Union Aviation Safety Agency Transport Canada Civil Aviation ANAC Brazil Civil Aviation Administration of China Amended type certificates and supplemental type certificates Production certificates and delegation Certification basis, special conditions and equivalent levels of safet Validation of a foreign certificate Continued airworthiness and the operator's obligations Certification reform after the 737 MAX and what changedFleets and operatorsUnited States majors and their fleet plans FedEx Express UPS Airlines Atlas Air Kalitta Air AerCap Air Lease Corporation Avolon SMBC Aviation Capital BOC Aviation Aviation Capital Group Government, head of state and VIP fleets Air forces operating each western type Victorville Pinal Roswell Marana Part out, teardown and the used serviceable material market Fleet age, utilisation and retirement curves Who operates what and where each type actually flies

Oxygen and pressurisation systems

Oxygen and pressurisation systems - reporting from Span and Spar.

No articles filed here yet. New reporting appears as it is published.

Span and Spar covers Aircraft.

About · Editorial policy · Privacy · Contact · RSS

© 2026 spanandspar.com. Independent publication. All articles are written from reported sources, which are linked on every page.