✔SAF is used by blending (50/50 blend) conventional ATF (fossil-based) with Renewable hydrocarbon. ✔They are certified as “Jet-A1” fuel & can be used without any modifications to aircraft/engine. ✔SAF term is preferred by the aviation industry because unlike SAFs, Biofuels are produced from unsustainable biological (plant/animal) resources like palm oil or crops that require deforestation. […]
January 2021
Busy day for Boeing, Historic Revenue Losses, B777X entry of Service postponed, EASA clears B737-Max for European Skies. What’s More?
✈Wednesday Morning was not Normal, Boeing CEO Dave Calhoun termed 2020 “a year of profound societal & global disruption, which significantly impacted aviation industry.” ✈The Historic:Boeing suffered a massive $11.9 billion loss in 2020, largest in it’s history since inception. ✈The Shocker:Much awaited B777X’s entry into service is delayed till 2023 & its market has […]
A risk of accident if the tubes are blocked
Thanks to dynamic pressure, the pilots of an airplane know the relative wind: it is the wind experienced by the moving aircraft. You can compare it to the feeling you would have when you put your hand out of the open window of a moving car. Relative wind is essential for pilots to keep the […]
Incident – Pegasus Airlines, flight PC939
Incident – Pegasus Airlines, flight PC939 ( Istanbul to Basel ) , landed at EuroAirport Basel-Mulhouse-Freiburg with it’s nose landing gear rotated about 90 degrees. Tires are also damaged as a result of the dragging on the runway. No injuries reported , but air traffic was disrupted in Basel. Probable cause may be Possible faults […]
Cosmic Girl launches LauncherOne
‘Cosmic Girl’ launches ‘LauncherOne’ – Virgin Orbit launches a 70 feet Rocket named LauncherOne Using Boeing747 aircraft nicknamed Cosmic Girl. Virgin Orbit’s 747 took off from California around 10:30 am PT with the rocket nestled beneath the aircraft’s left wing. While flying over the Pacific Ocean, the rocket was released, & allowing it to power […]
Lessons Learned from the Tenerife Airport Disaster
A terrorist incident at Gran Canaria Airport had caused many flights to be diverted to Los Rodeos, including the two aircraft involved in the accident. The airport quickly became congested with parked airplanes blocking the only taxiway and forcing departing aircraft to taxi on the runway instead. Patches of thick fog were drifting across the […]
How Natural Laminar Flow (NLF) shaped Airbus’s BLADE (Breakthrough Laminar Aircraft Demonstrator in Europe) project under the EU’s Clean Sky programme ?
How Natural Laminar Flow (NLF) shaped Airbus’s BLADE (Breakthrough Laminar Aircraft Demonstrator in Europe) project under the EU’s Clean Sky programme ?What was the outcome ? ✔Controlling the Laminar airflow over the wing surface to push transition point is the key. ✔NLF is the advanced leading edge technology, applied on the wing for fuel efficiency […]
How do Manufacturers (OEMs) plan for a Commercial Aircraft engine concept design ? What Challenges & factors shape the final product ?
✔First thing Airframers like ‘Airbus’ & ‘Boeing’ do to their ‘aircraft design plan’ is to involve a ‘Propulsion system maker’ like GE, Rolls-Royace, P&W or others. ✔Sometimes this chemistry between Airframer & Engine maker does not work. ✔Last week, we witnessed Rolls-Royace freezing it’s ambitious ‘UltraFan’ Project despite deep financial back up, much hype & […]
Hard landing
Hard landing & extensive damage to Center fuselage- West Atlantic Boeing 737-400 freighter [G-JMCY] suffered a hard landing at Exeter airport ,EN (UK) at 02:34Z. Cargo could not be offloaded due extensive damage . Freighter was performing a flight NPT-05L from East Midlands to Exeter, (UK). No injuries reported yet. Author – Tanmay PaleiSr. Aircraft […]
Sriwijaya Air aircraft didn’t fly for nearly 9 months last year (2020), due to pandemic.
Questions without being Judgemental – Today, Indonesia’s transportation ministry Revealed that the ill Fated Sriwijaya Air aircraft didn’t fly for nearly 9 months last year (2020), due to pandemic. ✔The 26 years old jet (MSN27323) got grounded in late March-20 & re-started flying on 19th Dec Non-commercially & flew passengers on 22nd Dec again. ✔So, […]
How does an Aircraft make journey from a Type certificate (TC) to Certificate of Airworthiness (C of A) ? What is the need of STC ?
How does an Aircraft make journey from a Type certificate (TC) to Certificate of Airworthiness (C of A) ? What is the need of STC ? ✔Certification is a regulatory obligation for all aircrafts, their engines & propellers. ✔Introduced by one of the UK’s first Secretary of State for Air-Winston Churchill ,Type Certificate (TC) is […]
Why is Boeing not happy even after Re-certification of Boeing 737-Max ?
Why is Boeing not happy even after Re-certification of Boeing 737-Max ? How B787 Dreamliner’s Dormant Structural Woes are going to bite the aerospace giant real hard, atleast financially ? ✔Once Undisputed King of the Aerospace world, Boeing is facing issues one after another. ✔The Issue: 👉B787’s Carbon composite Fuselage & Horizontal stabilizer segments found […]
Air crash Investigation ! Lessons Learned
From the Vault -Lessons Learned from Aircrash Investigation ! ✈On April 17th, 2018, Southwest Airlines Boeing 737 operating as Flight 1380 suffered uncontained engine failure, when a fan blade broke off from it’s turbofan engine on the left side of the jet. ✈The failure threw engine shards/Cowl FOD against the side of the jet causing […]
Aircraft Stall Warning – Aerodynamic Stall Recovery Steps.
Below steps are life Saver at the first indication of a stall ( stick shaker, stick pusher, buffet or aural or visual warning) during any flight phases except at lift off. 🛩Autopilot & autothrottle–DisconnectReasoning: While maintaining the attitude of the aircraft, disconnect the autopilot & autothrottle.Manual control is essential to recovery in all situations. 🛩Pitch […]
Emergency – Dual bleed loss Scenario of A320 family / A330 aircraft inflight – Crew action !
Emergency – Dual bleed loss Scenario of A320 family / A330 aircrafts inflight – Crew action ! ✈ Dual bleed Loss Scenario : 👉 A Dual Bleed Loss situation corresponds to the loss of both engine bleed air systems. 👉 The Loss of the first bleed system may be either be triggered inflight or dispatch […]
How FADEC (Full Authority Digital Engine Controls) has revolutionized?
How FADEC (Full Authority Digital Engine Controls) has revolutionized the Aviation industry & Modern Turbofan Engine Operations in terms of Autonomy, Reliability & Efficiency through micro-management? ✔Back in 1970s ,Baby steps were taken & Digital Engine Controls were introduced with the ‘DEEC’ for the PW JT9D engines. ✔By 1980s, demand surged, ‘FADEC’ had to evolve […]