Low Level Wind Shear Alert System (LLWAS)

Definition

A Low Level Wind Shear Alert System (LLWAS) is a ground-based device used to locate wind shear and associated climate phenomena, such as microbursts, near an airport; mainly alongside the runway corridors. This facts can then be passed, in real-time, to warn pilots and aerodrome services.Low Level Wind Shear is defined as a sudden alternate of wind speed and/or course in both the vertical or horizontal planes. At low level, i.e. When plane are departing from or landing at an aerodrome, wind shear can present a severe chance to flight safety. Therefore, well timed warnings are crucial to assist pilots reply appropriately.

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Jet Stream

Definition

Jet Stream is defined as a flat tubular current of air, quasi-horizontal, whose axis is along a line of maximum speed and which is characterised not only by great speeds but also by strong transverse (horizontal and vertical) gradients of speed (World Meteorological Organisation).

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Clear Air Turbulence (CAT)

Definition

Clear Air Turbulence (CAT)  is described as sudden severe turbulence taking place in cloudless areas that causes violent buffeting of aircraft.

This term is generally implemented to higher altitude turbulence associated with wind shear.

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Analysis of Serious Incident B 737-800 at Cochin, Trivandrum on 18 Aug 15

On 17/08/2015, Boeing B737-800 aircraft was scheduled to operate sector Doha-Cochin. Both the operating crew were duly qualified on type B737 aircraft to operate the flight. There were 142 passengers and 08 crew members on board the aircraft. The flight departed Doha at 1940 UTC and was uneventful until top of descent into Cochin. At the time of departure from Doha, weather of Cochin, Bangalore, time 0900 UTC only was available with the crew. Read More

AVIATION SAFETY SURVEY-NOVEMBER, 2019

 

01 Nov 19-Replace old engines on 97 aircraft by Jan ‘at all costs’: DGCA to Indigo.

 

Aviation regulator DGCA asked Indigo on Friday to replace Pratt and Whitney (PW) engines of 23 A320neo planes by November 19 or else they would be grounded.

The regulator also asked Indigo that all 97 such aircraft in its fleet must have modified PW engines by January 31 next year “at all costs”. Read More

Apply now online to be a Trainee Cabin Crew with Air India Express

Air India Express is now recruits Trainee Cabin Crew to appoint for a period of five years. The airline will also be preparing a wait list to fill future vacancies. The selected candidates will also be required to undertake ground duties at different stations, at the Airport/Office, as per requirements.

Details of vacancies

  • SC 14
  • ST 6
  • OBC 22
  • Un Reserved 44

Total 86

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Precautionary landings of helicopters VT-PHY on due bad weather.

On 03 May 2018, at 1055 hours helicopter VT-PHY carried out a precautionary landing at Ravulapalem (16 45.549 N, 082 50.030 E), On a radial of 178 at a distance of 21 Nautical Miles from Rajahmundry (RJM 178/21 NM) on its return to Rajahmundry Airfield (VORY) from a ONGC offshore crew Change sortie. As per the onboard weather radar all around Rajahmundry Airfield, Yanam Reliance base and Surasini Yanam Helibase was covered with bad weather. The crew were negotiating bad weather en-route took timely action to land immediately at suitable nearest place to avoid bad weather conditions. The pilots had filed Visual Flight Rules flight plan for a Crew Change sortie to an Offshore floater platform named Aban Abraham, located on Rajahmundry VOR (RJM) On. A radial of 147 – at a distance of 56 NM at on continued the flight under Visual Flight Rules. Before and after executing the precautionary landing Rajahmundry ATC, ONGC Helibase at Kakinada and Cairn Energy Helibase at Surasini Yanam were communicated on Aero VHF and Land Line respectively.

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As Major Equipment Failed, How Air India Pilots Landed With 370 On Board

Aviation Safety Management Society Of India (ASMSI) commends Captain Rustom Palia, commanding an Air India Boeing 777-300,  AI-101 on Sept 11 2018,  for his out of the box thinking & excellent problem solving skills under adverse conditions. He saved 370 occupants of flight  AI-101 by landing the aircraft manually under adverse weather conditions and multiple system failures. Well Done !

“We’re really, you know, stuck and there’s no fuel,” a terse message from Captain Rustom Palia, commanding an Air India Boeing 777-300 to Air Traffic Control in New York.

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