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B772
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Joined: 21 Jan 2007
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 Posted: Sat May 05, 2007 4:26 pm Post subject: AI fuel leak |
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| An LHR bound AI 747-400 met with a bizzare incident earlier this week at Kolkata's NSCBI airport. The flight having just arrived from DAC was being refuelled when a lot of fuel overflowed and landed up on the tarmac. Reports say that there was some problem with one of the valves.Fire engines were put to service and saw dust was used to dry up the slippery and dangerous surface. However AI decided it was to dangerous to start the airplanes engines and delayed the flight. AI simply put the whole thing down as a technical snag. Too many snags recently for passenger confidence. The flight was carrying a full load of passengers from Kolkata to London-Heathrow. |
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HAWK21M
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| Posted: Sat May 05, 2007 5:20 pm Post subject: |
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Refuelling using the Override & not following precautions.
Why did they not considering towing the Aircraft to a different bay & then start up.
regds
MEL
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stealthpilot
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| Posted: Sat May 05, 2007 9:51 pm Post subject: |
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| HAWK21M wrote: | Refuelling using the Override & not following precautions.
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Mel, could you elaborate on that please?
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HAWK21M
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| Posted: Sat May 05, 2007 10:45 pm Post subject: |
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Most Refuelling SOVs autoshutout when the Tanks are full.In case the unit malfunctions.A manual override is used to force open the SOV.There is danger of overfilling & spillage from the Vent tank at the tip if not monitored.
Presuming this is what occured.
regds
MEL
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the_380
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| Posted: Sat May 05, 2007 11:58 pm Post subject: |
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I've seen a few cases of IC A300's fuel leak while re-fuelling at SHJ, and they fine a heavy sum of 500 Dhs = approx. 6500 INR... dunno the fines these days.
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Last edited by the_380 on Tue May 08, 2007 11:34 am; edited 1 time in total |
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Birendra
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| Posted: Sun May 06, 2007 6:51 pm Post subject: |
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What is an SOV?
How does a refulling take place? |
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HAWK21M
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| Posted: Mon May 07, 2007 10:43 am Post subject: |
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| Birendra wrote: | What is an SOV?
How does a refulling take place? |
SOV....Shut off valve.Its solenoid operated,Electrically controlled,mechanically moves the Valve to allow or restrict Fuel flow.
ReFuelling can be done Two ways....Gravity or Pressure.Most modern Airliners use the latter with backup former.
The Fuel bowser is connected to the Aircraft with Grounding points between Bowser & Tarmac,Aircraft & Tarmac,Aircraft & Bowser & Nozzle to Aircraft.
After checking that the Fuel sample is clear of contamination & water.When Flight despatch conveys to Dep Fuel to Mx.It is electronically fed into the control panel.[Wing tanks filled max before ctr tank has fuel depending on dep fuel].
Remember Fuel from Bowser is in litres [volume] but registered on Aircraft in Weight [kgs or lbs].Calculations take into account the Sp gravity of the ATF.
regds
MEL
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stealthpilot
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| Posted: Tue May 08, 2007 8:24 am Post subject: |
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| the_380 wrote: | | I've seen a few cases of IC A300's fuel leak while re-fuelling at DXB, and they fine a heavy sum of 500 Dhs = approx. 6500 INR... dunno the fines these days. |
5500 rupees, not exactly a heavy sum 
| HAWK21M wrote: |
Remember Fuel from Bowser is in litres [volume] but registered on Aircraft in Weight [kgs or lbs].Calculations take into account the Sp gravity of the ATF.
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Yup, pilots care about weight not volume (doesn’t change with altitude)
Thanks for the earlier info, if it turns out they did use the override & not follow procedures or precautions, very, very dangerous indeed.
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HAWK21M
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| Posted: Tue May 08, 2007 10:16 am Post subject: |
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[quote="stealthpilot"] | the_380 wrote: | | I've seen a few cases of IC A300's fuel leak while re-fuelling at DXB, and they fine a heavy sum of 500 Dhs = approx. 6500 INR... dunno the fines these days. |
5500 rupees, not exactly a heavy sum
[quote]
The Airport Authorities staff when Informed at BOM arrive at the scene with those sawdust bags & brooms,sometimes with more sophesticated equipment depending on the spill.
Fines are imposed only if the spill is massive.
regds
MEL
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the_380
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| Posted: Tue May 08, 2007 11:37 am Post subject: |
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| stealthpilot wrote: |
5500 rupees, not exactly a heavy sum
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ude thats 6,500  And for an old A300, a bit of fuel spilling out while refuelling can occur even if the AME leaves the aircraft during refuelling for even 5-6 minutes. So their airport authorities can expect a minimum revenue of 2-3 times fuel leak from IC a week 
And even if it is too little in quantity, there's no way out without the fine.
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HAWK21M
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| Posted: Tue May 08, 2007 11:58 am Post subject: |
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| the_380 wrote: | | stealthpilot wrote: |
5500 rupees, not exactly a heavy sum
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ude thats 6,500 And for an old A300, a bit of fuel spilling out while refuelling can occur even if the AME leaves the aircraft during refuelling for even 5-6 minutes. So their airport authorities can expect a minimum revenue of 2-3 times fuel leak from IC a week
And even if it is too little in quantity, there's no way out without the fine. |
Avi........Explain How a bit of fuel spills out during refuelling.Why AME would leave the Aircraft during Refuelling.
And you are saying that even small fuel leak has a fine.Which is not true.
regds
MEL
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the_380
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| Posted: Tue May 08, 2007 12:13 pm Post subject: |
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| Quote: | Avi........Explain How a bit of fuel spills out during refuelling.Why AME would leave the Aircraft during Refuelling.
And you are saying that even small fuel leak has a fine.Which is not true. |
Not much idea, but i've heard about the pain during these aircraft's being refuelled especially because two AMEs at night have to clear around 3-4 flights. So incase they leave it to those folks who are not aware about it, it does take place. Not much of tech info however into that. Will try to get.
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HAWK21M
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| Posted: Tue May 08, 2007 1:10 pm Post subject: |
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Avi. A Fuel leak even from the nozzle is a no go.The Refuelling agency HAS TO connect the 2nd hose or get a new bowser.Period.
The AME on duty needs to stick to rules.
Agreed sometimes AMEs have to cater to multiple ops,but thats what Technicians are for,After sample check the AME can hand over refuelling to the Technician who is qualified to do the Refuelling job.In case of any abnormal situation.The tech informs the AME & does not unilaterally decide.
If the rules are followed.Nothing will go wrong.
regds
MEL
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the_380
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| Posted: Tue May 08, 2007 1:15 pm Post subject: |
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| Quote: | | but thats what Technicians are for |
Most of those on duty in postings only come to the airport to play Minesweeper and Freecell in the computers over there 
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HAWK21M
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| Posted: Tue May 08, 2007 5:22 pm Post subject: |
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| the_380 wrote: | | Quote: | | but thats what Technicians are for |
Most of those on duty in postings only come to the airport to play Minesweeper and Freecell in the computers over there |
Don't the Managers have command.Its surprising that Mx staff can behave this way & not be corrected.
The AMEs in charge need to take action.One can't play games during work hrs.
regds
MEL
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the_380
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| Posted: Tue May 08, 2007 11:43 pm Post subject: |
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| HAWK21M wrote: |
Don't the Managers have command.Its surprising that Mx staff can behave this way & not be corrected.
The AMEs in charge need to take action.One can't play games during work hrs.
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Mx Staff related to techs. AMEs slog at the end then (except few techs who are sincere, rest of them are drunk most duty nights in places like BOM)
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HAWK21M
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| Posted: Wed May 09, 2007 7:09 am Post subject: |
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| the_380 wrote: | | HAWK21M wrote: |
Don't the Managers have command.Its surprising that Mx staff can behave this way & not be corrected.
The AMEs in charge need to take action.One can't play games during work hrs.
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Mx Staff related to techs. AMEs slog at the end then (except few techs who are sincere, rest of them are drunk most duty nights in places like BOM) |
Drunk on duty.These are Mx staff.Are you sure.And they are permitted access to the Aircraft.
regds
MEL
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stealthpilot
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| Posted: Wed May 09, 2007 9:08 am Post subject: |
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Avi, what you are saying was probably a confined incident that became urban legend.
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the_380
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| Posted: Wed May 09, 2007 11:37 am Post subject: |
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| Quote: | | Drunk on duty.These are Mx staff.Are you sure.And they are permitted access to the Aircraft. |
This topic will completely go OT incase u want me to reveal other incidents. but i will not. If u say so i can PM those to you.
But one thing's for sure it's true Mel, u know my source is strong enough to clarify that
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HAWK21M
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| Posted: Sat May 12, 2007 9:20 pm Post subject: |
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| the_380 wrote: | | Quote: | | Drunk on duty.These are Mx staff.Are you sure.And they are permitted access to the Aircraft. |
But one thing's for sure it's true Mel, u know my source is strong enough to clarify that |
Avi.I don't doubt your source.But Im surprised that your source & others in higher ranks are not acting to correct things.
regds
MEL
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