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Unsuccessful SIA aspiring pilot looking for an alternative path to flying?
Written by Capt Lim   
Saturday, 17 May 2008 21:27

Dear Captain Lim,

Thank you for creating such a wonderful site providing vast amount of information and knowledge for aspiring pilots. I have previously sent you a message but did not get a reply and I think you have just too many messages to go through. So I am hoping this mail can get to you one day!

Sorry, I had forgotten to include my personal particulars in my previous email. I have completed my Degree in Mechanical and Aerospace Engineering in Nanyang Technological University in Singapore and am 25 years of age this year.

I am a Singaporean and had previously failed my 2nd interview with the SIA cadet pilot program after the tea party stage. I am really interested in pursuing flying as a career but I have no flying experiences and so I need your advice on these questions:

What can an ex-airline pilot do after retirement?
Written by Capt Lim   
Thursday, 08 May 2008 09:44

Dear Capt Lim,
It was mentioned that a pilot has to retire at the age of 60 years old. May I know is there any job prospects after the airline retirement? What can an ex-airline pilot do after retirement?



What is good about the Airbus A380?
Written by Capt Lim   
Tuesday, 15 January 2008 07:11

Dear Captain Lim,

There has been a lot of anticipation about the birth of the state-of-art Airbus A380.

Could you please tell me what is good about the Airbus A380?

Thank you


The Airbus A380
What happens when a pilot suffers a heart attack in the air?
Written by Capt Lim   
Tuesday, 11 December 2007 21:41

Captain of diverted flight dies after heart attack

Pilots and heart attacks

All co-pilots have been trained to handle such an emergency as part as their normal duties besides assisting the Captain. In fact, they are taught to take over at the most critical stage of the flight, usually during automatic landing in bad weather when a Captain becomes incapacitated just before touch down. This is especially so when he fails to respond to a pre-planned check list response.

There are special procedures to recognize an incapacitation at these critical moment. The co-pilot would automatically take over when certain stipulated responses are not forthcoming below certain critical heights from 500 to 200 feet above ground level. The reason is that it would be too late to clarify whether it was alright with him. Abort the landing first and find out the cause when the airplane is at a safe altitude later! So stringent procedures are there to take care of pilot incapacitation.

It is not a major problem when a co-pilot lands the aircraft if the Captain has a heart attack. He has been thoroughly trained to do so at any time. It is not to say that it would be easy, for he has to work extra hard alone to land the airplane safely. If the Captain slump over and obstruct the flying controls, the co-pilot would usually seek the assistant of the flight attendant to secure the incapacitated Captain firmly to the seat with his safety belts.

If he has difficulty in landing the airplane, he would just press a button, known as a TOGA (Take Off Go Around on a B777) switch, on the flying control column and the aircraft would abort the landing. The airplane would execute a go around automatically and climb to a safe altitude, giving the copilot a chance to sort out the situation before attempting another safe landing.

There have been many cases where the Captain was incapacitated and the copilot was able to land the aircraft successfully. One incident involved a hijack attempt in Japan Airlines recently where the Captain was killed by the hijacker and the copilot landed the aircraft without any problem.

Pilot suffers heart attack in flight!

Taipeh, Mon. - A China Airlines pilot suffered a heart attack today en route to Vietnam, forcing the co pilot to abort the flight and make a quick turnaround back to Taipeh.

Captain G.I Gueorguiev, 45, lost consciousness about 40 minutes after Flight CI 652 took off for Ho Chi Minh City, so 27 years old co pilot Lin Hsin took control and landed the plane safely, company spokesman Scott Shih said.

None of the 259 passengers were injured, and the Airbus A300-600 took off again by late morning with a new pilot at the controls.

Gueorguiev, a Bulgarian, was immediately sent to hospital and "showed no signs of life", although doctors did not immediately pronounce him dead, Shih said. Doctors said the pilot had a heart attack. - AP.

Are the Airbus A380 engines more powerful than those of the Boeing 777?
Written by Capt Lim   
Thursday, 24 August 2006 09:02

Hi Captain Lim,

Thanks abundantly! It impresses me ever to see you, not only having advanced into what you desired, but pursuing it further from all corners - such as this remarkable website of yours!

A Question: The Airbus A380 engines are massive and its titanium blades are prominently much broader. Yet they produce a thrust of 70,000 pounds each as compared to the smaller Boeing 777 engines that produce a heftier 92,000 pounds of thrust each.

Please explain.

Thanks and Blessings.

Glen Reuben

Hi Glen,

Yes, the Airbus A380 may be one of the largest passenger aircraft (second only to the Russian Antonov AN225) in the world today, but its engines (four Rolls Royce Trent 900 Turbo fan) are not necessary the most powerful. They may look massive with their titanium turbine blades or *prominently broader* but the record goes to the Boeing 777 engines.

Each RR Trent 900 has been cleared to eventually certify at 81,000 lbs of thrust (more than 75,000 HP). It is currently being run at 76,500 lbs (about 71,000 HP)

The Boeing 777-200 IGW (now also known as the Boeing 777-200ER) that I flew, was fitted with the Trent 892 engines and produce up to 90,300 lbs of thrust each. In fact, the real record for the world*s most powerful engines goes to GE90-115B engines fitted onto the Boeing 777-300ER. Each engine produces up to 115,300 lbs of thrust!

Ah, but remember, the Airbus A380 has 4 engines. So the total thrust is multiplied four times (76,500 x 4 = 306,000 lbs of thrust) as compared to the two engines of the Boeing 777-300ER (115,300 x 2 = 230,600 lbs of thrust). Overall, the Airbus A380 is still more powerful.

The Airbus A380, with the RR Trent 900 engines, will be the first long-haul aircraft to consume less than three liters of fuel per passenger over 100 kilometers (approximately 81 miles per US gallon) ? a fuel consumption comparable to the best of the small modern turbo-diesel cars.

From the Rolls Royce website, here are some more interesting facts: 

. At take-off, the A380*s four Trent 900s will deliver a thrust equivalent equal to the power of more than 3,500 family cars. 
. The engine*s hollow, titanium fan blades suck in over 1.25 tons of air every second and could empty four squash courts per second. 
. The fan operates at nearly 3,000 rpm with tip speeds at 1.5 times the speed of sound. 
. By the time the air leaves the exhaust it has been accelerated to a speed of nearly 1,000 miles per hour. 
. Temperatures in the engine core are half those on the surface of the sun. 
. The blades in the engine*s high-pressure system rotate at 12,500 rpm, with tip speeds reaching 1,200 miles per hour. 
. Each Trent 900 has around 20,000 individual components.

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