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737 Climb Performance  
User currently offlineDon81603 From Canada, joined Jul 2005, 1185 posts, RR: 0
Posted (9 years 3 weeks 3 days 23 hours ago) and read 4594 times:

Yesterday (May 6, approximately 12:15 local time) I watched a Westjet 737 climbing out of Thunder Bay from runway 07. I was a bit concerned at the climb out for 2 main reasons:
1/ The climb was extremely shallow, closer to the sink rate when on approach.
2/ That 737 was smoking something bad from the starboard engine, yet it didn't appear to be turning around to return with some type of engine trouble.

I can't think of any reason for the shallow climb out, as there was no other air traffic in the area I could see to be avoided.

Any thoughts on this?


Eagles may soar, but weasels don't get sucked into jet engines.
4 replies: All unread, jump to last
User currently offlineJamesbuk From United Kingdom, joined May 2005, 3968 posts, RR: 4
Reply 1, posted (9 years 3 weeks 3 days 22 hours ago) and read 4571 times:

1) I think it was probably Very close to MTOW

2) Maybe the oil was topped up at the turnaround or the aircraft had been in maintenance so there was residue oil sitting in the engine.

Rgds --James00

You cant have your cake and eat it... What the hells the point in having it then!!!
User currently offlineRwessel From United States of America, joined Jan 2007, 2740 posts, RR: 2
Reply 2, posted (9 years 3 weeks 3 days 14 hours ago) and read 4424 times:
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Remember too that they wouldn't turn back instantly in the case of an engine failure. Unless there was some pressing reason (for example the airplane is on fire), they'd fly off to evaluate the situation and burn/dump fuel, and only then make a calm single engine landing.

User currently offlinePilotaydin From Turkey, joined Sep 2004, 2561 posts, RR: 48
Reply 3, posted (9 years 3 weeks 3 days 14 hours ago) and read 4421 times:

if there isn't a fire, we usually follow the SID pattern in an engine failure, if not the engine out SID, if there is a fire you try to do immediate return pattern procedures on the downwind....

stuff always comes out the engine, im sure it was a derate/assumed temp climb to save engine life
OR sometimes we climb super shallow incase we have super old engines and we want the EGT to stay within limits  Wink

The only time there is too much fuel onboard, is when you're on fire!
User currently onlineXT6Wagon From United States of America, joined Feb 2007, 3621 posts, RR: 4
Reply 4, posted (9 years 3 weeks 3 days 7 hours ago) and read 4373 times:

Noise regulations may have kept the thrust down for part of the flight. Noise regulations create all sorts of strange flight profiles.

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