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In rare cases (maybe couple times in a year at most), the airplanes going to HEL land on runway 2 (15/33) from southeast and that means the flight path goes close above my home and it seems that the planes deploy the landing gear just when they pass my home. The distance between my home and the south end of the runway is approximately 11.5 km.
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Originally Posted by NZbutterfly
(Post 24633073)
I flew into Auckland, New Zealand a couple of days ago. We came in from the North which is unusual as majority of my approaches (98%) have been from the South. Could only just see the coastline then there was a noise which sounded like the landing gear coming down. I looked at the airshow time which showed 6mins to landing. It just seemed a bit early to have the landing gear down. Then at 2mins there was another noise which was similar but shorter but I looked out the window and saw the front of the wings flap things were forward so I figured that must have been noise number 2.
I can't really remember when the landing gear comes down (I don't think I take any notice) and I think the only reason I noticed it this time was because we had a different approach. It was a 777-300, not the more obvious prop planes but even those I think come down closer to the approach. Of course I'll never be sure when the wheels came down, but what would have been the likely noises at those times prior to landing? We had no problems with our landing, just a small amount of sway. |
3 minutes is fairly standard, normally comes out at around 2500ft assuming a -800ft rate of descent. Some airports have special procedures, which include lowering the gear earlier than that.
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The conventional 'standard', and I use that loosely because it isn't hard and fast, was gear down by the outer marker, but there really isn't a rule... Typically once you are established on the ILS inbound, you want to get the plane configured for landing. The intention is to ensure a stabilized approach in the final phase of the landing. Being stabilized means the plane is in the landing configuration and no changes to flaps, slats, speed brakes or landing gear are required. Just modulation of power and flying surfaces to keep you on the glideslope. However getting establishing on the ILS is often very variable, based on ATC, local procedures, obstacle avoidance, other aircraft and a dozen other things.Most ILS outer markers are 4-7nm form the runway threshold and ~1400ft AGL, based on a 3-degree glideslope.... Also when I say ILS I also am including other forms of approach such as GPS and even a visual approach, where eyes and a VASI or PAPI's can help guide you....
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typically 5-8 miles from landing. most airlines require the plane be fully configured for landing by 1000' AGL which is approx 3.3 miles from landing.
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Originally Posted by Hezu
(Post 31803722)
In rare cases (maybe couple times in a year at most), the airplanes going to HEL land on runway 2 (15/33) from southeast and that means the flight path goes close above my home and it seems that the planes deploy the landing gear just when they pass my home. The distance between my home and the south end of the runway is approximately 11.5 km.
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