Just saw AC161 depart 24R for YVR from YYZ. This 747-400 had no port side wing tip. The starboard side was clearly visible but I am 100% certain the port was not. Is this possible? She departed at approx. 11:40 EST today Aug.19. The aircraft is only 30 min. airborne as I type!
Do you mean no winglet? If this is the case, maybe someone who knows about the 747 MEL can see if a winglet is able to be MEL'd? I say this because someone mentioned that if the 767-400 is missing a winglet because of damage, the other can be removed and the flight can be continued.
I think there was a discussion a few months ago on this very topic, and I think the 744 winglet is a MEL'd item. I think in the case of the 744 that the other can be left attached and it can still be dispatched. As the raked wing extensions on a 764 are of a different design, they probably both need to be removed.
One winglet on a 744 can be removed and the aircraft still be dispatched. A British Airways 747-400 flew around in this condition for several weeks I recall after the starboard winglet was damaged and removed.
The fuel penalty was in the order of 4% I recall being told by those in the know.
I used to love the smell of Jet-A in the morning...
Alright, alright Avioniker...you got me on a technicality....
Yes, I suppose as an airplane with one winglet is certainly in a different configuration than one with two winglets, then the item would be on the CDL (or for those not versed in technical abbreviations, the Configuration Deviation List).
We flew home from Antigua (November 1998) on a BA 747-400 which had to have the port winglet removed prior to the TAPA-EGLL leg as the pilot who had flown the plane in from TLPL managed to prang the winglet on a lamp-post while taxiing to the stand at V C Bird. The pilot for the trans Atlantic leg was able to requisistion more fuel and make the journey with the starboard winglet still attached so I assume this is a standard practice when the winglet cannot be quickly replaced.
Correct me if I am wrong, but an idea just came to my mind:
If there is only a winglet on the right wind, the parasite drag will create a momentum (yaw) to the right side. But with the winglet on the right wing the induced drag on this wing is reduced, which will create a momentum to the left. Now which momentum will be larger depends on the airspeed. The larger the airspeed, the more should the momentum be to the right side, as the parasite drag (to the right) increases with airspeed, and the induced drag (to the left) decreases with airspeed.
I know, that's a wild theory. Now where are the flight instructors to falsify it?
Regards anyway, OE-LDA
I am totally missing basics and clueless about airline flying!