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737 Versions - External Differences  
User currently offline9A-CRO From Croatia, joined Jun 2000, 1574 posts, RR: 8
Posted (13 years 12 months 11 hours ago) and read 1573 times:
AIRLINERS.NET CREW
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can anybody tell me how to differ 737 -300,-400, & -500
from their newer brothers (of the ame lenght)
(of course I mean external "spotters" difference, not technological differences)


When once you have tasted flight, you will forever walk the earth with your eyes turned skyward...
4 replies: All unread, jump to last
 
User currently offlineGKirk From UK - Scotland, joined Jun 2000, 24960 posts, RR: 56
Reply 1, posted (13 years 12 months 11 hours ago) and read 1564 times:

Good Question, are the wings not bigger on the 737NG?


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User currently offline9A-CRO From Croatia, joined Jun 2000, 1574 posts, RR: 8
Reply 2, posted (13 years 12 months 11 hours ago) and read 1562 times:
AIRLINERS.NET CREW
DATABASE EDITOR

yes i think the wings (and tailfin) are bigger but it is hard to see which version it is if you can't compare
the size to anything (ie. if the plane is flying and backrround is sky)

from right angle it could be differed be rounder engines on newer version, but what about the side view?



When once you have tasted flight, you will forever walk the earth with your eyes turned skyward...
User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 3, posted (13 years 12 months 11 hours ago) and read 1555 times:

The NG aircraft are slightly higher off the ground, so the engine cowlings are rounder looking, especially as seen from the front, and not the flat-bottomed versions you see on the -300/-400/-500 to maximize ground clearances.

The NG aircraft have longer wingspans, and the vertical stablizers are also a little longer.

The NG also have differences in landing lights than the older -100 through -500 versions. All 737s have a landing light on each side where the wing meets the fuselage. There's another landing light on each side of the aircraft too. On the older 737 versions, this "outboard" landing light is built into one of the trailing edge flap fairings, and the lights are just a few feet inboard of the wingtip. On the NG versions, there is on "outboard" landing light there, but you'll see them having been relocated to the underside of the fuselage, just either side of the centerline. Thus, all 4 appear much closer together.

Southwest also has the flap fairings on their -700s painted red, compared with the standard gray on other 737 versions.


User currently offlineNightfly From Germany, joined Nov 2000, 212 posts, RR: 0
Reply 4, posted (13 years 12 months 10 hours ago) and read 1553 times:

I asked the same question to myself a few years ago. Then I found out following differences.

The Boeing 737-400 is the only one with two doors in the middle of the plane. -300 and -500 only have one door.

Boeing 737-500 has got 9 windows next the front door until there´s a break. 737-300 has got more there. If you look often after this, you get a "feeling" if it´s a -300 or a -500. I do this, and it works.

Hope this helps,
nightfly


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