Dimensions
Each Blended Winglet is 8 feet long and 4 feet in width at the base, narrowing to approximately two feet at the tip.
Added wingspan
Blended Winglets add approximately 5 feet to the airplane's total wingspan -- from 112 feet, 7 inches (34.3 meters) to 117 feet, 5 inches (35.7 meters). (All members of the new 737 family have the same wingspan.)
Offerability
Production and retrofit winglets for the Next-Generation 737s are available through Boeing (production) and Aviation Partners Boeing (retrofit). Aviation Partners Boeing (APB) is a joint venture partnership between The Boeing Company and Aviation Partners Inc. (API).
Availability
Production and retrofit Blended Winglets for the new 737 family are available through The Boeing Company (production) and Aviation Partners Boeing (retrofit). Aviation Partners Boeing (APB) is a joint venture partnership between The Boeing Company and Aviation Partners Inc. (API).
Certification
Retrofit FAA Supplemental Type Certificate (STC) was granted to APB on 3/23/01. LBA (German regulatory agency) STC was granted to APB on 5/4/01. JAA STC was granted on 7/5/02 for partially provisioned wings and on 10/19/02 for the fully provisioned wings. Boeing PLOD (program letter of definition) was granted 5/9/01 by both the FAA and JAA for Boeing production.