SA2753NM-D
Add 12 coach seats in E-Zone, reducing the seat pitch from 34 to 31 inches throughout most of the Zone, and 6 coach seats in C & D Zones, reducing the seat pitch from 34 t o 31 inches in the outboard rows. PSU's are repitched as required. These installations will be done according to United Airlines DAS-1-WE Approved Master Drawing List #2753, dated July 3, 1989, or later FAA approved revisions. Held by United Airlines INC, which holds 520 approved modifications in all. Last revised November 30, 2011. System: cabin, seats and restraints.
What it applies to
- Kind of product
- Aircraft
- Design holder
- The Boeing Company
- Models
- 747-100 Series
- Type certificate
- A20WE
- On this site
- Boeing 747 192 registered
- The FAA's record
- On the FAA's site
What an approved modification is
A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.
Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 21, 2026.