3 Tier AC Coach Seating Arrangement
Contents
3 Tier AC Coach Seating Arrangement
- Used for longer journey involving night.
- It has 64 berths , LHB coach has 72 berths.
- It has 3 oriental and one western style of toilets.
- There are no doors.
- 8 compartment (LHB-9) each with 6 berths.
- 2 shorter berths provided in front of each compartment along the length of the coach.
| S. No. | Type | Information |
| 1 | AC 1st Class Berth Layout | Click Here |
| 2 | AC Car Chair Layout | Click Here |
| 3 | AC 2 Tier Sleeper Layout | Click Here |
| 4 | 3 tier AC Coach Seat Layout | Click Here |
| 5 | First class train seat layout | Click Here |
| 6 | Second class sitting coach layout | Click Here |
| 7 | Second class sleeper coach layout | Click Here |
Here’s a visual schematic of the 3-Tier AC (3A) coach layout used by Indian Railways, featuring both ICF and LHB coach formats:
AC 3-Tier Coach Configuration (3A)
- Berths per Bay: Each bay has 6 berths arranged as Lower (LB), Middle (MB), and Upper (UB) on each side, plus 2 side berths (Side Lower SL and Side Upper SU) across the aisle → total of 8 berths per section.
- Seat Counts:
- ICF Coaches: Typically accommodate 64 berths.
- LHB Coaches: Hold up to 72 berths.
⬆ Detailed Layout Pattern
According to standard numbering conventions:
| Berth Type | ICF Layout Numbers | LHB Layout Numbers |
|---|---|---|
| Lower (LB) | 1, 4, 9, 12, … | 1, 4, 9, 12, … |
| Middle (MB) | 2, 5, 10, 13, … | 2, 5, 10, 13, … |
| Upper (UB) | 3, 6, 11, 14, … | 3, 6, 11, 14, … |
| Side Lower (SL) | 7, 15, 23, … | 7, 15, 23, … |
| Side Upper (SU) | 8, 16, 24, … | 8, 16, 24, … |
Features at a Glance
- Air-Conditioned Sleeper: Designed for overnight travel with included bedding (blanket, pillow, sheet).
- Berth Types:
- Main Section: LB, MB, UB.
- Side Section: SL & SU.
- Coach Capacity:
- ICF: ~64 berths.
- LHB: ~72 berths.
- Convenience & Comfort: Middle berths fold down during daytime for seating; updated LHB designs may include better headroom and amenities.
Summary Table
| Feature | Details |
|---|---|
| Configuration | 6 berths in main section + 2 side berths |
| Coach Types | ICF (~64 berths), LHB (~72 berths) |
| Berth Positions | LB, MB, UB (bay); SL, SU (side) |
| Day/Night Use | Day: Middle folds down; Night: Full berth positions |
| Amenities (LHB) | Improved headroom, lighting, USB, AC vents, etc. |
Would you like a downloadable PDF layout, a map of berth numbers, or assistance locating your seat position before boarding? Just let me know—happy to help!