An A321-specific lower-deck container. The A321 hold is single-aisle narrow, so the usable cube is far below an LD3 even at the same footprint.
IATA / industry code
PKC
Class
Lower-deck container (A321) · Lower Deck A321
External
153.4 × 156.2 × null cm (60.4 × 61.5 × null in)
Usable volume
3.1 m³ / 109 ft³
Max gross weight
1,134 kg / 2,500 lbOperational limit, stricter than the structural rating
Tare
41 kg / 90 lb公开源 34–41kg 一致
Net payload available
1,088 kg / 2,399 lbMax gross less tare and net
Contour
LD3
Height limit
162.5 cm / 64 in
Door opening
—Pallet — no door; the hold entry profile governs instead
Tie-down points
4
Loadable payload
Payload is max gross minus the ULD’s own tare and its standard net.
Basis
kg
lb
Structural max gross
1,588
3,501
Operational max gross (used here)
1,134
2,500
Tare
41
90
Standard net
5
11
Net payload
1,088
2,399
Contour applied
The container’s own section fixes the limit; the deck it loads on fixes whether it fits at all.
Contour
Deck
Max height
Base (W × L)
Verification
LD3
Lower Deck
162.6 cm / 64 in
153.4 × 156.2 cm
carrier-published
Aircraft
Recorded as compatible with: A321. Compatibility here means the compartment accepts this ULD’s section and the position exists — it is not a statement that the deck’s height limit allows a full-height build.
Sources for this page
Menzies Cargo Ops Manual V22
Cathay Pacific CX W&B (Rev6/Rev3)
Cross-checked 2026-10-07; revision log in the repository