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Criterion	TK Elevator — Airport Solutions TK Elevator APS Apron Drive Passenger Boarding Bridge	ADELTE Group ADELTE Pronto Passenger Boarding Bridge	JBT AeroTech JBT Jetway Passenger Boarding Bridge
Tagline	Apron drive PBB rated from regional jets to the A380.	European-engineered PBB with smart apron systems.	The original Jetway, refreshed for modern fleets.
GCC installations	4	4	3
Length range (extended)	20 – 40 m	16 – 38 m	18 – 36 m
Cabin height range	2.6 – 5.8 m	2.4 – 5.8 m	2.4 – 5.8 m
Slope limit	± 8 % (auto levelling)	± 8 % (powered)	± 8.5 %
Number of tunnels	2 or 3 telescoping	—	2 or 3
A380 capable (UHC)	Yes (upper-deck option)	—	Yes (variant)
Rotunda rotation	± 170 °	± 175 °	—
Drive	Apron drive column with twin wheels	Apron drive column	Apron drive column with dual wheels
Doors served	L1, L2 forward, UHC upper deck	—	—
Tunnel configurations	—	2, 3, T- or Y-shaped	—
A380 capable	—	Yes (UHC version)	—
Integrated utilities	—	400 Hz GPU + PCA + potable water HMI	—
Door types served	—	—	L1, L2, UHC upper deck
Controls	—	—	PLC HMI with auto-levelling
Compatibility	• Serves ATR 72 through A380 (with UHC variant) • Integrates with 400 Hz GPU, PCA preconditioned air, and potable water carts • VDGS interface to ADB Safegate Safedock or equivalent • Supports building-side fixed tunnel and rotunda configurations	• Interfaces with Safedock A-VDGS for precise aircraft stop • Supports embedded fixed walkway and rotunda combinations • Handles regional turboprops through widebodies on same stand • Open ACBUS / OPC-UA for SCADA integration	• Pairs with JBT Commander 15 pushback and Tempest deicer on same stand • VDGS-ready for Safedock and equivalents • Supports integrated GPU and PCA • Open protocols allow AODB / A-SMGCS integration
Certifications	EN 12312-4FAA AC 150/5220-21CEISO 9001	EN 12312-4CEISO 9001	EN 12312-4FAA AC 150/5220-21CEISO 9001
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