Supplier
Mallaghan
Ground Support Equipment (GSE)
Towable Passenger Stair (Tristair)
Towable boarding stairs mounted on a rugged hydraulic steel chassis.
Pricing
Request a quote for current pricing, lead time and delivery to your airport.The Mallaghan towable passenger stair (Tristair) range provides passenger access to a wide range of aircraft. The stairs are mounted on a towable Mallaghan steel chassis with parking brake and built-in hydraulic cylinders and stabilisers, with height adjustment achieved by hydraulic ram. Anti-slip treads, LED lighting and an emergency hand pump are standard.
Specs at a glance
Technical specifications.
| Tristair LR | 1800 mm (70 in) – 3950 mm (155 in) |
| Tristair MR | 2400 mm (94 in) – 4400 mm (173 in) |
| Tristair HR | 3800 mm (150 in) – 5800 mm (228 in) |
| Payload max. 40 passengers | |
| Lead-acid 24V battery pack; 12V diesel engine available | |
| Towable Mallaghan steel chassis with parking brake and four hydraulic stabilisers | |
| Options | enclosed/sun-shade canopies, EN safety gates, CAS, solar panels |
Best for
Use cases.
- ›Towed boarding-stair operations at remote stands
- ›Flexible aircraft access across a fleet of aircraft heights
- ›Cost-effective passenger boarding for airports and handlers
Cross-shop the category
Replacements & compatible alternatives.
Comparable Ground Support Equipment (GSE) from other suppliers. Cross-shop on specs — confirm exact fit and compatibility with the supplier before specifying.
