Verified IPC identity record

TP42001

Emergency brake pressure switch

Direct answer

The IPC identifies TP42001 as a pressure switch in ATA 32, Figure 32-40-20-15, item 160. The row lists one unit per assembly, effectivity 8266-8999, the code GX, and unit-exchange status. It is a separate record from TP42000, which appears at another figure with a quantity of two.

Last source review:

IPC record

Identity and application.

The reviewed catalog row establishes the part identity and its location in the combined Hawker IPC. It does not establish the condition of a particular unit or approve that unit for installation.

TP42001 verified catalog fields
Part numberTP42001verified
Preferred nameEmergency brake pressure switchverified
IPC nomenclaturePressure switch, GX, unit exchange itemverified
SystemLanding gear and brakesverified
Primary ATA chapter32verified
Lookup variantsTP-42001verified
TP42001 catalog occurrences
Aircraft and publication scopeEffectivityFigure / itemQtyReview
Hawker 800XP, 850XP, and 900XP with kit 140-9004 publication scope8266-8999 as printed in the IPC export32-40-20-15 / 1601verified

Cross-reference check

Relationships and limits.

  • The IPC lists one TP42001 pressure switch at Figure 32-40-20-15, item 160.
  • The row prints the code GX but the supplied export does not define it.
  • TP42000 is a separate pressure-switch record at Figure 32-40-20-10, item 125.
Important limit

The supplied export does not define GX or state that TP42001 substitutes for TP42000. Keep the exact number and figure reference on the sourcing request.

Mechanic's lookup notes

Common questions about TP42001.

Where is TP42001 listed in the ATA 32 IPC?

It is listed at Figure 32-40-20-15, item 160, with one unit per assembly and effectivity 8266-8999.

Can TP42001 be ordered in place of TP42000?

No interchangeability is stated in the reviewed export. The two switches have different figure locations, quantities, and printed codes.

What does GX mean on the TP42001 row?

The supplied CSV export does not define GX. Check the current IPC legend and applicable maintenance documentation before using that code in a configuration decision.

Technical sources

  1. Hawker 800XP, 850XP and 900XP Illustrated Parts CatalogTextron Aviation

    Document
    IPC-800XP
    Revision
    A0
    Published
    2026-02-05
    Supports
    TP42001 identity, nomenclature, 32-40-20-15 item 160, quantity, and effectivity as printed in the supplied export.