// CN-001 · China / CMSA

Shenzhou IVA / Rescue Suit

CASC · 2003–present
IVA Active

Technical Specifications

PressureTBD
Suit mass (1g)TBD
Life support (primary)Vehicle oxygen + emergency tanks
Life support (backup)Emergency oxygen
EVA durationN/A
ProgramShenzhou
AgencyCMSA / CNSA
ManufacturerCASC
First use2003
StatusActive
Donning / entryOne-piece soft pressure garment; integral helmet; vehicle-supported

Engineering Analysis

Key Subsystem Architecture

Emergency oxygen; automatic sealing; orange high-visibility; vehicle interface

Mission Role

Shenzhou launch, entry and cabin depressurization survival

Limitations & Failures

Not EVA-capable; long-duration seated comfort secondary to emergency survival; donning speed under study

Program Lesson
"Rescue suit discipline must be kept separate from EVA product line — do not overbuild IVA with EVA objectives"
Future Relevance

Relevant to any commercial crew vehicle requiring low-mass cabin-supported rescue architecture

// Related Suits

Same Program Family

CN-002 EVA

Feitian Gen-1

CMSA / CNSA · CASC
2008
Pressure
400 hPa
System mass
TBD
Life support
Self-contained EVA backpack oxygen
EVA duration
N/A

"Pragmatic dual-track approach — import to reduce mission risk while demonstrating domestic capability simultaneously"

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CN-003 EVA

Feitian Gen-2 Tiangong

CMSA / CNSA · CASC
2021–present
Pressure
TBD
System mass
287 lb
Life support
Backpack PLSS — liquid cooling, oxygen, humidity, telemetry
EVA duration
7 hours

"Once a suit becomes a fleet asset, lifecycle economics and telemetry matter more than peak performance figures"

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CN-004 EVA

Wangyu Lunar Suit

CMSA / CASC · CASC
2024–2030
Pressure
TBD
System mass
TBD
Life support
Self-contained lunar PLSS (details not public)
EVA duration
N/A

"Lunar suit must be treated as a new architecture branch — not an incremental Feitian derivative — due to dust, terrain and thermal differenc…"

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