4021541671
ARTIFICIAL HORIZ
Specifications
- Part Number
- 4021541671
- Manufacturer
- Honeywell
- ATA ChapterMaintenance system chapter
- 34 — NavigationField reports: 34 (100%) — 34 reports
- CapabilitySystem area (hydraulics, avionics, landing gear…)
- Instruments
- Inventory ClassRotable, expendable, or consumable
- Rotable
- Certification
- OEM
- Aircraft Category
- Unknown
- Criticality
- Critical
- Life & ShelfTypical service/shelf life — verify against OEM data
- —
Service Reliabilityfrom FAA SDR (Service Difficulty Reports)
94%
Scrap Propensity (SDR-derived)
- SDR reports
- 34
- Replace events
- 31
- Repair events
- 2
- K-code events
- 30
Reporting window 1995-04-10 – 2004-04-30Dominant chapter ATA 34
Directional indicator only. Reflects what operators reported to the FAA when a difficulty was logged — not a fleet-normalized failure rate or a cost-based BER. Use alongside operator-specific data.
Airframe Applicability(1)
Data Sources(1)
- 2026-03-07
Quick Facts
Airframes1 applicable
AlternatesNone recorded
ClassRotable
CriticalityCritical
CategoryRotorcraft
Know your business mix?
Upload your part numbers and get instant analytics — airframe breakdown, ATA depth, PMA concentration, and more.
Analyze my parts →