RHC PART · FITS R66 · AUTHORIZED ROBINSON HELICOPTER DEALER
A521-4 Switch Assembly, R66, Dual
Robinson part number A521-4, switch assembly, R66, dual, for the R66. Factory-new from APEX Helicopters, an authorized Robinson service center at Fort Lauderdale Executive (FXE). Send the RFQ and a service specialist confirms price, availability, lead time, and install hours.
- PART NUMBER
- A521-4
- DESCRIPTION
- SWITCH ASSY, R66, DUAL
- UNIT
- EACH
- FITS
- R66
- CONDITION
- FACTORY NEW
- 2026 PRICE LISTEffective January 1, 2026
- $635.80
List price shown for reference. Call (954) 914-0600 or send the RFQ: availability, lead time, and install hours quoted together, usually the same business day.
Illustrated parts catalogs
How ordering works
- Send the RFQ with quantity + aircraft serial
- We quote price, availability + install hours
- Approve and schedule
Aircraft on ground? AOG requests jump the line. Serial effectivity and applicable service bulletins are checked on every quote, by a person.
Related parts
A521-1
Switch Assembly, R44
FITS R44
A521-2
Switch Assembly, R66, Single
FITS R66
A521-3
Switch Assembly, R22
FITS R22
Not the part you need? Send any Robinson part number, the RFQ takes whole lists.