RHC PART · FITS R66 · AUTHORIZED ROBINSON HELICOPTER DEALER
KI-6606 R66 Turbine Overhaul Kit
Robinson part number KI-6606, R66 turbine overhaul kit, 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
- KI-6606
- DESCRIPTION
- R66 TURBINE OVERHAUL KIT
- UNIT
- EACH
- FITS
- R66
- CONDITION
- FACTORY NEW
- KIT PRICEEffective January 1, 2026
- $137,500.00
- CORE CHARGERefunded when overhaul cores return to RHC within 9 months of invoice
- $4,500.00
- 2026 TOTAL WITH COREEffective January 1, 2026
- $142,000.00
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.
What's in this kit
84 items · Robinson Kit Instructions KI-6606, revision AShow the list ▸Hide the list ▾
Every part Robinson packs in KI-6606, in the order of the Kit Instructions. Tap a part number for its page and price. Alternates are supplied only when selected at order.
| ITEM | PART NUMBER | DESCRIPTION | QTY |
|---|---|---|---|
| KI-6606Instr | Kit Instructions | 1 | |
| A120-5 | Bellcrank – Aft | 1 | |
| A130-48 | Spacer | 6 | |
| A130-50 | Spacer | 1 | |
| A215-015 | O-Ring (rollover valves) | 2 | |
| A522-10 | Control Cable (FCU fuel cutoff) | 1 | |
| A522-11 | Control Cable (fuel valve) | 1 | |
| A522-14 | Control Cable (heater valve) | 1 | |
| A785-37 | Hose (inducer bleed) | 1 | |
| A785-38 | Hose (starter-generator) | 1 | |
| A880-908 | Union – Engine Oil Outlet (replaces CV26-77 check valve on helicopter S/N 0222 and prior) | 1 | |
| A918-8 | Elastic Cord Assembly (20 lb; this part will be provided unless alternate part [below] is selected.) | 1 | |
| A918-19 | orElastic Cord Assembly (23 lb) · supplied instead of the part above when selected | – | |
| A947-2 | Plate Assembly | 2 | |
| B162-2 | Clipnut | 3 | |
| B173-5 | V-Belt – Compressor Drive (cabin air conditioning) | 1 | |
| B277-12 | Clamp | 2 | |
| B277-32 | Clamp | 2 | |
| B277-36 | Clamp | 2 | |
| B277-48 | Clamp | 1 | |
| B330-7 | Palnut | 5 | |
| B345-4 | Pitch Link – Tail Rotor | 2 | |
| C005-4 | Main Rotor Hub Assembly | 1 | |
| C005-13.CS* | Main Rotor Blade and Spindle Assembly (set) | 1 | |
| C008-10 | Tail Rotor Assembly | 1 | |
| C021-1R | Tail Rotor Gearbox Assembly · overhaul exchange, core returned | 1 | |
| C031-1 | Tail Rotor Pitch Control | 1 | |
| C119-2 | Bumper – Tail Rotor | 1 | |
| C141-26** | Washer | 12 | |
| C152-1 | Washer – Thrust | 6 | |
| C189-14 | Nut | 3 | |
| C522-10 | Control Cable (FCU throttle) | 1 | |
| C522-11 | Control Cable (PTG) | 1 | |
| C947-3 | Plate Assembly | 3 | |
| D082-1 | Tube Assembly | 1 | |
| D333-13 | Fitting | 1 | |
| D918-1 | Elastic Cord – Longitudinal (cyclic pivot) | 1 | |
| D918-2 | Elastic Cord – Lateral (cyclic pivot) | 1 | |
| D918-3 | Elastic Cord – (collective) | 1 | |
| D930-2 | Spring – Safety (throttle) | 1 | |
| F018-1R | Clutch Assembly · overhaul exchange, core returned | 1 | |
| F101-4 | Rod End | 2 | |
| F169-1 | Exhaust Weldment | 1 | |
| F173-1 | Strut (exhaust weldment supports) | 3 | |
| F453-5 | Retainer | 6 | |
| F579-1 | Bellmouth | 1 | |
| F597-1 | Seal – Firewall | 1 | |
| F642-7 | Engine Shaft Weldment | 1 | |
| F651-2 | Element – MRGB Filter | 1 | |
| F651-3 | Seal Kit – MRGB Filter | 1 | |
| F771-1 | Filter – Intake | 1 | |
| F771-4 | Filter – Starter/Generator | 1 | |
| F771-7 | Filter – Engine Vent | 1 | |
| F792-2 | Dual Tachometer (replaces F792-1) | 1 | |
| G732-3 | Cap (replaces G732-2 cap & C130-62 spacer) | 1 | |
| G732-4 | Bolt (replaces NAS6604-67 bolt, clutch assembly) | 1 | |
| KI-6603-3A | R66-series (Fwd) Standard Connector/Buckle Installation Kit (This kit will be provided unless alternate kit [below] is selected.) | 1 | |
| KI-5501-2 | orR66-series Five-Point Harness Installation Kit · supplied instead of the part above when selected | – | |
| KI-6603-3B | R66-series (Aft) Standard Connector/Buckle Installation Kit | 1 | |
| R6722 | Main Rotor Blade Crate | 1 | |
| R8481 | Core Deposits | 1 | |
| 1182N111 | O-ring (replaces existing O-ring in N1 speed sensor connector cavity) | 1 | |
| AN742-3 | Clamp | 40 | |
| AN742-4 | Clamp | 11 | |
| MS16562-4 | Spring Pin | 1 | |
| MS21919WCH4 | Clamp | 7 | |
| MS21919WCH8 | Clamp | 1 | |
| MS21919WCH12 | Clamp | 1 | |
| MS21919WCH38 | Clamp | 1 | |
| MS24665-229+ | Cotter Pin (Note: “+” in contents part number indicates 5-qty pack) | 1 | |
| MS24665-441+ | Cotter Pin (Note: “+” in contents part number indicates 5-qty pack) | 1 | |
| MS28778-4 | Packing (engine oil cooler fittings) | 2 | |
| MS28778-8 | Packing (engine oil cooler unions) | 2 | |
| MS29512-03 | Packing (reducers) | 2 | |
| MS29512-05 | Packing (low fuel switch) | 1 | |
| MS29512-06 | Packing (fuel strainer) | 1 | |
| MS29512-10 | Packing (left rollover valve) | 1 | |
| MS29513-270 | Packing (cover assembly) | 1 | |
| NAS1149E0363R | Washer (ignition exciter box; see IPC Figure 71-5) | 1 | |
| NAS557-4A | Grommet | 3 | |
| NAS557-4B | Grommet | 3 | |
| NAS557-32A | Grommet – Firewall (engine drive shaft weldment) | 1 | |
| NAS617-8 | Packing (union, oil line) | 2 | |
| NAS617-10 | Packing (union, oil line) | 1 | |
| NAS617-12 | Packing (fitting, breather tube) | 1 | |
| NAS634-105 | Bolt | 3 |
- *“.CS” suffix indicates Blade & Spindle set was static balanced at the factory.
- **Replaces NAS1149E0363R at control cable installations per R66 Service Letter SL-38 (current revision).
Cores to return
2 overhaul-exchange components · refunded against the kit core chargeShow the list ▸Hide the list ▾
Contents from Robinson Helicopter Company Kit Instructions KI-6606, revision A, 2 October 2024. Open the official Kit Instructions PDF ↗ · Current revisions are listed under Kit Instructions on Robinson's publications page ↗
Kit terms
- Contains overhauled/exchange components and new parts for the R66 Turbine 2000-hour airframe maintenance and inspection
- KI-6602-1 or KI-6602-2 tailcone/stabilizer kit must be purchased with this kit
- 4,000-hour parts must be requested separately (R66 SL-49, October 2024)
- All overhaul cores must be returned within nine (9) months from the date of the RHC invoice to receive a refund of the core charge; cores returned after nine months are not refunded
- Aircraft serial number is needed at the time of order placement
- Crating included in the list price
- RHC limited parts warranty: 1 year or 1,000 hours, whichever comes first
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.
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Not the part you need? Send any Robinson part number, the RFQ takes whole lists.