RHC PART · FITS R44 · AUTHORIZED ROBINSON HELICOPTER DEALER

KI-257 R44 28V Pwr Supply/chrgr Kit

Robinson part number KI-257, R44 28V pwr supply/chrgr kit, for the R44. 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-257
DESCRIPTION: R44 28V PWR SUPPLY/CHRGR KIT
UNIT: KIT
FITS: R44
CONDITION: FACTORY NEW
2026 LIST PRICERHC price list, effective January 1, 2026: $354.00

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

5 items · Robinson Kit Instructions KI-257, revision CShow the list ▸

Every part Robinson packs in KI-257, 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
1	KI-257Instr	Kit Instructions	1
2	D035-1	Plug Assembly (28V, Red)	1
3	MT993-5	Plug Assembly (28V, Red)	1
4	MS25171-4S	Nipple	1
5	MS3367-5-9+	Ty-rap (Note: “+” in contents part number indicates 20-qty pack)	1

Contents from Robinson Helicopter Company Kit Instructions KI-257, revision C, 7 December 2022. Open the official Kit Instructions PDF ↗ · Current revisions are listed under Kit Instructions on Robinson's publications page ↗

Illustrated parts catalogs

R44Illustrated Parts Catalog

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

KI-100

Gov Off Caution Light Kit

FITS R22

KI-104-2

Rii 28V Heated Pitot Tube Kit

FITS R44

KI-115

Syringe & Probe For A184 Brg Kit

FITS R22

Not the part you need? Send any Robinson part number, the RFQ takes whole lists.