PlaneTrack / aircraft / N91HW

N91HW - Robinson Helicopter R44

N91HW is a Robinson Helicopter R44 operated by Kinderhook Aviation Llc, Mode-S hex code AC9516. Track it live, browse its recent flights, or download its full position history.

RegistrationN91HW

Mode-S hexAC9516

ManufacturerRobinson Helicopter

ModelR44

OperatorKinderhook Aviation Llc

Last seen2026-08-19 16:20 UTC

Last callsignN91HW

Track live on the map Buy full history (CSV) API access

Recent flights (last 30 days)

Date	Callsign	From	To	Dep	Arr
2026-08-15	N91HW	KOWD	KBOS	08:23 EDT	19:58 EDT
2026-07-23	N91HW	KOWD	KISP	08:40 EDT	16:06 EDT
2026-07-22	N91HW	KOWD	KBOS	10:52 EDT	11:26 EDT

Times are local to each airport. Hover for UTC.

Data access

Live position and 365-day history for this aircraft are available through the PlaneTrack API (commercial use from $29/month) and as one-off CSV extracts from our own receiver network archive.