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Harmon ROCKET II

Harmon ROCKET II
HROC
Photo: Ahunt at English Wikipedia · Public domain
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ROCKET II
Harmon · ROCKET II
Model overview

Fleet & certification

Built
85
Active
84
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Other Harmon models

Safety & ops history

Where to look next

Detailed safety & ops history coming soon — view this model's FAA Airworthiness Directives at FAA.gov.

Harmon ROCKET II market & fleet intelligence

Registry, flight-tracking and market data on the Harmon ROCKET II fleet — updated daily.

Fleet age

22 yearsmedian age

Of the 63 registered Harmon ROCKET II with a known build year (74% of the 85 we track), the median age is 22 years.

Registration activity

5changed registration in 12 months

5 of the 85 registered Harmon ROCKET II we track changed registration in the last 12 months (6% of the fleet), across 5 registration events. Registration changes include ownership transfers, re-registrations and address updates — not all are sales.

Fleet activity — last 90 days
Aircraft seen flying
4
Tracked flights
7
Tracked flight hours
25
Share of fleet flying
5%

4 Harmon ROCKET II were tracked flying in the last 90 days (5% of the registered fleet), across 7 flights. Sprinkle flight tracking began May 2026; coverage is ADS-B-derived and not exhaustive.