what is it?
The Piasecki HRP Rescuer (also called Harp) is a United States tandem-rotor transport or rescue helicopter designed by Frank Piasecki and built by Piasecki Helicopter. The Piasecki PV-3 was adopted as the HRP-1 Rescuer by the United States Navy, United States Marine Corps, and United States Coast Guard. An improved PV-17 variant was later produced as the HRP-2.
How to recognise it: 1 engine · 12.5 m main rotor
base stats
Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).
fun facts
- First flew 81 years ago, in 1945.
- Rotor of 12.5 m: about 3 cars parked nose to tail.
spec sheet
- first flight
- 1945
- introduced
- 1947
- number built
- 30
- role
- tandem-rotor transport/rescue helicopter
- makers
- Piasecki Helicopter Corporation
- engines
- 1× Pratt & Whitney R-1340-AN-1 radial engine
- crew
- 2
- length
- 16.5 m
- rotor diameter
- 12.5 m
- height
- 4.5 m
- max take-off weight
- 3,277 kg
- top speed
- 169 km/h
- cruise speed
- 119 km/h
- range
- 483 km
- ceiling
- 2,600 m
Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.
Sources: Wikidata Q618920, Wikipedia: Piasecki HRP Rescuer (CC BY-SA 4.0).Updated 2026-10-24.