Handley Page Dart Herald - Variants

Variants

HPR-3 Herald

Prototype with four piston engines - seating capacity 44

HPR-7 Dart Herald

Series 100

Initial Dart turboprop production version. 4 built.

Series 200

Fuselage length increased from 71 ft 11 in to 75 ft 6 in and maximum accommodation rose from 47 to 56 seats. 36 built.

Series 300

Proposed version with modifications to meet United States Airworthiness requirements.

Series 400

Side-loading military transport derivative of the Series 200 incorporating a strengthened floor for carrying freight, 50 troops or 24 casualty stretchers and medical attendants. 8 built for the Royal Malaysian Air Force.

Series 500

Proposed more powerful version of the 400.

Series 600

Proposed version with 5 ft (1.5 m) increase in fuselage length and more powerful Dart turboprops. High-density accommodation for 64-68 passengers.

Series 700

Longer range version similar to the Series 600 but without fuselage lengthening. Ten ordered by VASP but production not initiated.

HPR-8

Planned car-ferry derivative of Herald to meet 1959 Silver City Airways requirement. It had a new, unpressurised fuselage with clam-shell doors in nose, capable of carrying six cars or 100 passengers. It was rejected in favour of the Aviation Traders Carvair and went unbuilt.

HP.124

Proposed tactical transport with rear loading ramp for RAF. Unbuilt.

HP.125

Proposed V/STOL transport based on HP.124, with 18 Rolls-Royce RB162 lift-jets in underwing pods. Unbuilt.

HP.127 "Jet Herald"

1962 study for pure jet-powered development of Herald. Based on basic Herald design but with a stretched fuselage, accommodating up to 70 passengers, and powered by two Rolls-Royce Spey turbofan engines slung in pods under the shortened but still straight wings. Project unbuilt.

HP.129 "Mini Herald"

Design for smaller, jet-powered derivative of Herald, powered by two Speys and seating 30 passengers. Unbuilt.

HP.131

Improved HP.124 offered to Belgium in 1965 along with HP.132 and HP.133. Unbuilt.

HP.132

Variant of HP.133 with additional General Electric CF700 boost engines in wingtips. Unbuilt.

HP.133

As HP.132 but with CF700s in retractable nacelles. Unbuilt.