building a Do-228 under license is a smart move
it is unlikely HAL will ever get to build C-130 or C-17 class aircraft under license
HAL has manufactured HS-748 turboprop 48 seater aircraft during 1960-1984 and it is still in service to its air worthiness standard. Also, currently manufacturing/maintaining the 19 seat Dornier DO-228 aircraft for different customers (Civil & Defense).
“Considering the current situation where a limited number of models of
50-80 seater aircraft are already developed and in service.
Maximum all up weight shall be between 20,000 to 50,000 kgs.
Civil version:
50-80 passengers with luggage, cabin crew and attendants
Non-civil version:
2 Pilots, 2 observers, 6 spare crews in maritime recc. Role
Under wing pylons for carriage of stores.
Pods for carriage of dispersant for pollution control.
Radar, INS, GPS, IR scanners.
Flares light armament and rocket pods etc.
Maximum cruise – not less than 450km/hr at 20,000 ft and above
Patrol speeds: 400 km/hr
Field Operations: Should be able to operate from ill equipped air fields in nearall weather conditions and CAT-II landing without any ground support,
Service ceiling: Not less than 20,000 ft and with one engine the ceiling shall be in excess of 15,000 ft
Endurance: Around 8 to 10 hours at patrol speeds with 10% reserve fuel and mission load Range: Not less than 1000 km with 10 % reserve & full payload.
Options for Standard Range, Extended Range and Long Range can be included in the response.
Take off field length: Less than 1200 meters at MTOW, SL ISA + 20° C
Landing: Landing distance less than 1400 meters.
The aircraft should be in service for at least 25years. The fatigue life for the aircraft should be:
About 90,000 hours of flying
About 72,000 landings