Brazilian CTA IPD/PAR Aircraft

hesham

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From Brazil,

IPD-6504 : experimental twin engined light transport aircraft enter production as Embraer EMB-110.
IPD-5802 :military observation version of Neiva 56D light aircraft.
IPD-6201 Universal :two seat low wing basic trainer aircraft entered
production as Neiva Universal N621 (T-25).

by the way, the IPD-6505 was sure sailplane.
 
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Hi,

the Brazilian CTA IPD/PAR Maraba was twin-turboprop
transport aircraft project of 1967,intended to replace
the Brazilian Air Force's Douglas C-47s,it was a stretched
version of the Embraer IPD/PAR-6504 Bandeirante,it
could carry 30-passenger and probably with high-wing
configuration.

http://www.flightglobal.com/pdfarchive/view/1968/1968%20-%200953.html
http://www.flightglobal.com/pdfarchive/view/1968/1968%20-%200956.html
 
What about pictures of the aircraft? Are they known at all?

Piotr
 

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Hi,

the Aviabras A-90A given the CTA designation IPD-6101.
 
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Hi,

does anyone hear about IPD-5901 ?.
 
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Hi Hesham :)
I think the IPD-5901 was in fact the prototype of what became the military C-42/U-42/L-8 Regente series built by Neiva. The aircraft first flew on 7 September 1961 and had a 180hp Lycoming O-360-A1A engine. A commercial production was planned as the Model 360-C, but was never built.
 
Also we can remember;

Beija-Flor;

BF-1
was two-seat light helicopter prototype
BF-2 was a light helicopter Project
BF-3 ------?
BF-4 was a very light helicopter Project
Convertiplane was a convertiplane designed with co-operate with Focke
1940 was an amphibian tourist Project,co-operate with Couzinet
 
From Icare 242,

here is some Info about IPD-6501,IPD-6502 & IPD-6503;

Initially, the possibility of producing the MH-250 "Super Broussard", but the latter is too small, and capable
of performance too limited in autonomy and speed to meet needs expressed by the military. Consequently,
it is decided to create a derivative turboprop MH-260. First projects, called IPD / PAR-6501 to 6503, must
carry Turbomeca turbines"Astazou" or "Bastan", but was finally selected the IPD / PAR-6504 with low wing
fitted with American turbines Pratt & Whitney PT6-A-20 of 580 hp. To do this, with the support of engineer
Paulo Victor da Silva, the management of the design office is entrusted, logically, to Max Hoiste, who benefits
from accommodation provided by CTA.
 

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From, Enciclopedia de Avioes Brasileiros,

the IPD-5801.
 

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I thought I would try to pull all known CTA designations together in one chronological list.

Centro Técnico de Aeronáutica - Background

The government of Brazil established the Comissão de Organização do Centro Técnico de Aeronáutica (COCTA or the Organizing Committee of the Aeronautics Technical Center) in March 1949. On 01 January 1954, the Centro Técnico de Aeronáutica (CTA or Aeronautical Technical Center) was officially established and COCTA was dissolved. By 1953, CTA had two units. One was the Instituto Tecnológico de Aeronáutica (ITA or Aeronautical Technical Institute) - an aviation technician training facility. [1] The second was the Instituto de Pesquisa e Desenvolvimento (IPD or the Research and Development Institute) which was responsible for both research and prototyping. Initially, the IPD absorbed virtually all of the graduates of the ITA.

Prototyping was handled by the PAR - the Departamento de Aeronaves do IPD (or IPD Aircraft Department). For some reason, Brazilian sources never seem to actually define this PAR acronym. [2] The CTA has now been rebranded as the Centro Técnico Aeroespacial (Aerospace Technical Center).

CTA Aircraft Project Designation Styles

Early CTA designations include the separate Heliconair (HC) series and Beija-Flôr (BF) series. Both sequences related to Heinrich Focke projects - the HC series to convertiplanes, the BF series to helicopters. A later, rationalized sequence was the IPD or IPD/PAR series (many sources use these interchangeably - it probably began as an IPD series being incorporating the Aircraft Department acronym as IPD/PAR).

The IPD and IPD/PAR series numbers are based on the year followed by design order. So, the embryonic Bandeirante utility transport designated IPD/PAR-6504 stood for the IPD's fourth aircraft of 1965.

BTW, there don't appear to have been any designated IPD projects from 1960, 1963-1964, or 1966. I have speculated that the unbuilt Maraba turboprop transport may have been designated in the IPD/PAR-670x sequence. Of course, alternatively, the Maraba project may have received no IPD designation at all.

__________________________________________

[1] The ITA has since been renamed as the Instituto de Aeronáutica e Espaço (IAE or Institute of Aeronautics and Space).

[2] This is also true for the other three IPD technical departments - PEA (Departamento de eletrônica do IPD); PMO (Departamento de motores do IPD); and PMR (Departamento de materiais do IP).

__________________________________________


CTA Aircraft Project Designations

Heliconair Series


On arrival in Brazil, Heinrich Focke began work on Focke metatrepoplano (convertiplane) concepts. This was
partially realized as ITA's Heliconair HC-Ib Convertiplano.

Heliconair: (Project) 4-rotored Spitfire XIV-based convertiplane
- HC-I : (Project) 1 x 3,000 hp Armstrong-Siddeley Double Mamba turboshafts
-- Armstrong-Siddeley declined to sell its turboshaft engines to Brazil
- HC-Ib: 1 x 2,200 hp Wright R-3350 radial driving 4 x extention shafts
-- Semi-completed (engine installed) but HC-Ib conv. was never flown
- HC-II: (Project) 4 x tilting 1,400 hp General Electric T58 turboshafts

Beija-Flôr (Hummingbird) Series

BF-1 Beija-Flôr: 1959 2-seat light helicopter, Henrich Focke design, x 3
- BF-1: 1 x nose-mounted 225 hp Continental E225 HO6, main rotor diam. 9.00 m
-- BF-1 prototype abandoned after being damaged during flight tests

BF-2 Beija-Flôr: (Project) 4-seat light helicopter, BF-1 refinement
- BF-2: Engine moved to centre fuselage, convential tail/tail rotor*
-- * Rather than the twin, intermeshing tail rotors of the BF-1

BF-3 : (hypothetical designation)

BF-4 Beija-Flôr: (Project) 4-seat light helicopter, poss. conf. with BF-2

CTA Aircraft Project Designations - IPD and IPD/PAR Series

IPD 5801 - 1958 2-seat sailplane trainer, Neiva B Monitor deriv.
- IPD 5801: Monitor fuselage mated to new wings, span 14.00 m*
- IPD 5801: Single prototype went to CTA's Club de Voo-à-vela
-- *Original Neiva B Monitor wing had a span of 15.86 m

IPD-5802 - Campeiro high-winged liaison aircraft, x 2 prototypes
- IPD-5802: Military observation deriv. of Neiva 56D Paulistinha

IPD-5901 - Regente high-winged liaison aircraft, all-metal const.
- IPD-5901: Prototype Neiva Regente 360C, FAB U-42 (later C-42)*
-- NB: FAB L-42 was based on revised, 3-seat Regente 420L model

IPD-600x - (??)

IPD/PAR-6101 - Low-wing 4-seat basic trainer/light a/c
- IPD/PAR-6101: Avibrás A-90A Alvorada (Dawn)*
-- Tricycle u/c; prototyped or unbuilt project(?)

IPD-6201 - Universal, low-winged 2-seat military basic trainer
- IPD-6201: Entered production as Neiva N 621 Universal, FAB T-25

IPD-630x-IPD-640x - (??)

IPD/PAR-6501-6504 - (Projects) Deriv.s of French Max Holste MH-260
- IPD-6501: 1 x Turbomeca Astazou or Bastan turboprop
- IPD-6502: 1 x Turbomeca Astazou or Bastan turboprop
- IPD-6503: 1 x Turbomeca Astazou or Bastan turboprop
- IPD-6503: 1 x 580 hp P&WC PT6A-20 turboprop

IPD/PAR-6504 - Bandeirante twin-engined light transport aircraft
- IPD/PAR-6504: Prototype Embraer EMB-110 Bandeirante
- IPD/PAR-6504: 2 x 550 shp P&WC PT6A-20, preserved as FAB YC-95

IPD/PAR-6505 - 1968 Urupema single-seat sailplane sport trainer
- IPD/PAR-6505: Production as Embraer EMB-400 Urupema in 1969
-- Design begun in 1964 by ITA students under Prof. Guido Pessotti

IPD/PAR-660x - (??)

IPD/PAR-670(?) - (Project) Maraba twin-turboprop transport
- IPD/PAR-670(?): Speculative designation
- IPD/PAR-670(?): FAB C-47 repl., stretched IPD/PAR-6504*
-- * Or possibly re-arranged components w/ high wings?
 

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