17(Fryday)-20Monday)of September,2004
17.Sep-Fryday Arrival and registration
Opening ceremony (18:00 - 20:00 )
18.Sep-Saturday Preliminary 1st round
19.Sep-Sunday Preliminary 2nd round
(Public holiday)
Fly-Off Round 1
Fly-Off Round 2
Closing ceremony

Contest Site

Utsunomiya R/C Flying Club (U.R.F.C)Airport in Utsunomiya-city

Contest Rules

2002 FAI Sporting Code
,Section 4b and 4c-part 5;Helicopters.
Preliminary 1st round 43 Pilots Schedule A
Preliminary 2nd round 43 Pilots
Fly-Off 1st round 15 Pilots Schedule B
Fly-Off 2nd round 15 Pilots

Low-Oil Fuel
All competitors have to use Official ecology fuel( 10%oil Fuel or 15%Nitro-18%Oil Fuel)

Low noise bonus score.
In all rounds .
(1) The noise measured value measured in 3m distance during hovering with the eye level in a starting box is below 85dB (A)
(2) The engine speed change under hovering performance is less than [ plus 100RPM ] from under noise measurement.

To the player who filled the above conditions (1) and (2), a judge judges the noise at the aerobatic manoeuvrest in maximum 5 points(K=0.4)), and adds it to the score table as one subject. (High and low cut is performed)

After the completion of two official preliminary rounds,the best score will be used to determine
the fly-off competitors.
The top 15 of all competitors then compete in two fly-off rounds to determine the final individual classification.

The matter about a safe flight .

1. In landing to the central helipad in hovering manoeuvre (schedules A and B each 1.2.3) (landing to a central helipad from a starting box is included), when a main rotor blade or a tail rotor blade contacts the ground landing or while [ after landing, ] taking off next, the flight is ended.

2. Wind direction and wind velocity .
When it becomes the conditions applicable to the following items, a game is interrupted temporarily. @Future judgment is based on deliberations of the Jury and the competition director.

A. Wind velocity 8 m/sec continues more than for 1 minute, and a wind direction is a case in front of about 45 degrees or more to a flight path (parallel to a judgment line).

B Even if . wind velocity 8 m/sec does not continue more than for 1 minute, when the wind of 10 m/sec blows frequently suddenly.

C. Even if it is a fair wind (parallel to a flight path), when it is thought dangerous that the wind of 12 or more m/sec of wind velocity blows intermittently, and continues a flight.

2005 F3C World Championships Japanese Team Trial
2005 W/C Japanese Team Trial
The top 15 of 2003 & 2004 Japanese Natiolals then compete in Japanese-Team Ttrial to determine the 2005 F3C W/C Japanese Team.

Japan Model Aeronautic Association(JMA)
Utsunomiya R/C Flying Club

Championships Director Akira Azuma J.M.A
Competition Director Shin Abe Chairman of J.M.A Helicopter S/C
Sports Director Eiji Sensui J.M.A Helicopter S/C member
'03 F3C W/C Japanese Team Managger
Sports Director Ichiro Komori J.M.A Helicopter S/C member
Sports Director Takanori Endo J.M.A Helicopter S/C member
Computer Service Yasofumi Hiramori J.M.A Helicopter S/C member
Frequency Control @ Jr Propo
@ Jr Propo
Time Control Hiroshi Nakayama IM
Transmitters Impound Sadami Hara JR Propo
Akira Togame Sanwa
Tecnical Staff Hiroshi Tamura Hirobo
Hideo Yamanaka DY Products
Model Flyght Utsunomiya R/C Frying Club Member


J.M.A Jury
Takayuki Sakai Vice Chairmam of J.M.A Helicopter S/C

Noise Level Judge
Noise Level Mersurment
Time Control
Kiyokazu Sugaki J.M.A Judge
'93,'95,'97,'01 F3C World Championships Judge member
Shigetada Taya J.M.A Judge
'99,2003 F3C World Championships Judge member
Zensuke Kawamura J.M.A Judge
Kensuke Hirooka J.M.A Judge
Kiyoyasu Kunii J.M.A Judge
Kuichi Yajima J.M.A Judge
Sadanobu Shintani J.M.A Judge
Takakiyo Kitagawa J.M.A Judge
Senji Watanabe J.M.A Judge
Takashi Ishimori J.M.A Judge
Michio Arai J.M.A Judge
Tsune Mikami J.M.A Judge
(C)Ichiro Komori,1998,2004,All rights reserved