Go Back  PPRuNe Forums > Aircrew Forums > Rotorheads
Reload this Page >

Buying R44 with expired TBO and/or calendar?

Rotorheads A haven for helicopter professionals to discuss the things that affect them

Buying R44 with expired TBO and/or calendar?

Old 10th Jul 2018, 15:54
  #1 (permalink)  
Thread Starter
Join Date: Oct 2001
Location: ULLI
Age: 60
Posts: 100
Buying R44 with expired TBO and/or calendar?

I'm not a helicopter guy though flying rotary (gyros) for almost 20 years. Recently a local guy asked what can be pros&cons in purchasing an R44 with expired TBO and/or calendar to fly it without type certificate under local "experimental" category. We're in Russia and he just wants to fly privately within, say, 100 miles from his nest for his own pleasure. Is there any sense, I mean can such helicopter be operated safe if it expired TBO hours on engine and blades, or if it has over 12 years since main overhaul?
Any suggestions are greatly appreciated.
twistair is offline  
Old 10th Jul 2018, 19:23
  #2 (permalink)  
Join Date: Dec 2017
Location: London
Posts: 12
Depends how much the local guy values his life? and more important, the life of others....
Maintenance schedules are there for a reason, to prevent failures which can cause accidents (yes pilots can cause accidents too but that's not the question here).
Don't know any aviation regulations in Russia but I guess the well known quote "only in Russia" explains it a bit.

If you would buy a sports car, would you put sunflower oil in it since it's cheaper than the regular castrol etc. oil.
Would you skip the yearly maintenance on it ?
Guess not, why...because you don't want the car to break down or get any damage.
But on a helicopter which you might fly over populated areas you are willing to cut corners......
two words: Darwin Award.
FL020 is offline  
Old 10th Jul 2018, 20:25
  #3 (permalink)  
Join Date: Mar 2012
Location: unsteady
Posts: 348
But he only wants to fly 100mi out, what could possibly go wrong within such little distance!
whoknows idont is offline  
Old 10th Jul 2018, 21:21
  #4 (permalink)  
Join Date: Jan 2010
Location: UK
Posts: 507
Originally Posted by twistair View Post
Is there any sense?
No, there isn't
helihub is offline  
Old 10th Jul 2018, 22:50
  #5 (permalink)  
Join Date: Mar 2002
Location: Iceland
Age: 54
Posts: 813
You have PM
Aesir is offline  
Old 11th Jul 2018, 07:24
  #6 (permalink)  
Join Date: Oct 1999
Location: Nigeria
Age: 54
Posts: 4,757
Possibly the most bizarre question I have ever seen on PPRuNe!
212man is online now  
Old 11th Jul 2018, 08:52
  #7 (permalink)  
Join Date: Jun 2016
Location: Brantisvogan
Posts: 741
The Russian approach to aviation is not far off that of some South American countries.
Experimental doesn't mean that you get to avoid maintenance, it just has a more flexible approach to maintenance and with that restrictions on use.
Wanting to fly a timex aircraft sounds like an idea hatched over one too many Wodkas
Bell_ringer is offline  
Old 11th Jul 2018, 08:57
  #8 (permalink)  
Join Date: Mar 2006
Location: scotland
Posts: 208
If it has done 2200 hours then I would say definitely no. If it has done 12 years but less than 2200, the Austrian Authorities allow the remaining hours up to the 2200 to be flown as long as the mr/tr blades are changed and a few other small components. That said there few people I know that would do this, myself included. The spec is there for a reason and whether 100 miles or 1 mile a component failure in the air isn't going to be much fun for the occupants of the R44 or the possible people on the ground.

Last edited by bvgs; 11th Jul 2018 at 16:06.
bvgs is offline  
Old 11th Jul 2018, 09:29
  #9 (permalink)  
Thread Starter
Join Date: Oct 2001
Location: ULLI
Age: 60
Posts: 100
Originally Posted by 212man View Post
Possibly the most bizarre question I have ever seen on PPRuNe!
As we use to say here, "bizarre questions are way more rare than bizarre replies" =))

Thank you all guys for your time and replies. I for one completely agree that exceeding recommended TBO isn't wise especially in rotary where stress cycles are accumulated fast and any component failure becomes critical and costly. I've told about this to that guy and just wanted to ensure that I'm not excessively cautious. 20 years back I was taught that there are no too cautious in our game.

Fly safe,


Last edited by twistair; 11th Jul 2018 at 14:25. Reason: spelling correction
twistair is offline  
Old 11th Jul 2018, 15:33
  #10 (permalink)  
Join Date: Sep 2007
Location: Birmingham
Posts: 244
Robinsons provide lower cost flying often to schools with many hours from novice pilots. They set their component and TBO time to allow safe operation but at low cost. The regulators when agreeing the schedules do this on the basis they will be strictly adhered to. Maintenance should never, never be neglected on helicopters it might kill you or others. Bear in mind there are some on this forum who would be nervous flying such a type even if had been meticulously maintained.
birmingham is offline  
Old 15th Jul 2018, 05:37
  #11 (permalink)  
Join Date: Jan 2017
Location: Australia
Posts: 9
Ask your mate if he thinks any of these components would be handy to have working ok for his 100nm flight.
2200 hr overhaul BASIC R44 parts list:

C006 MR Gearbox
A120 Bell crank
C169 Muffler
C012 MR Flight Controls
A190 Drive V-Belts
C170 Sheave
C013 TR Flight Controls
C008 TR Assembly
C258 Pitch Links
C017 Swashplate
C016 MR Blades
C274 Windshields
C018 Clutch
C020 Upper Frame
C667 Skid Shoes
C021 TR Gearbox
C027 Cooling Panels
C947 & A947 Flex Plates
C051 Actuator
C121 P/P Tube
D079 TR Guard
D174 Fanwheel Engine
C005 MR Hub
D224 TR Driveshaft
C158 MR Spindles
C031 TR Pitch Control
C159 Pitch Bearings
C007-5 Fan Shaft & Bearing
zzodr is offline  
Old 24th Jul 2018, 15:57
  #12 (permalink)  
Join Date: Feb 2009
Location: A nice place
Posts: 160
The grown ups say its unfit for flight. What do they know give it a shot, but not over my house.
Pablo332 is offline  

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.