Thanks for that Derek, though I had seen the Canadian one and I was aware of the british ones (cos they keep coming up on soaring news sites whenever anyone mentions Puchacz, like here; https://www.mail-archive.com/aus-soaring@lists.internode.on.net/msg07341.html ).

I am just intrigued by the "two US test pilots" ones, which I've never found any real information about.

It's now been more than 15 years since the first high profile accident (the Californian one, in the table below) and about 10 years since the main peak of interest. There appears to be almost 300 of them still flying, with no obvious deficiencies since the mid 2000s, except whenever someone mentions spins and Puchacz in the same message on the internet.

Regards
SWK

On 28/12/2014 9:34 AM, Derek Ruddock wrote:

From http://www.bst-tsb.gc.ca/eng/rapports-reports/aviation/2005/a05o0204/a05o0204.asp

"In 1990, a Puchacz spinning accident that resulted in two fatalities was investigated by the Transportation Safety Board of Canada (TSB). It was determined that the glider had inadvertently entered a spin at an altitude that was too low to allow for recovery. In 2004, the United Kingdom Air Accidents Investigation Branch (AAIB) investigated a Puchacz spinning accident that resulted in two fatalities. The AAIB report^1 <http://www.bst-tsb.gc.ca/eng/rapports-reports/aviation/2005/a05o0204/a05o0204.asp#N_1> noted that Puchacz gliders had been involved in five previous spinning accidents in the United Kingdom, four of which resulted in fatalities, and the majority of which were the result of inadvertent spins.

The AAIB report made reference to a British Gliding Association (BGA) - sponsored low-speed handling trial of the Puchacz that was conducted in 1994 in response to three fatal Puchacz spinning accidents between 1990 and 1993. The trial was flown by test pilots and instructors. The Puchacz spin recovery was judged against the following standard spin-recovery technique, as outlined in Joint Aviation Regulation (JAR) 22, Acceptable Means of Compliance:

 1. Check ailerons neutral.
 2. Apply rudder opposite spin.
 3. Ease control column forward until rotation ceases.
 4. Centralise rudder and ease out of ensuing dive.

The Canadian equivalent to JAR 22 is the /Canadian Aviation Regulations/ (CARs), Part V - Airworthiness, Standards, Airworthiness Manual Chapter 522, which covers airworthiness standards for gliders and powered gliders.

The trial confirmed that the glider was compliant with JAR 22; however, it considered two areas worthy of additional comment. The glider was considered only marginally compliant in respect of stalls during turns, and it was noted that avoidance of uncontrolled rolling and spinning off a turn was reliant on pilot awareness and skill. The trial also noted that the height loss in a spin was significantly greater than on other glider types and that this was largely due to the steep attitude (70ยบ nose down) of the developed spin."

*From:*aus-soaring-boun...@lists.internode.on.net [mailto:aus-soaring-boun...@lists.internode.on.net] *On Behalf Of *stephenk
*Sent:* Sunday, 28 December 2014 1:06 AM
*To:* Discussion of issues relating to Soaring in Australia.
*Subject:* Re: [Aus-soaring] ASK21 spinning was Re: Spin training

Mike,
you've made this claim before. I assume it is another incident, not the Caracole one (because they weren't that high, nor were they ex test pilots) But I've never been able to find any other references to an accident like this and the NTSB database only seems to show up 4 Puchacz accidents in total

*EventId*

        

*InvestigationType*

        

*AccidentNumber*

        

*EventDate*

        

*Location*

        

*Country*

        

*Latitude*

        

*Longitude*

        

*AirportCode*

        

*AirportName*

        

*InjurySeverity*

        

*AircraftDamage*

        

*AircraftCategory*

        

*RegistrationNumber*

        

*Make*

        

*Model*

20040730X01116

        

Accident

        

LAX04CA270

        

07/18/2004

        

Lone Pine, CA

        

United States

        

36.588333

        

-118.051944

        

O26

        

Lone Pine

        

Non-Fatal

        

Substantial

        
        

N19SZ

        

PDPS PZL-BIELSKO

        

SZD-50-3

20040406X00422

        

Accident

        

FTW04LA103

        

04/04/2004

        

Cherry Valley, AR

        

United States

        

35.370834

        

-90.750556

        
        
        

Non-Fatal

        

Substantial

        
        

N18SZ

        

PDPS PZL-Bielsko

        

SZD-50-3

20030605X00794

        

Accident

        

LAX03LA165

        

05/26/2003

        

Minden, NV

        

United States

        

39.000278

        

-119.750833

        

MEV

        

Minden-Tahoe Airport

        

Non-Fatal

        

Substantial

        
        

N503HC

        

PZL-Bielsko

        

SZD-50-3

20001211X10620

        

Accident

        

LAX98FA235

        

07/17/1998

        

CALIFORNIA CITY, CA

        

United States

        
        
        
        
        

Fatal(2)

        

Destroyed

        
        

N7215L

        

PZL-Bielsko

        

SZD 50-3


Do you have any other references?

Regards
SWK


On 27/12/2014 10:22 PM, Mike Borgelt wrote:

    Well one was two USAF test pilot school graduates from at least
    3500 feet AGL.

    Mike


    On 27 Dec 2014, at 7:03 pm, Paul Bart <pb2...@gmail.com
    <mailto:pb2...@gmail.com>> wrote:

        I wonder how many of them were off a winch from 1200 ft?

        Cheers

        Paul

        On Dec 27, 2014 8:29 PM, "druddock" <drudd...@iinet.net.au
        <mailto:drudd...@iinet.net.au>> wrote:

        From memory there have been about 26 fatalities as a result of
        spin training in the Puchaz.

        If you want to release the controls in a spin go ahead but
        please don't take anyone with you



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