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Touring Motor Gliders Association (TMGA)
pik20e4me

AD note clarification for H-36

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pik20e4me

My query to the FAA regarding AD applicability of a recent AD affecting Diamond motorgliders. The response and the AD should be of interest to world-wide operators of these aircraft:

Dear Mr. Kiesov:

I own and maintain a Hoffman H-36, sn 3518 and also maintain another, sn 36212.

I found a very slight ambiguity in the applicability section of AD 2013-04-08. Am I correct in my understanding that H-36 aircraft to which this AD is applicable must fall within the serial number block 36300 through 36414? Or is it the intent that the AD applies to all H-36 and that applicability to the HK 36R is to that specified SN block?

The subject Diamond SB MSB 36-108 has no reference to H-36 models, but to HK 36 models only.

I'm not sure that the H-36 should be called out at all, as I suspect none fall within the SN block. (Not meant to be a factual statement.)

Thanks for your clarification.

There is nothing wrong with civil service retirement if you can have one of these toys!

Best,

Michael Stockhill

FAA response:

Thanks for the email. You are absolutely correct. FAA AD 2013-04-08 has

an error. The H-36 was included in the applicability by error. The HK36

was the correct model; however, that model is not TCed in the US.

We are in the process of amending the AD to remove the H36 from the

applicability of this AD,.

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pik20e4me

My query to the FAA regarding AD applicability of a recent AD affecting Diamond motorgliders. The response and the AD should be of interest to world-wide operators of these aircraft:

Dear Mr. Kiesov:

I own and maintain a Hoffman H-36, sn 3518 and also maintain another, sn 36212.

I found a very slight ambiguity in the applicability section of AD 2013-04-08. Am I correct in my understanding that H-36 aircraft to which this AD is applicable must fall within the serial number block 36300 through 36414? Or is it the intent that the AD applies to all H-36 and that applicability to the HK 36R is to that specified SN block?

The subject Diamond SB MSB 36-108 has no reference to H-36 models, but to HK 36 models only.

I'm not sure that the H-36 should be called out at all, as I suspect none fall within the SN block. (Not meant to be a factual statement.)

Thanks for your clarification.

There is nothing wrong with civil service retirement if you can have one of these toys!

Best,

Michael Stockhill

FAA response:

Thanks for the email. You are absolutely correct. FAA AD 2013-04-08 has

an error. The H-36 was included in the applicability by error. The HK36

was the correct model; however, that model is not TCed in the US.

We are in the process of amending the AD to remove the H36 from the

applicability of this AD,.

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