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#1
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L 13 A Blaník's can fly again
but only variant L 13 A or equivalent (having reinforced wing spar),
and also when compliant with some additional limitations, see amended/new EASA AD at http://ad.easa.europa.eu/blob/easa_a...AD_2011-0135_1 |
#2
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L 13 A Blaník's can fly again
This is good news. However, the hardest part for most will be getting
buy in from th Mfg if you have no records of aerobatic flight. Another no-go will be if you cannot conform the wing. In certification speak, you must have the original structure and/or repairs to the letter of the MM and accurate records to substantiate said conformance. If you are like the majority and have repairs anywhere in the wing with non factory rivets, you are not in conformance. So many have not noticed that the Blanik rivets have a different geometry/strength compared to the Std US versions (NASM20426/NAS1097 ect). If the holes are not oversize, you might replace them with the correct hardware. You are allowed to use substitute sheet metal and and fittings as provided for in the O/H manual. However, major repairs will probably not be economical to redo. aerodyne |
#3
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L 13 A Blaník's can fly again
On Jul 20, 6:34*pm, aerodyne wrote:
This is good news. However, the hardest part for most will be getting buy in from th Mfg if you have no records of aerobatic flight. Another no-go will be if you cannot conform the wing. *In certification speak, you must have the original structure and/or repairs to the letter of the MM and accurate records to substantiate said conformance. If you are like the majority and have repairs anywhere in the wing with non factory rivets, you are not in conformance. *So many have not noticed that the Blanik rivets have a different geometry/strength compared to the Std US versions (NASM20426/NAS1097 ect). *If the holes are not oversize, you might replace them with the correct hardware. You are allowed to use substitute sheet metal and and fittings as provided for in the O/H manual. However, major repairs will probably not be economical to redo. aerodyne I also noticed that there's a 2500hr life limit on dual flying. Our L13 spent most of its time flying with a student and instructor on board; it may already be close to that limit. I'm not positive we could even figure it out anymore. -- Matt |
#4
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L 13 A Blaník's can fly again
Another link to review: http://www.aircraftdc.de/ENG/visionen_blanik.htm
Questions - Is an European solution valid in the US? Or do we need to wait for the FAA to weigh in? - What is the estimate cost of the EASA AD? (baring any additional rework beyond the AD needs) http://ad.easa.europa.eu/blob/easa_a...AD_2011-0135_1 Signed, We-Have-Two-L-13's-Gathering-Dust-and-what-is-the-scrap-value-of- aluminum? |
#5
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L 13 A Blaník's can fly again
On Jul 21, 10:26*am, ContestID67 wrote:
Another link to review:http://www.aircraftdc.de/ENG/visionen_blanik.htm Questions - Is an European solution valid in the US? *Or do we need to wait for the FAA to weigh in? - What is the estimate cost of the EASA AD? *(baring any additional rework beyond the AD needs) http://ad.easa.europa.eu/blob/easa_a...AD_2011-0135_1 Signed, We-Have-Two-L-13's-Gathering-Dust-and-what-is-the-scrap-value-of- aluminum? If some are not returned to service, perhaps a few can find display space in various venues. Others might make interesting simulators, as York Soaring developed a few years ago. It was used a public displays, for student training, and CFI-G reviews and scenarios with several instructors observing. No idea what the current status of that project is. Frank |
#6
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L 13 A Blaník's can fly again
From the AD regarding ratios/flight hours
"If the sailplane records are inconclusive, or if any of the types of operation exceeds the maximum limit, contact the TC holder for approved instructions and accomplish those instructions accordingly." What might these "approved instructions" be? Has anybody contacted the TC holder yet? |
#7
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L 13 A Blaník's can fly again
On Jul 21, 1:17*pm, Frank Whiteley wrote:
On Jul 21, 10:26*am, ContestID67 wrote: Another link to review:http://www.aircraftdc.de/ENG/visionen_blanik.htm Questions - Is an European solution valid in the US? *Or do we need to wait for the FAA to weigh in? - What is the estimate cost of the EASA AD? *(baring any additional rework beyond the AD needs) http://ad.easa.europa.eu/blob/easa_a...AD_2011-0135_1 Signed, We-Have-Two-L-13's-Gathering-Dust-and-what-is-the-scrap-value-of- aluminum? If some are not returned to service, perhaps a few can find display space in various venues. *Others might make interesting simulators, as York Soaring developed a few years ago. *It was used a public displays, for student training, and CFI-G reviews and scenarios with several instructors observing. *No idea what the current status of that project is. Frank Fantastic proposal! |
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