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Category Archives: aircraft maintenance

Wrinkles around the landing gear?

Posted on May 2, 2017 by Scott Smith
Question:  

I’m looking at a tail wheel aircraft that has wrinkles or dents around where main landing gear legs go into the fuselage. It also looks like a patched area.  There is nothing in the logbooks about repairs, has this aircraft been wrecked?
Answer:

Wrinkles do not mean wrecked. But they do typically indicate previous damage or stress. I’d guess the aircraft has had a few hard landings or even a few ground loops. Make sure the mechanic looks for the FAA “Form 337, Major Alteration and Repair” in the aircraft records. You can also order (through the FAA or other search companies) a copy of the FAA 337 Forms for a specific “N” number  aircraft.  This report will show you any Form 337’s that have been filed with the FAA on that particular aircraft.  If that doesn’t show any damage all you have is visual information.

Whatever the result, the mechanic should inspect the gear attach points for un-repaired damage.   Landing gear on any aircraft gets a lot of stress.   Custom built aircraft are notorious for landing gear damage, along with training aircraft.  It doesn’t matter if it is a conventional gear (tail wheel) aircraft or a tri-gear aircraft.  New pilots have a tendency to make hard landings and newly completed custom aircraft take a while to become accustom to.   Don’t be surprised, just make sure the aircraft is inspected carefully.   
Posted in aircraft accident, aircraft maintenance, aircraft mechanic, aviation insurance, damaged aircraft, EAA, FAA, landing gear, prebuy inspection, tail wheel |

NEW EAA DVD SAVES YOU TIME AND MONEY ON AIRCRAFT PREVENTIVE MAINTENANCE

Posted on April 13, 2017 by Scott Smith

EAA-2017-16
For more information, contact:
Dick Knapinski, EAA Communications
(920) 426-6523
dknapinski@eaa.org  
FOR IMMEDIATE RELEASE
NEW EAA DVD SAVES YOU TIME AND MONEY ON AIRCRAFT PREVENTIVE MAINTENANCE
Certificated aircraft owners benefit from latest in EAA’s famed how-to video series
EAA AVIATION CENTER, OSHKOSH, Wisconsin — (April 13, 2017) — A new how-to video from the Experimental Aircraft Association gives certificated aircraft owners a better understanding of preventive maintenance and ways to save money by personally completing some of the tasks.
Aircraft Ownership: Understanding Owner Preventive Maintenanceis a multi-part video series combined on one DVD. It shows certificated aircraft owners how to legally maintain an aircraft in accordance with FAA preventive maintenance regulations.
“There are many tasks that a certificated aircraft owner can do that are completely legal under FAA regulations and will save money,” said Charlie Becker, EAA’s director of chapters, communities and homebuilt community manager. “This DVD will help those aircraft owners plan maintenance and have confidence in what they can do themselves and when to go to the next level.”
More than four hours of video are organized in easy-to-follow categories, so a viewer can find exactly what is needed. Included are extensive discussions of the legal and technical requirements, plus dozens of hands-on demonstrations with step-by-step guidance on basic preventive maintenance projects.
The demonstrations include such areas as:
·         Landing gear and tires
·         Safety wire and cotter pin replacement
·         Hydraulic fluids
·         Safety belts and seat parts
·         Landing and position lights
·         Spark plugs and batteries
·         Fuel and oil screens and filters
The video segments are hosted by Dick and Bob Koehler, EAA SportAir Workshop instructors, who each hold Airframe and Powerplant (A&P) mechanic certificates with Inspection Authorization (IA) privileges. Their vast knowledge and teaching skill provide the knowledge and techniques needed to perform basic preventive maintenance procedures.
The DVD is available at EAA.org/shop for $36.95, with special discounts for EAA members.
About EAA

EAA embodies the spirit of aviation through the world’s most engaged community of aviation enthusiasts. EAA’s 200,000 members and 1,000 local chapters enjoy the fun and camaraderie of sharing their passion for flying, building and restoring recreational aircraft. For more information on EAA and its programs, call 800-JOIN-EAA (800-564-6322) or go to www.eaa.org. For continual news updates, connect with www.twitter.com/EAA. 
Posted in aircraft maintenance, aircraft ownership, Airventure, aviation insurance, aviation market, cost of ownership, EAA, FAA, Oshkosh |

Murphy Moose or Cessna 185?

Posted on March 17, 2017 by Scott Smith
Question. 
I’m considering either building a Murphy Moose, or buying a Cessna 185.  I want it for flying in canoes and kayaks to remote locations in North America (last trip was canoeing near the Arctic Ocean).  I’m not yet even a private pilot (but will be by summer).  I want a budget planning estimate of what the operating cost of either of these aircraft are going to cost me, equipped with amphibious floats, for a qualified pilot with low hours.  Can you do that?










Answer. 
Sort of.  I consider the Murphy Moose and the Cessna 185 to be pretty close in operational costs as far as fuel burn, maintenance etc.  A lot will depend on the engine used in the Moose.  Another big difference will be that you will build the Moose and you can do the maintenance if you have the repairman certificate.  The Cessna 185 will need a shop and mechanic to do the repairs.  But the savings you get in maintenance for the Moose will probably be made up in the insurance premiums.  Since it is an experimental aircraft and since it will be on amphibious floats, insurance will be almost impossible or at least very, very expensive.  Not to say the insurance for a low time pilot in a Cessna 185 will be that much lower, it will still be expensive. 
I’d look into calculating the average cost to operate a Cessna 185 or maybe even a 206. Contact me for a free sample cost of ownership Excel spread sheet. 
I’d also contact a few owners and see what they are saying.  I have been told that the Cessna 185 costs about $130 an hour to operate, not counting the floats.  It would be worth your while to do a little research before you make a decision. 
It will also be necessary for you to build up a number of hours as a pilot AND as a seaplane pilot.  The chances for a low time pilot (under 500 total time and 100 seaplane hours) of getting any insurance will be very low. 
That might also make the difference in which aircraft you get.  If you build (or build) the aircraft without having to borrow money, insurance might not be required.

On a side note: Murphy Aircraft feels the Moose is probably closer in operation to a Dehaviland Beaver.   Okay, I have to say, that’s a selling point for the Moose right there. Who hasn’t wanted a Dehaviland Beaver?  I may be a Cessna fan but a round engine aircraft on Amphibs…

Posted in aircraft insurance, aircraft maintenance, aircraft ownership, aircraft sales, aircraft training, amphibs, canoes, Cessna, Cessna 185, Cessna 206, Dehaviland Beaver, EAA, float planes, Murphy Moose |
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