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#17
11-23-08, 03:59 AM
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Quote:
IIRC, Cessna told me this kit fits all serial numbers. Last edited by Tony : 11-25-08 at 02:28 AM. 
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#18
11-23-08, 10:37 AM
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Quote:
Can you provide more information, such as part number or kit number?
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#19
11-23-08, 12:27 PM
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I will get the kit number and post it tomorrow.
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#20
11-24-08, 09:34 AM
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Herb,
Mary & I have flown 1968 T337C's with BAS inertial reel shoulder restraints for the last 6 years, and they're comfortable for me. Mary complained of them rubbing against her neck, so she made little sheep skin sheathes which attach via velcro, and now finds 'em comfortable. If you're around 6 feet tall, they should be OK. Apparently BAS got the STC for T337C's during recent years, so they can now be installed on that basis. They're inertial reel - a definate advantage over non-extending shoulder harnesses, and have two straps, which is probably better than one diagonal strap at preventing one's upper body from going through the instrument panel on impact. Is the Cessna kit inertial reel? Paul & Mary
__________________
Paul T337C
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#21
11-25-08, 02:27 AM
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Service kit number is sk337-55a2. Double check with Cessna for applicability. This is pilot and copilot seat. No inertia reel as far as I know.
Last edited by Tony : 11-25-08 at 09:16 PM.
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#22
11-25-08, 06:58 AM
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The inertia reel seat belts are about $600 each from Cessna.
Pete
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#25
01-11-11, 02:55 PM
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FYI: Airbags and Shoulder Harnesses
Resurrecting an old thread...Just FYI: NTSB recommends requiring GA aircraft to have shoulder harnesses/airbags--two years after you folks discussed their benefit here, on this board!
Links for more info: http://www.basinc-aeromod.com http://www.faa.gov/aircraft/gen_av/harness_kits/ NTSB News Release below (Jan 11, 2011): ************************************************** ********* NTSB PRESS RELEASE ************************************************** ********* National Transportation Safety Board Washington, DC 20594 FOR IMMEDIATE RELEASE: January 11, 2011 SB-11-03 ************************************************** ********* NTSB STUDY SHOWS THAT AIRBAGS CAN PROVIDE OCCUPANT PROTECTION IN GENERAL AVIATION ACCIDENTS ************************************************** ********* Today the National Transportation Safety Board adopted a study that concluded that general aviation (GA) airplanes equipped with airbags provide additional protection to occupants in accidents involving survivable forward impacts. Airbags are designed to mitigate head and upper body injuries and are installed in the lap belt or shoulder harness portions of the restraint system. They were first approved for use in the pilot and co-pilot seats in GA aircraft in 2003. Currently, there are nearly 18,000 airbag- equipped seats in over 7,000 of the 224,000 GA aircraft in the United States. "Although airbags have been mandated in automobiles for over a decade, the aviation industry has no such requirement for small aircraft," said NTSB Chairman Deborah A.P. Hersman. "The good news is that over 30 manufacturers have stepped up to the plate and offer airbags as standard or optional equipment." The study, which examined 88 accidents involving airbag- equipped airplanes that occurred between 2006 and 2009, found no instances where the airbag caused harm in properly restrained occupants. In addition, the study found 10 survivable accidents in which the crash forces were severe enough to cause injury and/or to deploy the airbag. Within the group of 10 accidents, 12 occupants experienced airbag deployments, and the study found that the airbag likely mitigated injuries for two of the occupants. The study also noted that there were no negative consequences as a result of airbag deployments. For instance, there were no cases in which the airbags were expected to deploy but did not. Nor were there any cases that involved airbags deploying under unexpected circumstances, hindering egress, fueling post-crash fires or interfering with rescue attempts. Yet investigators did uncover some safety issues with restraint systems. One such issue involved the incorrect usage or adjustment of seat belts. In certain aircraft types, the seat belts in the left and right seats can become reversed, which could result in the wrong airbag being activated if only one of the seats is occupied. There were also concerns with optimal airbag protection for occupants whose body mass indexes (BMI) classified them as either overweight or obese (BMIs of 25 or higher). The NTSB questions whether the airbag-equipped restraints were designed and tested with the high-BMI population in mind. An additional finding of this study was the strong affirmation that correctly installed shoulder harness/lap belt combinations provide significantly greater protection in GA accidents than that offered by a lap belt alone. Based on an analysis of over 37,000 GA accidents, the Board concluded that the risk of fatal or serious injury was 50 percent higher when an occupant was only restrained by a lap belt as compared to the combination lap belt and shoulder harness. "The simplest and cheapest improvement to the safety of general aviation aircraft occupants is the mandatory installation of shoulder harnesses," said Hersman. The five-Member Board voted to adopt six safety recommendations, all directed to the Federal Aviation Administration: 1. Require manufacturers to modify restraint systems vulnerable to being used incorrectly in newly built GA airplanes and to modify restraints in existing airplanes. 2. Revise the guidance and certification standards for restraint systems to reduce the likelihood of misuse. 3. Modify the guidance to GA airbag manufacturers as to how they should demonstrate that an airbag design provides adequate protection for a greater range of body sizes, including very small and very large individuals. 4. Require the retrofitting of shoulder harnesses on all general aviation airplanes that are not currently equipped with such restraints. 5. Evaluate the feasibility of requiring airbag-equipped aircraft to capture and record crash dynamics data to determine whether the system performed as designed. 6. Develop a system to track safety equipment, such as restraint systems, airbags, and aircraft parachutes, designed to improve crash outcomes. The complete safety study will be available at www.ntsb.gov in several weeks. ### Fly safe!
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