What Cessna models is the ABI-0742152 tail gear assembly approved for?

The ABI-0742152 is approved for Cessna 180 (all variants 180 through 180K) and Cessna 185 (185 through 185E, A185E, and A185F). It is FAA-PMA and STC approved under SA02299SE.

What does the ABI-0742152 kit include?

The complete assembly includes: ABI-0742152-2 tail gear spring, ABI-0742150-2 saddle tube, ABI-0742146-10 saddle assembly, ABI-0742151-1 spring stopper, 2x ABI-0742112 angled bushings, ABI-0742100-6 washers, ABI-0742179-1 black washers, NAS6205-31 bolts, AN960-516L washers, MS20392-1C33 clevis pins, cotter pins, and all-metal lock nuts. STC documentation is included.

How does the ABI-0742152 differ from the OEM Cessna tail spring?

The ABI spring features an increased spring angle (from 14.5 to 16.5 degrees) and increased end diameter on older model aircraft. These changes allow installation of a heavier-duty spring and are specifically designed to reduce the incidence of tailwheel shimmy. Otherwise, installation is identical to OEM and no maintenance manual changes are required.

Does the ABI-0742152 include the tailwheel assembly?

No. The tailwheel assembly is not included and must be retained from the removed OEM assembly. If the existing tailwheel head is not compatible with a 1-1/8" diameter tail spring, a new tailwheel head capable of accommodating the 1-1/8" spring will be required.

What should I do before mounting the tailwheel assembly onto the new ABI spring?

Lubricate the unpainted end of the tail spring with rust preventative oil or grease before installing the tailwheel assembly. This prevents corrosion and galling of the aluminum during and after installation.

Can worn bolt holes in the ABI-0742152 spring be drilled or reamed oversize?

No. The spring is a heat-treated and stress-relieved component. Drilling or reaming oversized holes in the spring is not acceptable. If the spring bolt holes are worn, the saddle and spring assembly must be replaced.

How do I diagnose excessive play in the ABI-0742152 tail gear?

Move the tail side to side and inspect visually for movement between the fuselage and the tail gear. If play is present, check the torque on the saddle bolts and tailwheel attach bolts first. If play remains after verifying torque, remove the assembly and inspect the saddle, tailwheel, and spring bolt holes for wear. Replace worn components with new ABI parts.

What are the saddle bolt torque specs for the ABI-0742152?

Torque the NAS6205-31 saddle bolts to 160 in/lbs. Torque the attachment bolts per the Cessna 100 Series Service Manual.

What is the installed weight of the ABI-0742152 tail gear assembly?

The installed weight is 11.13 lbs. To calculate the net weight change, subtract the weight of the removed OEM assembly from 11.13 lbs, then revise weight and balance accordingly.

What inspection interval applies to the ABI-0742152?

Visually inspect before each flight for corrosion, cracks, or damage. Perform a full inspection per the ICA at each 100-hour and annual inspection. There are no additional airworthiness limitations associated with this assembly.

Is STC paperwork available separately for the ABI-0742152?

Yes. STC paperwork only is available under part number SA02299SE for owners who need the documentation separately from the hardware.

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Home / Shop Parts / ABI-0742152

P/N: ABI-0742152

Name: TAILSPRING ASSEMBLY, Cessna 180/185
Brand: Alaska Gear Company
SKU: ABI-0742152
Price: 5477.0 USD
Availability: InStock

TAILSPRING ASSEMBLY, Cessna 180/185

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Approval
Condition	New
Manufacturer	Alaska Gear Company
Dimensions	L: 40 x W: 8 x H: 9 in
Weight	13 lbs
Unit of Measure	Each
Retail Price	$6,846.25
Your Price	$5,477.00
Stock Status	In Stock

Eligible Aircraft

Documents

FAQs

Frequently Asked Questions

Eligible Aircraft

Make	Model	Start S/N	End S/N	Eligibility Chart
Cessna	180	30000	32661	7842
Cessna	180A	32662	50355	7842
Cessna	180B	50356	50661	7842
Cessna	180C	50662	50911	7842
Cessna	180D	18050912	18051063	7842
Cessna	180E	18051064	18051183	7842
Cessna	180F	18051184	18051312	7842
Cessna	180G	18051313	18051445	7842
Cessna	180H	18051446	18052284	7842
Cessna	180J	18052285	18052384	7842
Cessna	180J	18052385	18052770	7842
Cessna	180K	18052771	18053203	7842
Cessna	185	185-0001	185-0237	7842
Cessna	185A	185-0238	185-0512	7842
Cessna	185B	185-0513	185-0653	7842
Cessna	185C	185-0654	185-0776	7842
Cessna	185D	185-0777	185-0967	7842
Cessna	185E	185-0968	185-1149	7842
Cessna	A185E	18501600	18502090	7842
Cessna	A185E	185-0968	185-1599	7842
Cessna	A185F	18502091	18502310	7842
Cessna	A185F	18502311	18504448	7842

Eligibility Chart 7842 Notes

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Product Details

ABI Cessna 180/185 Tailspring Assembly

ABI-0742152 Tail Gear Assembly For Cessna 180 and 185 Aircraft
Features an increased-arch tail gear spring that reduces tailwheel shimmy. Includes STC documentation and all mounting hardware. FAA-PMA and STC approved. This kit includes STC and the following components:

Part Number	Description	Qty
ABI-0742152-2	Tail Gear Spring	1
ABI-0742150-2	Tail Spring Saddle Tube	1
ABI-0742112	Tailspring Angled Bushing	2
ABI-0742100-6	Washer	4
ABI-0742179-1	Black Washer	2
ABI-0742146-10	Tailspring Saddle Assembly	1
ABI-0742151-1	Tailspring Stopper	1
NAS6205-31	Bolt	2
AN960-516L	Washer	2
MS20392-1C33	Clevis Pin	2
	1/6” Cotter Pin for Castle Nut	2
	Nut: All Metal Lock	2