Atlas / STC / SA00780SE (PAGE 4)
FAA · Supplemental Type Certificate
STC SA00780SE (PAGE 4)
Installation of the True Lock Safety Retention Axle Lock Nut System
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (29)
- A12SO CPAC Inc. · 112
- A12SO CPAC Inc. · 112B
- A12SO CPAC Inc. · 112TC
- A12SO CPAC Inc. · 112TCA
- A12SO CPAC Inc. · 114
- A12SO CPAC Inc. · 114A
- A12SO CPAC Inc. · 114B
- A12SO CPAC Inc. · 114TC
- A00006SE Cub Crafters Inc. · CC18-180
- A00006SE Cub Crafters Inc. · CC18-180A
- 1A8 Helio Aircraft LLC · H-250
- 1A8 Helio Aircraft LLC · H-295 (USAF U10D)
- 1A8 Helio Aircraft LLC · H-391 (USAF UL-24)
- 1A8 Helio Aircraft LLC · H-391B
- 1A8 Helio Aircraft LLC · H-395 (USAF L-28A or U-10B)
- 1A8 Helio Aircraft LLC · H-395A
- 1A8 Helio Aircraft LLC · H-700
- 1A8 Helio Aircraft LLC · H-800
- 1A8 Helio Aircraft LLC · HT-295
- 1A13 REVO Incorporated · Colonial C-1
- 1A13 REVO Incorporated · Colonial C-2
- 1A13 REVO Incorporated · Lake LA-4-200
- 1A13 REVO Incorporated · Lake LA-4
- 1A13 REVO Incorporated · Lake LA-4A
- 1A13 REVO Incorporated · Lake LA-4P
- 1A13 REVO Incorporated · Lake Model 250
- A-806 Viking Air Limited · DHC-2 Mk.I
- A-806 Viking Air Limited · DHC-2 Mk.II
- A-806 Viking Air Limited · DHC-2 Mk.III
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗