The U.S. aircraft register, updated daily
Approved modifications · supplemental type certificate · current · reissued

SR02051LA

Installation of a VAn Horn Aviation Tail Rotor Blade. Held by Van Horn Aviation LLC, which holds 9 approved modifications in all. Last revised July 16, 2012. System: rotorcraft systems.

What it applies to

Kind of product
Aircraft
Design holder
Arrow Falcon Exporters Inc.; AST Inc.; Hagglund Helicopters LLC; International Helicopters Inc.; Northwest Rotorcraft LLC; Overseas Aircraft Support Inc; Richards Heavylift Helo Inc.; Robinson Air Crane Inc.; Robinson Air Crane Inc.; Robinson Air Crane Inc.; Rotorcraft Development Corporation; Rotorcraft Development Corporation; Rotorcraft Development Corporation; Rotorcraft Development Corporation; Rotorcraft Development Corporation; Rotorcraft Development Corporation; San Joaquin Helicopters; Southwest Florida Aviation International; Southwest Florida Aviation International; Tamarack Helicopters Inc.; Tamarack Helicopters Inc.; Tamarack Helicopters Inc.
Models
UH-1H, UH-1F, UH-1H, UH-1B, UH-1H, UH-1B, UH-1B, TH-1F, UH-1F, UH-1P, TH-1F, UH-1B, UH-1B, UH-1F, UH-1H, UH-1P, UH-1B, UH-1B, UH-1H, TH-1F, UH-1F, UH-1H
Type certificates
R00007DE, H11SW, H15NM, H5SO, R00005SE, H7SO, H3SO, R00008AT, R00008AT, R00008AT, H12NM, H13WE, H3NM, H12NM, H13WE, H12NM, H1RM, H6SO, H6SO, H7NE, H7NE, R00010SE
On this site
Northwest Rotorcraft Llc UH-1 6 registered
The FAA's record
On the FAA's site

What an approved modification is

A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.

Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 7, 2026.