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

ST04049NY

Installation of a Hoffman Engineering LLC LED Landing Light to replace the OEM Q4559 Series Incandescent Lamp, used as a Landing/Takeoff Light. Held by Hoffman Engineering LLC. Last revised September 16, 2019. System: electrical power.

What it applies to

Kind of product
Aircraft
Design holder
Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; Airbus SAS; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.; Yaborã Indústria Aeronáutica S.A.
Models
A318-111, A318-112, A318-121, A318-122, A319-111, A319-112, A319-113, A319-114, A319-115, A319-131, A319-132, A319-133, A320-111, A320-211, A320-212, A320-214, A320-231, A320-232, A320-233, A321-111, A321-112, A321-131, A321-211, A321-212, A321-213, A321-231, A321-232, A300 B2-1A, A300 B2-1C, A300 B2-203, A300 B2K-3C, A300 B4-103, A300 B4-203, A300 B4-2C, A300 B4-601, A300 B4-603, A300 B4-605R, A300 B4-620, A300 B4-622, A300 B4-622R, A300 C4-605R Variant F, A300 F4-605R, A300 F4-622R, A340-211, A340-212, A340-213, A340-311, A340-312, A340-313, A340-541, A340-642, A330-201, A330-202,...
Type certificates
A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A43NM, A43NM, A43NM, A43NM, A43NM, A43NM, A43NM, A43NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A46NM, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A1NM, A1NM, A1NM, A1NM, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A2NM, A2NM, A2NM, A2NM, T00001SE, T00001SE, T00001SE, T00001SE, T00001SE, A56NM, A56NM, A56NM, A56NM, A56NM, A56NM, A56NM, A57NM, A57NM, A57NM, A57NM, A57NM, A57NM, A57NM, T00011AT, T00011AT
On this site
Airbus A300 120 registered
Airbus A319 329 registered
Airbus A320 797 registered
Airbus A321 931 registered
Airbus A330 155 registered
Airbus A340 10 registered
Boeing 757 440 registered
Embraer EMB-135 ERJ 135 and Legacy 118 registered
Embraer ERJ 170 E170 and E175 760 registered
Embraer ERJ 190 E190 and E195 49 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 20, 2026.