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

SE748EA

Installation of GLA ignition exciter. Held by General Laboratory Association INC.. Last revised January 1, 1960. System: engine.

What it applies to

Kind of product
Engine
Design holder
Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation; Rolls-Royce Corporation
Models
Dart 514-7, Dart 514, Dart 511, Dart 510, Dart 506, Dart 511-7E, Dart 525F, Dart 528-7E, Dart 526, Dart 532-7, Dart 529-8X, Dart 525, Dart 527, Dart 531, Dart 529-8E, Dart 529-8H, Dart 529D-8H, Dart 532-7L, Dart 528D-7E, Dart 529-7E, Dart 529-7H, Avon 533R-11A, Avon 533R, Avon 525B, Avon 531, Avon 527, Avon 526, Avon 524B, Avon 522, Avon 532R-B, Conway 509A, Conway 509, Conway 508, Conway 505, Conway 508A, Tyne 506, Tyne 515, Tyne 512, Spey 511-8, Spey 555-15, Spey 506-14, Spey 511-14, Dart 542-10K, Dart 542-10, Dart 542-4, Dart 542-10J
Type certificates
E-283, E-283, E-283, E-283, E-283, E-283, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-297, E-307, E-307, E-307, E-307, E-307, E-307, E-307, E-307, E-307, E-308, E-308, E-308, E-308, E-308, E-311, E-311, E-311, E2EU, E2EU, E2EU, E2EU, E5EU, E5EU, E5EU, E5EU
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.