ST00232NY-D
Installation of Dual Collins Radio RTU-870A Radio Tuning Units, COM/NAV/DME/ATC/ADF radio systems. Held by Delta Engineering, which holds 199 approved modifications in all. Last revised January 6, 2003. System: instruments and avionics.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Raytheon Aircraft Company
- Models
- BAe.125 Series 800A (C-29A; U-125)
- Type certificate
- A3EU
- 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.