FAA · Supplemental Type Certificate
STC SA00464SE
Installation of a II Morrow Apollo Model GX-55 TSO C129 Class A2 GPS for Supplemental IFR Enroute, Terminal, Remote/Oceanic or VFR navigation in accordance with the applicable data listed on the Master Drawing List, II Morrow P/N 560-1000-00, Revision -, and Airplane Flight Manual Supplement, P/N 560-1009-00, Revision -, or later FAA approved revisions.
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 (7)
- A31EU Partenavia Costruzioni Aeronauticas S.p.A. · P 68
- A31EU Partenavia Costruzioni Aeronauticas S.p.A. · P 68 Observer
- A31EU Partenavia Costruzioni Aeronauticas S.p.A. · P 68B
- A31EU Partenavia Costruzioni Aeronauticas S.p.A. · P 68C
- A31EU Partenavia Costruzioni Aeronauticas S.p.A. · P 68C-TC
- A31EU Partenavia Costruzioni Aeronauticas S.p.A. · P68 Observer 2
- A31EU Partenavia Costruzioni Aeronauticas S.p.A. · P68TC Observer
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗