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Other aircraft modifications

STC SA4624SW

FAA DRS lists SA4624SW as Current · Amended, held by Howell Instruments Inc, for Raytheon Aircraft BH.125 Series 400A, Raytheon Aircraft DH.125 Series 1A/S-522, and Raytheon Aircraft DH.125 Series 3A, and 3 more aircraft configurations. Recorded change: Replace existing N1, N2 and ITT indicators with Howell autotak and autotemp indicators. Snapshot dated June 30, 2026.

FAA-listed holder
Howell Instruments Inc
Aircraft configurations
6
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

SA4624SW identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Raytheon Aircraft BH.125 Series 400A, Raytheon Aircraft DH.125 Series 1A/S-522, and Raytheon Aircraft DH.125 Series 3A, and 3 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Raytheon Aircraft BH.125 Series 400AA3EURaytheon Aircraft DH.125 Series 1A/S-522A3EURaytheon Aircraft DH.125 Series 3AA3EURaytheon Aircraft DH.125 Series 3A/RAA3EURaytheon Aircraft DH.125 Series 400AA3EURaytheon Aircraft HS.125 Series 700AA3EU

Buyer checks

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