| Aircraft | Origin | Type | Versions | In service | Notes |
|---|---|---|---|---|---|
| Grumman S-2 Tracker | United States | Maritime patrol aircraft | S-2T Turbo Tracker | 26, half operational | Originally 32 were upgraded to T version, but only 27 were converted |
| Lockheed P-3C Orion | United States | Maritime patrol aircraft | P-3C Orion | 12 | Ordered, plus 3 spare airframes |
| Sikorsky S-70 Seahawk | United States | Naval utility/ASW helicopter | S-70C(M)-1/2 Thunderhawk | 19 | Out of 10+11 ordered |
| Hughes 500MD/ASW Defender | United States | ASW helicopter | Hughes 500MD/ASW Defender | 9 | Out of original 13 ordered |
Read more about this topic: Republic Of China Navy