Non-WAAS GPS under IFR

When the aircraft uses a non-WAAS GPS (TSO-C129/C196), the following rules apply:

  1. Users of these GPS systems may file flight plans based on GPS-based IAP at either the destination or alternate airport but not at both.
  2. At the alternate, they may plan for the LNAV or circling MDAs, LNAV/VNAV if equipped with baro-VNAV or RNP 0.3 DA if specifically authorized.
  3. Always have an alternate means of navigation such as VOR.

References

[1] AIM 1-1-17 5(c)

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