Acquiring location via GPS does not require transmitting over the radio, so that alone may well not be affected by airplane mode. However, most map apps downlo

Acquiring location via GPS does not require transmitting over the radio, so that alone may well not be affected by airplane mode. However, most map apps download street map info through the network and cache it for unspecified amounts of time, so unless you use OsmAnd or something, you may lose map data and turn-by-turn navigation.