Originally Posted by
Skyjob
Problem is in many modern outfits a single ADF is available, making these approaches impossible to fly raw data, unless approval is gained to mitigate against the lack of a second ADF.
In years gone by, we were allowed to operate dual FMC aircraft only to fly a dual NDB approach using a single ADF installation. (Approval was gained for this prior to operating)
Yep, same in our Ex-Fleet (A300/310).