Interesting to see SFO and other west coast flying on ATL 88 for April.
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FWIW, I heard the other day that a 73NG breaks even after about 25 days of use per month. 88's B/E is 5 days.
Heard it second hand so it might not be true but it came from a presenter at the LCA meeting so it'd be interesting. Maybe even with high oil the not as efficient 88 can hang ar.... mentioned oil. Sorry.