It's just not safe and I defy any of you "pro extensions" folks to prove how it is adding or at the very least maintaining the status quo.
Lets face it. For someone to do a normal day light round trip to the coast the flight would have to depart at the earliest 7am. That's a 6am show or 5:30 in the crew parking lot. For many in the tri state area that is a minimum 4:30 wake up. Which if you are a west coast comuter is 0130 on your body clock.
Now the hypothetical flight Departs at 7am (assuming no mech, de-icing yada yada delays, I know, never happens) and takes 6 hours. It lands in LGB at 1300 est and takes 1 hour to turn. Now it departs LGB at 1400 est and takes 5:30. It now would arrive at 1930 est The crew's day ends at 2000 est. In the crew parking lot at 2030 home by 2130.
What typically is going on at JFK at 1930 lcl. Only the peak of the Europe push, never any delays? No need to be in peak condition for shooting an approach to mins during the busiest time of the day after flying 11:30 hours.
Now add in the fact that this is only day one. Let's remember that we are still allowed to do a 30 in 7.
So day 2 of your week consists of a JFK-FLL-JFK turn. Since you blocked in at 2000 est the night prior. You wind up on the 0900 est flight to FLL. What time do you need to get up to wind up at JFK for a 9am flt? 8 am show. 730 in the crew parking lot. Peak rush hour traffic allow 1 hr minimum. This all equates to a 6 am get up after you were lucky to get in bed by 2200 the night prior.
Now back to our 9am departure to FLL. 2.5 hours down, an hour turn and 2.5 back. You are back into JFK at 1500 est. Block out at 1530 in the crew parking lot at 1600, just in time to sit in peak NYC rush hour traffic, again.
Your 2 day flight total is now 11.5+5= 16.5
Now onto Day 3, crew scheduling just called guess what your the lucky reservist, Another JfK-LGB-JFK turn. All legal, because 16.5+11.5=28 hours in 3 days.
What if mgt throws in a 5 hour sit in FLL or their is a 5 hour traffic wx delay the day before your second round trip to the west coast? You could theoreticly depart for your day 2 JFK -FLL flight at 9 am get to FLL at 1130 and then sit for 5 hours depart at 1630 arrive JFK at 1900 lcl and still get called back for your day 3 turn JFK-LGB-JFK. Who protect the crew from this?
Who is going to stop a commuter from bidding this 3 day sequence to maximixe their time (28 +hrs in 3 days)? Who is going to stop that very same comuter who lives on the west coast from commuting on the red eye the night prior, starting this 3 day sequence from he// with minimum rest? Week after week.
Who is going to stop crew scheduling from jamming this down the throats of every bottom feeder reservist, month after month, week after week?
Who here is willing to put their family on the B6 aircraft of the crew that just did it's second west coast turn in 3 days (maybe the 3rd time they have done that same 3 day sequence that month). Arriving into JFK at peak rush hour, shooting an approach to mins and then hearing tower say, "Turkish 123 I said hold short"
Now back to the safety issue. Is anyone her actually going to tell me that some how this improves safety?