Sunday, May 25, 2008

Wind Stream, Part 1

Position: Abeam YZP (Sandspit)
Destination: Anchorage
Groundspeed: 362 mph (314 kts)
Winds aloft: on the nose at 155 mph (135 kts)


The old quip about the best laid plans of mice and men is appropriate today. My dispatcher had us flight planned to Anchorage flying eastbound out of Lost Wages (with the wind), then turning with the wind around the low pressure center onto a northwest track into an area of light winds aloft over British Columbia, and then drifting to the west as the winds aloft turned away from the nose. It was a darn good flight plan. We pushed back with a 92% fuel load. Last year, I would have topped the tanks just because, but Mother is real nervous about carrying extra fuel these days.

I would regret that decision down the airway.

The northerly surface winds were gusting to 43 mph when we began our taxi. A 737-800 in front of us ingested part of a wind blown newspaper into number one; it was flicked out the back of the engine as confetti. The co-pilot and I said at the same time, "Did you see that?"Lost Wages ground control had airliners on every taxiway trying to get to the north-south runways. It looked like we were about number 40 - 50 for departure when we began our single engine taxi. This was the second leg of our day and we were 45 minutes behind schedule because of a mistake aircraft routing made on the first aircraft assignment for Anchorage; they gave us an aircraft without an ADF receiver which is required for Alaskan flights. I caught the error immediately, because I fly there almost weekly and am intimately familiar with the equipment requirements. Another crew less familiar may not have and would have been busted for sure.

The insidious part: the maintenance paper trail on the aircraft showed the No.1 ADF receiver inop. As my British friend, Trevor, always says, "Hang about." There must be a #2 somewhere in this flightdeck, but I can't find the circuit breaker for the No. 2 ADF receiver. It has to be hiding from me. I called maintenance control, a branch of Mother, and asked, "Where is the circuit breaker located for #2 ADF receiver?"

They put me on hold...

Maintenance control handed me off to aircraft routing... "Uh, we're going to give you another aircraft."

"Does that mean they can't find the circuit breaker either?"

As I suspected, the aircraft only had one ADF receiver, period. Oops! Aircraft routing assumed that there was a second receiver because of the verbiage of the original write-up. This is an example of being led down the garden path, and then finding out too late (at 36,000 feet) that remedial training is in your near future, along with the pleasure of exchanging letters with the FAA for a few months.

Dispatch had given us 23 minutes of two engine burn taxi fuel, which I stretched out to 40 minutes by taxiing on one engine (burns about 60% of the two engine amount). Before we started burning into the flight fuel and forced to return to the gate for more, I emailed my dispatcher and suggested we rework the fuel figures by getting rid of the landing alternate (it was only an uh-oh alternate; the weather forecast did not require it) and moving half of the unknown contingency fuel (1,000 lbs.) to the taxi burn. He agreed and so we completed the paper trail, via the magic of email, leading to the potentially guilty party... That would be me.

Finally, 54 minutes after push, we moved onto the runway for take-off. The windsock was standing straight out and angling thirty degrees across the runway. Loose trash was being blown across our path by the dusty wind gusts... A pleasant day in Lost Wages. About 20 seconds after the engines spooled up to full thrust, we were approaching lift-off speed because of the head winds. In four minutes, we were above the airborne dirt and into the cold blue heading east, and eventually to Anchorage.

to be continued...

11 comments:

Anonymous said...

Dave, I've been reading all your past entries for the past week, this blog has stolen my attention, and I'm finally caught up to speed. Just wanted to say thanks for being a loyal blogger for these years, I look forward to seeing more. As a fellow Phoenician and a pilot in training, it makes it even more close to home. Thanks again.

Timmy said...

Hi Dave, 2 questions:

1) Did you do any reporting to the 738 when they got junk in the engine ?

2) " would have been busted for sure. " - in what way would they be busted ? e.g not able to land at destination airport and divert to a non adf required airport or what ?

Noella said...

Can hardly wait to read the next instalment, Dave! You are a gripping story teller and I feel I'm right there on board. Nice photo too!

Aviatrix said...

To be continued?! I can't remember you giving us a cliffhanger before. Now I know how my readers feel. (I'm evil and do it all the time).

dave said...

timmy- negative on the report. The sports section will not hurt a CFM.

"Would have been busted for sure" means that the FAA would have caught the crew in an illegal aircraft and would have taken legal action against the crew. It's a new world order of airline flying. The number one priority has become cya. Sad state of affairs...

chris said...

I had no idea that airliners chose routes based upon prevailing winds. Very interesting.

Anonymous said...

How exactly would the FAA catch them? Looking at the journey log later on?

yyz-ramp-rat said...

I believe the old adage about fuel comes into play here..

'The only time you can have too much fuel on board an aircraft is when you are on fire.'

Waiting patiently on part 2.. hope everything turned out ok...

Anonymous said...

How exactly would the FAA catch them? Looking at the journey log later on?
# posted by Anonymous Anonymous : 9:54 PM, May 29, 2008


By reading this blog ;D

Noella said...

Dave - it took me a couple of days, but I've finally got it!

I've been looking up aviation terms to find what cya means, as in your comment: "The number one priority has become cya."

Well, I didn't find the meaning under aviation - but I did finally get it - and I haven't stopped laughing since!!

dave said...

anonymous 225- if only it was that easy. No, the FAA crosschecks every flight, or attempts to, against maintenance paper trails, i.e., if an aircraft has a broken piece of equipment that prevents it from flying to, say, Anchorage, they will look at every flight that aircraft makes to see if there are any Anchorage flights in there. If there are, you had better not be on the crew list of that aircraft on that day.

Noella- roger the cya...