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Wednesday, November 3, 2010

Random Stuff

49C is back on the ramp.I flew up to Sherman (KSWI) to fill up the fuel tanks, which were very low since one was drained to fix a leaking drain point.  I pumped 45 gallons, which at $2/gallon less than at my home base in McKinney, saves enough that it is worth the 26nm each way trip.  I only get fuel from my home FBO if the level is too low to get there safely (and I define that as under 15 gallons on take off, or 90 minutes flying time), or if I don't have time to make the side trip.

On the way back, I flipped on the NAV instruments to see if they were all working - I could receive the McKinney NDB/LOC on the ground in Sherman, and both VOR/ILS receivers grabbed the localizer signal at over 20 miles.  But the DME came on for about 15 seconds, then went blank.  I pulled the circuit breaker and reset it, but nothing.  I suspect the power connection is loose.

I'd like to fly today, but we are having an untypical Texas fall day, 55 degrees and non-stop drizzly rain.  The last time this happened, I took up 49C for some IFR practice, flying to Mesquite (KHQZ) for fuel, then several approaches at KTKI.  I experienced my one and only real world missed approach - on the GPS/WAAS approach to runway 35, I flew through a solid column of rain and at the DH at 300' AGL, could not see the runway.  Of course the moment I added power and started to climb, I flew out of the rain and saw the field underneath.  It was too late, and besides, I wanted to finish with the ILS 17 approach, which I did after receiving vectors from approach.  That was when I discovered the weak ILS receivers, now fixed.

Should I get the DME fixed now?  Really with GPS onboard it's not essential, as long as I keep my GPS NAV database current, which I do.  Any waypoint that can be identified with a VOR and DME can be identified more easily with GPS, as long as I have solid RAIM signal lock.


mmmmmmm............

2 comments:

== T.J.== said...

Woohoo! back on the ramp!! (Hope the maintenance didn't uncover too many surprises)

Gary said...

I pulled the dead DME equipment out of the tail when I pulled the loran M1 out this past fall. Put the 496 in the panel for traffic and wx. I keep the 530 up to date and that pretty much covers everything.

Gained some useful load
Collins IND 450 Indicator .8
Collins TCE 451 Receiver 5.8
DME Ant.& cable .5