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May 12th, 2005, 13:46
| #1 |
| Junior Member Join Date: Apr 2003
Posts: 213
|  Groundspeed Any other ways to determine groundspeed in flight other then the following: 1. GPS 2. Flight planing 3. E6B- knowing distance and time |
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May 12th, 2005, 14:51
| #2 |
| Junior Member Join Date: Jul 2003
Posts: 188
| Re: Groundspeed Hi Im not sure if you want to know other ways to measure distances to divide by the time it takes to fly and find GS,sometimes i use DME or the time to cross two VOR radials if I know the distance to the station [ one- in -sixty rule] Dont know if this helps  |
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May 12th, 2005, 15:11
| #3 |
| Senior Member  Join Date: Oct 2001 Location: Southeast US
Posts: 766
 | Re: Groundspeed 4. Ask ATC for a groundspeed check  |
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May 13th, 2005, 01:12
| #5 |
| Old Skool  Join Date: Apr 2002 Location: Denver, CO
Posts: 2,078
| Re: Groundspeed Most DME units have a groundspeed/time to station feature. It is only accurate if you are going directly to/from a VOR, but it is another way to determine groundspeed. |
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May 13th, 2005, 07:28
| #6 |
| Senior Member Join Date: Oct 2001 Location: Southeast US
Posts: 766
| Re: Groundspeed 6. Doppler nav |
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May 13th, 2005, 09:49
| #7 |
| Moderator  Join Date: May 2003 Location: GRR
Posts: 8,455
| Re: Groundspeed 7. Sextant and abacus. |
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May 13th, 2005, 23:26
| #8 |
| Old Skool  Join Date: Apr 2002 Location: Nomadic...World Wide Boobie Bungalow Bouncer
Posts: 3,170
| Re: Groundspeed PFM |
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May 14th, 2005, 00:03
| #9 |
| Moderator Join Date: May 2003 Location: GRR
Posts: 8,455
| Re: Groundspeed [ QUOTE ] PFM [/ QUOTE ] From acronyms.com: [ QUOTE ] Acronym Definition PFM Packet Forwarding Module PFM Parts Forecasting Model PFM Personal Finance Manager PFM Pink Floyd Meddle (Album) PFM Plan For Maintenance PFM Polyurethane Fiberglass Mat PFM Porcelain Fused to Metal PFM Port Filtering Mode PFM Pray for Me PFM Pre-Flight Message PFM Prefaulted Module PFM Premiata Forneria Marconi (band) PFM Printer Font Metrics PFM Prison Fellowship Ministries PFM Probabilistic Forecast Model PFM Process Facilities Modification PFM Process Flow Model PFM Produkte für Die Medizin AG (medical equipment producer, Cologne, Germany) PFM Professional Flight Management PFM Program Financial Management PFM Progressive Future Music (band) PFM Proto-Flight Model (NASA satellite model) PFM Pulse Frequency Modulation PFM Pulsed Force Mode PFM Pure Freaking Magic (polite form) [/ QUOTE ] I'm guessing the last one listed is the one you mean? [pretty sad that I had to Google to figure that one out  ] |
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May 14th, 2005, 01:54
| #10 |
| Old Skool  Join Date: May 2002 Location: Atlanta, GA
Posts: 3,248
  | Re: Groundspeed have a car drive directly underneath you and keep up. Then ask them how fast they were going. |
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May 14th, 2005, 22:33
| #11 |
| Old Skool Join Date: Apr 2002 Location: Denver, CO
Posts: 2,078
| Re: Groundspeed [ QUOTE ] have a car drive directly underneath you and keep up. Then ask them how fast they were going. [/ QUOTE ] Yup, that tecnique is recommended in the AIM and is what the DE is looking for when he asks you to calculate groundspeed.  |
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