Is a transponder of any value if it isn’t linked to an encoding altimeter?
We were/are considering buying installing a mode-C transponder on our little ELSA. For three reasons: We might want to fly into some class-C airspace, we might want to use flight following, and...
View ArticleAirport within Mode C veil, yet nobody has transponders.
In Colorado we have KBDU airport (Boulder, CO) which is a small airport with class G to 1200ft AGL that has alot of airplanes flying around with no electrical systems and hence no transpoders (I was...
View ArticleTransponder requirements 91.215
Would some settle this debate. Is an Operable transponder with mode C required below a Class C shelf. We all agree it’s required within and above Class C, but what about class E or G airspace below...
View ArticleWhat does the controller see on the radarscope when we squawk 1200?
What does the controller see on the radarscope when we squawk 1200?
View Article91.215 2)a)
Mode C is required at and above 10,000 feet MSL over the 48 contiguous states or the District of Columbia, excluding that airspace below 2,500 feet AGL . So here’s my dilemma- I don’t understand the...
View ArticleTransponder
Good Morning; I am not able to find information about the FAA now requiring the Transponder set to Alt + Sqwk Code even when on the ground. Historically, it has been set to Standby when on the ground....
View ArticleIf a transponder has a blind altitude encoder how does ATC or flight...
It`s my understanding that many GA aircraft`s transponders have blind altitude encoders (set to a barometer of 29.92) so they can of course be way off (not uncommon to be as much as 500 feet off). That...
View ArticleTransponder 91.215
Is a transponder required in class E, D or G airspace? The regulation isn’t clear to me. To me it lacks saying that it is required in class D, E, G. Therefore it is not required. Can any point out...
View ArticleTransponders for flight safety?
Are Mode C transponders needed to ensure flight safety? If Mode C transponder operation was required for all aircraft in flight, would there be any increase in overall flight safety? I’m curious what...
View ArticleTransponder Altitude Hold Mode
What is the purpose of a Transponder Altitude Hold Mode? Thanks
View ArticleIFR Readback
I’m a big fan of aviation videos on youtube. One thing has caught my attention recently which I believe is not standard phraseology. When this certain fellow reads back his squawk code he refers to the...
View ArticleWhere are all the squawk codes?
Someone must have asked this by now, but I havent been able to to find the answer on the internet or from any other flight instructor. There are obviously many more aircraft under ATC control at any...
View ArticleMode C vs. Mode S
Two questions: My understanding is that mode C transponders only transmit squawk, altitude, and position. So ATC has to assign a discrete code in order to attach a call sign, type, and flight plan to...
View ArticleTRAFFIC COLLISION AVOIDANCE SYSTEM
What will the aircraft transponder reply when receive “Mode S all-call” ? Airborne aircraft “ A “ is the transmitting aircraft (ALL-CALL) Aircraft “C” is also an “S” transponder Aircraft “C” receives...
View ArticleExpired transponder check, VFR flight; combined transponder and ADS-B unit
Greetings… An aircraft that I rent often had its transponder and pitot-static checks expire as of 12/1; I was planning to fly the aircraft to work on some VFR maneuvers (I’m chipping away at a...
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