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The GPC exam has 110 questions and runs 2 hours 30 minutes.
These 10 free GPC questions are organized by exam domain, so you can see how each part of the GEOINT Professional Certification Aeronautical (GPC) blueprint is tested. Reveal the answer and explanation under each question.
Runway 12 is 2,800 m long. Its landing threshold is displaced 300 m, but the aerodrome's published declared distances are TORA 2,800 m, TODA 3,100 m, ASDA 2,650 m, and LDA 2,300 m. A mission-planning worksheet uses 2,500 m as the landing distance available. What should the reviewer enter?
Correct answer: D - 2,300 m, based on the runway's published landing distance
A departure requires a minimum climb gradient of 360 ft/NM to 3,000 ft MSL. Planning data show 120 KIAS, 150 knots groundspeed, and 820 ft/min of available climb throughout that segment. Which entry correctly assesses the climb requirement?
Correct answer: C - 900 ft/min required; the planned climb falls short.
An aircraft's navigation assessment reports lateral total system error within 0.8 NM for 97% of flight time. Its documentation confirms RNAV 1 eligibility but does not establish onboard performance monitoring and alerting. The mission includes an RNP 1 departure. Which conclusion is warranted?
Correct answer: C - The accuracy result alone does not establish the required RNP 1 capability
The source desk has three authenticated records for an aerodrome control frequency: the current AIP lists 119.300 MHz; an advance AIRAC amendment changes it to 118.600 MHz in 14 days; and a NOTAM specifies 119.700 MHz from 0800 to 1800 UTC today. No other change applies. A briefing is being prepared for 1200 UTC today. Which frequency belongs in it?
Correct answer: A - 119.700 MHz, as specified by the applicable temporary notice
During procedure validation, the coded route starts a right turn before waypoint TAVRI, although the approved procedure requires crossing TAVRI before turning. TAVRI's coordinates, the inbound and outbound courses, and the turn direction match the source. Which coding attribute should be checked first?
Correct answer: B - The fly-by versus fly-over designation at TAVRI
Every runway-end point in an imported survey is displaced about 80 m east of independently verified WGS 84 control; relative distances within the survey remain consistent. The supplier's metadata identifies a local datum, while the import log records only an assignment of WGS 84 to the unchanged coordinates. Which change to the import workflow addresses the cause?
Correct answer: D - Restore the source datum, transform to WGS 84, and check the result against control
A surveyed tower is 52.0 m above the ground at its base. The ground's ellipsoidal height is 96.4 m, and the applicable geoid undulation is -27.6 m. The survey and geoid model use compatible reference systems. The obstruction record requires the tower-top orthometric elevation. What value belongs in that field?
Correct answer: D - 176.0 m
After several obstacle elevations were delivered in feet with unchanged numeric values from meter-based source fields, the team corrected every affected record and traced the error to an import mapping. The revised mapping now converts the units correctly. Which evidence would best support closing the corrective action?
Correct answer: B - The revised mapping passes independent tests, and follow-up checks find no recurrence in later deliveries
A navigation-data supplier holds an FAA Type 1 Data Letter of Acceptance. An avionics integrator proposes loading the supplier's database into a flight management system the supplier has not evaluated, without a compatibility assessment, because the file imports successfully. What does the Type 1 acceptance establish?
Correct answer: A - Acceptance of the supplier's data processes, not compatibility with that flight management system
Airfield operations confirms an unexpected closure of Runway 09/27, effective immediately, while inbound crews still see it as available in their current publications. No NOTAM has been issued. The aeronautical help desk has verified the report but is not authorized to originate the NOTAM. What should it do now?
Correct answer: C - Contact the authorized NOTAM originator promptly and alert affected customers to the closure
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