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Piper J3 pilot flies through forest fire tfr at 1000 feet AGL after misplotting its location on his sectional.
| Attributes | |
| ACN | 748013 |
| Time | |
| Date | 200707 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : mso.vortac |
| State Reference | MT |
| Altitude | agl bound lower : 800 agl bound upper : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Weather Elements | other |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : personal |
| Make Model Name | J3 Cub |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial |
| Experience | flight time last 90 days : 80 flight time total : 4000 flight time type : 3980 |
| ASRS Report | 748013 |
| Events | |
| Anomaly | airspace violation : entry inflight encounter other non adherence : far non adherence other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
I called AFSS from laurel; mt; asking for tfr's between billings; mt; and spokane; wa. I was given 2. 1 at helena; mt; and 1 at missoula; mt; on the 107 degree radial at 19.3 NM. I checked the helena tfr and determined that we were clear. I put the plotter on the missoula VOR rose at 07 and ran out 19.3 NM and determined that we were clear. Our route was in visual contact with interstate wbound. We entered smoke that we thought was residual from the fires on our eastbound trip. We spotted a camp set-up area and assumed it must be a new fire in the area. Hopefully; there wasn't a new tfr since we left early in the morning. Then I spotted a light twin looking us over from above the canyon. It had no fire markings but was probably a spotter aircraft. After we landed; we went over my chart more carefully and discovered my 07/107 degree error. The name on the tfr was 20 mi east of missoula. The 07 degree did in fact agree with it being east of missoula. At the time it looked like a good confirmation of my plot.
Original NASA ASRS Text
Title: PIPER J3 PILOT FLIES THROUGH FOREST FIRE TFR AT 1000 FEET AGL AFTER MISPLOTTING ITS LOCATION ON HIS SECTIONAL.
Narrative: I CALLED AFSS FROM LAUREL; MT; ASKING FOR TFR'S BTWN BILLINGS; MT; AND SPOKANE; WA. I WAS GIVEN 2. 1 AT HELENA; MT; AND 1 AT MISSOULA; MT; ON THE 107 DEG RADIAL AT 19.3 NM. I CHKED THE HELENA TFR AND DETERMINED THAT WE WERE CLR. I PUT THE PLOTTER ON THE MISSOULA VOR ROSE AT 07 AND RAN OUT 19.3 NM AND DETERMINED THAT WE WERE CLR. OUR RTE WAS IN VISUAL CONTACT WITH INTERSTATE WBOUND. WE ENTERED SMOKE THAT WE THOUGHT WAS RESIDUAL FROM THE FIRES ON OUR EBOUND TRIP. WE SPOTTED A CAMP SET-UP AREA AND ASSUMED IT MUST BE A NEW FIRE IN THE AREA. HOPEFULLY; THERE WASN'T A NEW TFR SINCE WE LEFT EARLY IN THE MORNING. THEN I SPOTTED A LIGHT TWIN LOOKING US OVER FROM ABOVE THE CANYON. IT HAD NO FIRE MARKINGS BUT WAS PROBABLY A SPOTTER ACFT. AFTER WE LANDED; WE WENT OVER MY CHART MORE CAREFULLY AND DISCOVERED MY 07/107 DEG ERROR. THE NAME ON THE TFR WAS 20 MI E OF MISSOULA. THE 07 DEG DID IN FACT AGREE WITH IT BEING E OF MISSOULA. AT THE TIME IT LOOKED LIKE A GOOD CONFIRMATION OF MY PLOT.
Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.