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Pilot of a piper navajo, PA31, lost both aircraft communication radios when attempting to file an ADIZ flight plan with center resulting in using a handheld radio for relaying to center a crossing time. However, he mistakenly squawked 7700 instead of 7600 in an effort to indicate his emergency to ATC.
| Attributes | |
| ACN | 479950 |
| Time | |
| Date | 200007 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : fpr.airport |
| State Reference | FL |
| Altitude | msl single value : 2000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zma.artcc |
| Make Model Name | PA-31 Navajo Chieftan/Mojave/Navajo T1020 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Route In Use | enroute : direct |
| Flight Plan | DVR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zma.artcc |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | cruise : level |
| Flight Plan | DVR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : private pilot : multi engine pilot : commercial |
| Experience | flight time last 90 days : 20 flight time total : 2600 flight time type : 2300 |
| ASRS Report | 479950 |
| Person 2 | |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : radio com loss other flight crewa |
| Resolutory Action | other |
| Consequence | other |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Aircraft |
Narrative:
I could not file a DVFR flight plan because of loss of both radios. Before crossing ADIZ, I had another plane relay to ZMA my time to cross ADIZ. I used my handheld for this. I squawked 7700 instead of 7600 to let them know that there was an emergency and crossed the ADIZ. In retrospect, I think I should have gone to 7600.
Original NASA ASRS Text
Title: PLT OF A PIPER NAVAJO, PA31, LOST BOTH ACFT COM RADIOS WHEN ATTEMPTING TO FILE AN ADIZ FLT PLAN WITH CTR RESULTING IN USING A HANDHELD RADIO FOR RELAYING TO CTR A XING TIME. HOWEVER, HE MISTAKENLY SQUAWKED 7700 INSTEAD OF 7600 IN AN EFFORT TO INDICATE HIS EMER TO ATC.
Narrative: I COULD NOT FILE A DVFR FLT PLAN BECAUSE OF LOSS OF BOTH RADIOS. BEFORE XING ADIZ, I HAD ANOTHER PLANE RELAY TO ZMA MY TIME TO CROSS ADIZ. I USED MY HANDHELD FOR THIS. I SQUAWKED 7700 INSTEAD OF 7600 TO LET THEM KNOW THAT THERE WAS AN EMER AND CROSSED THE ADIZ. IN RETROSPECT, I THINK I SHOULD HAVE GONE TO 7600.
Data retrieved from NASA's ASRS site as of July 2007 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.