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A boeing 737 captain reported that a published RNAV approach to mggt airport resulted in a glideslope indication that appeared to be lower than normal. The crew transitioned to a visual glideslope reference and landed uneventfully.
| Attributes | |
| ACN | 1362323 |
| Time | |
| Date | 201606 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | MGGT.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Check Pilot |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy |
Narrative:
On final approach into mggt flying the RNAV (rnp) Z runway 20 flight crew noticed that the glide path (gp) indications brought the aircraft well below the PAPI (4 reds) and well below a comfortable; normal gp. Crew abandoned gp; disregarded flight director pitch bar and returned to an appropriate gp angle for a normal landing. This approach needs to be flight tested in the 737 to confirm it safety parameters.
Original NASA ASRS Text
Title: A Boeing 737 Captain reported that a published RNAV approach to MGGT airport resulted in a glideslope indication that appeared to be lower than normal. The crew transitioned to a visual glideslope reference and landed uneventfully.
Narrative: On final approach into MGGT flying the RNAV (RNP) Z Runway 20 flight crew noticed that the Glide Path (GP) indications brought the aircraft well below the PAPI (4 reds) and well below a comfortable; normal GP. Crew abandoned GP; disregarded flight director pitch bar and returned to an appropriate GP angle for a normal landing. This approach needs to be flight tested in the 737 to confirm it safety parameters.
Data retrieved from NASA's ASRS site 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.