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King air 200 pilot is advised by ATC to check altitude during descent to the first two stepdown fixes on the RNAV runway 18 at lit. At LNAV minimums the runway is sighted off to the left and a normal landing ensues. Post flight analysis reveals that the approach may not have been correctly activated and the display scale was too high to detect the error.
| Attributes | |
| ACN | 1131187 |
| Time | |
| Date | 201311 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | LIT.Airport |
| State Reference | AR |
| Environment | |
| Flight Conditions | Mixed |
| Aircraft 1 | |
| Make Model Name | Super King Air 200 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Final Approach |
| Route In Use | Vectors |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | FMS/FMC |
| Person 1 | |
| Function | Single Pilot Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 100 Flight Crew Total 5800 Flight Crew Type 750 |
| Events | |
| Anomaly | Deviation - Altitude Crossing Restriction Not Met Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types Inflight Event / Encounter CFTT / CFIT |
Narrative:
Was cleared for RNAV 18 approach at little rock. Crossed almow int at 2;700 feet. Descended to 1;900 for crossing at [ruzal]. Tower comes over with altitude alert check altitude. Needles were lined up. Then descended down to 1;040 to cross zedeb the step down fix. Prior to reaching they tell me; 'altitude alert. Check altitude.' then descended down to 820 and realize the runway is over to my 10:30 to 11 o'clock position. Needle was still lined up. It was then that I realized that something was wrong with the equipment. Kln 90. Landed safely after visually seeing the runway.
Original NASA ASRS Text
Title: King Air 200 pilot is advised by ATC to check altitude during descent to the first two stepdown fixes on the RNAV Runway 18 at LIT. At LNAV minimums the runway is sighted off to the left and a normal landing ensues. Post flight analysis reveals that the approach may not have been correctly activated and the display scale was too high to detect the error.
Narrative: Was cleared for RNAV 18 Approach at Little Rock. Crossed ALMOW INT at 2;700 feet. Descended to 1;900 for crossing at [RUZAL]. Tower comes over with altitude alert check altitude. Needles were lined up. Then descended down to 1;040 to cross ZEDEB the step down fix. Prior to reaching they tell me; 'Altitude alert. Check altitude.' Then descended down to 820 and realize the runway is over to my 10:30 to 11 o'clock position. Needle was still lined up. It was then that I realized that something was wrong with the equipment. KLN 90. Landed safely after visually seeing the runway.
Data retrieved from NASA's ASRS site as of July 2013 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.