# SDR CA980504015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Dhav DHC8311
- System (JASC): [3414 · Airspeed/Mach Indicator](https://openairdocs.org/jasc/3414)
- Part: Indicator
- Part number: 211401150
- Condition: Failed
- Location: Air Speed
- Stage of operation: CR
- Nature of condition: G
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA980504015

## Discrepancy

(CAN) BOTH AIRSPEED INDICATORS FAILED, NEEDLE AND DRUM INDICATIONS VARIED FROM 0-210 KNOTS IN TURBULENT CONDITIONS, WITH LIGHT ICING.  SYSTEM RETURNED TO NOMRAL IN CLEAR AIR.  SIMILAR CONDITIONS ON ANOTHER AIRCRAFT IN SAME AREA.

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