# Accident 19900420010469A: Beech F33A, Milwaukee, WI, April 20, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 20, 1990, 16:00 local time
- Place: Milwaukee, WI
- Airport: General Mitchell Field
- Damage: Substantial damage
- Phase of flight: Final Approach-IFR
- Operating rules: General operating rules (Part 91)
- Location: 42.9804° N, 87.8993° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.9804&lon=-87.8993&mi=10
- Aircraft: N179DD, a cancelled registration (https://openairdocs.org/deregistered/N179DD-2013-08-05) (OpenAirDocs)
- Registry model: Beech F33A (registry code 1151425, https://openairdocs.org/model/beech-f33a) (OpenAirDocs)
- Registry engine: Continental IO-520 series (registry code 17032, https://openairdocs.org/engine/continental-io-520-series) (OpenAirDocs)
- Reported make and model: BEECH F33A
- Reported engine: CONT IO520BA
- Fatal injuries: 0
- Pilot flight hours: 2,003 total, 888 in this make and model, 52 in the last 90 days
- NTSB investigation: [NTSB CHI90LA115](https://openairdocs.org/ntsb/CHI90LA115) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900420010469A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

HIGH ON COUPLED APPROACH. LETDOWN AT 2000 FPM. AUTO PILOT OVERCONTROLLED INTERCEPTING GLIDE PATH. AIRFRAME DAMAGED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CHI90LA115](https://openairdocs.org/ntsb/CHI90LA115), Apr 20, 1990: Beech F33A (N179DD), Milwaukee, WI, substantial damage. Probable cause: THE UTILIZATION OF IMPROPER PROCEDURES ON THE PART OF THE PILOT IN COMMAND BY ATTEMPTING TO EXECUTE A COUPLED APPROACH OUTSIDE THE PARAMETERS OF THE AUTOPILOT.

## Other reports on N179DD (1)

Matched to the same aircraft by N-number and date.

- [Accident 19970803048139A](https://openairdocs.org/incident/19970803048139A), Aug 3, 1997: Beech F33A (N179DD), Creede, CO, Substantial damage. (-16) Airman competency: pilot was navigating under VFR conditions using a wac chart, not a sectional chart. Wac charts do not have contour lines. He thought…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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