# Accident 20000507008089A: Beech F35, Jackson, MS, May 7, 2000

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 7, 2000, 17:00 local time
- Place: Jackson, MS
- Damage: Substantial damage
- Phase of flight: Descent
- Operating rules: General operating rules (Part 91)
- Location: 32.2598° N, 90.0902° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=32.2598&lon=-90.0902&mi=10
- Aircraft: N35WK, registered now (https://openairdocs.org/aircraft/N35WK) (OpenAirDocs)
- Registry model: Beech F35 (registry code 1151514, https://openairdocs.org/model/beech-f35) (OpenAirDocs)
- Registry engine: Continental E225 series (registry code 17015, https://openairdocs.org/engine/continental-e225-series) (OpenAirDocs)
- Reported make and model: BEECH F35
- Reported engine: CONT E2258
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 444 total, 88 in this make and model, 37 in the last 90 days
- NTSB investigation: [NTSB MIA00FA146](https://openairdocs.org/ntsb/MIA00FA146) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20000507008089A

## Narrative

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

(-23) DURING DECENT FROM 8000 TO 4000 FEET THE AIRCRAFT EXPERIENCED A SEVER BUFFETING AND A LOUD WOOFING NOISE IN THE TAIL SECTION OF THE AIRCRAFT. HE LANDED THE AIRCRAFT UNEVENTFUL.  AFTER AN INSPECTION OF THE AIRCRAFT THE FUSELAGE SECTION OF THE AIRCRAFT WAS FOUND TO BE DAMAGED SEVERELY JUST FORWARD OF THE STABILIZERS.                                                    (.4) THE PILOT STATED THAT HE REDUCED THE MANIFOLD PRESSURE TO 16 INCHES, AND TRIMMED THE AIRPLANE FOR A 650 FEET PER MINUTE RATE OF DESCENT, WHICH INCREASED THE AIRSPEED TO ABOUT 155-160 MPH INDICATED AIRSPEED. HE SAID THE AIRCRAFT WAS STABILIZED AT THAT SPEED, AND HE NEVER EXCEEDED THAT AIRSPEED AT ANYTIME. HE SAID THE FLIGHT WAS IN SMOOTH AIR ALSO, AND ALL OF A SUDDEN, THE RUDDERVATORS AND WHOLE TAIL STARTED TO "FLUTTER" WITHOUT ANY ADVANCE WARNING. HE SAID HE HEARD A "WOOFING" NOISE AT PERHAPS A 1.5 TO 2.0 HERTZ FREQUENCY, BUT FURTHER STATED THAT NOT MUCH SHAKING COULD BE FELT. HE SAID HE THEN REDUCED MANIFOLD PRESSURE TO IDLE, LOWERED THE GEAR, TRYING TO MINIMIZE CONTROL MOVEMENTS ON THE TAIL. AFTER THE SPEED WAS REDUCED, THE PILOT SAID THAT THE "FLUTTER" STOPPED. HE SAID THE TOTAL TIME THE "FLUTTER" OCCURRED WAS ABOUT 5 SECONDS. HE SAID AT THAT TIME, HE HAD NEARLY LEVELED THE AIRCRAFT, AND THE SPEED HAD STABILIZED AT 120 MPH. ACCORDING TO THE PILOT, AFTER AN OTHERWISE UNEVENTFUL LANDING, HE PARKED THE AIRCRAFT AND CONDUCTED A WALK-AROUND INSPECTION, NOTING THAT THERE WAS EXTENSIVE DAMAGE IN THE AREA OF THE AFT EMPENNAGE. THE AIRCRAFT WAS EXAMINED AND REPAIRED BY TRIM-AIRE INC., MEXIA, TEXAS, AND THE TECHNICIAN AT TRIM-AIRE FOUND THAT THE EMPENNAGE FLIGHT CONTROLS WERE OUT OF RIGGING LIMITS.

## 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 MIA00FA146](https://openairdocs.org/ntsb/MIA00FA146), May 7, 2000: Beech F35 (N35WK), Jackson, MS, substantial damage. Probable cause: improper rigging of the rudder/elevators and differential mechanism assembly by unknown person(s), which resulting in what the pilot describes as inflight flutter of the tail section, which resulted…

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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