# Accident 20030720036789A: Enstrm F28C, Waverly, IA, July 20, 2003

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 20, 2003, 08:17 local time
- Place: Waverly, IA
- Airport: Waverly Municipal Airport
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 42.7419° N, 92.5081° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.7419&lon=-92.5081&mi=10
- Aircraft: N51699, registered now (https://openairdocs.org/aircraft/N51699) (OpenAirDocs)
- Registry model: Enstrom F-28C (registry code 3300407, https://openairdocs.org/model/enstrom-f-28c) (OpenAirDocs)
- Registry engine: Lycoming HIO-360 series (registry code 41524, https://openairdocs.org/engine/lycoming-hio-360-series) (OpenAirDocs)
- Reported make and model: ENSTRM F28C
- Reported engine: LYC HIO360*
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 3,000 total
- NTSB investigation: [NTSB CHI03LA217](https://openairdocs.org/ntsb/CHI03LA217) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20030720036789A

## Narrative

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

(-23) AS REPORTED BY THE PILOT, SHORTLY AFTER THE ACCIDENT. THE HELICOPTER TOOK OFF FROM A WAVERLY PARKING LOT, GIVING LOCAL AREA RIDES. AT APPROX. 200' TO 300' AGL, PILOT NOTICED A SEVERE VIBRATION. PILOT MADE EMERGENCY LANDING. THE MAIN ROTOR BLADES HIT THE TAIL AND THE TAIL WAS CUT OFF.

## 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 CHI03LA217](https://openairdocs.org/ntsb/CHI03LA217), Jul 20, 2003: Enstrom F-28C (N51699), Waverly, IA, substantial damage. Probable cause: The main rotor blade push-pull rods being corroded, sustaining fatigue, and separating in cruise and the main rotor blade contacting the tail boom during the emergency landing. Factors were the…

## Other reports on N51699 (2)

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

- [Accident 19871025060549A](https://openairdocs.org/incident/19871025060549A), Oct 25, 1987: Enstrm F28C (N51699), Laconia, NH, Substantial damage. On a full touchdown autorotation, lowered collective and rotor speed. Allowed blade to flex and severed tailboom.
- [Incident 19830426023859I](https://openairdocs.org/incident/19830426023859I), Apr 26, 1983: Enstrm F28C (N51699), Boston, MA. Saw smoke coming from instrument console. Shut off electrical power. Found a nose landing light wire shorted.

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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