# Accident 19790504015089A: Cessna 421, Sevierville, TN, May 4, 1979

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 4, 1979, 11:30 local time
- Place: Sevierville, TN
- Airport: Sevierville-Gatli
- Damage: Substantial damage
- Phase of flight: Level Off Touchdown
- Operating rules: Air taxi and commuter (Part 135)
- Location: 35.8897° N, 83.5799° W: Placed by OpenAirDocs: center of Sevierville, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.8897&lon=-83.5799&mi=10
- Aircraft: N123SM, a cancelled registration (https://openairdocs.org/deregistered/N123SM-2026-04-29) (OpenAirDocs)
- Registry model: Cessna 421 (registry code 2076010, https://openairdocs.org/model/cessna-421) (OpenAirDocs)
- Registry engine: Continental GTSIO-520-C (registry code 17035, https://openairdocs.org/engine/continental-gtsio-520-c) (OpenAirDocs)
- Reported make and model: CESSNA 421
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 1,995 total, 420 in this make and model, 99 in the last 90 days
- NTSB investigation: [NTSB IAD79FA046](https://openairdocs.org/ntsb/IAD79FA046) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19790504015089A

## Narrative

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

PILOT UNDERSHOT RUNWAY. WHEN LANDING GEAR HIT EDGE OF RUNWAY, THE RIGHT MAIN GEAR COLLAPSED.

## 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 IAD79FA046](https://openairdocs.org/ntsb/IAD79FA046), May 4, 1979: Cessna 421 (N123SM), Sevierville, TN, substantial damage

## Other reports on N123SM (2)

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

- [Accident 20230624010359A](https://openairdocs.org/incident/20230624010359A), Jun 24, 2023: Cessna 421 (N123SM), Rockport, TX, Substantial damage. [privacy data omitted] Serial number 421-0193 a Cessna 421 departed corpus christi (kcrp) with a destination to houston (k''') on a part 91 [privacy data…
- [Accident 19830224005789A](https://openairdocs.org/incident/19830224005789A), Feb 24, 1983: Cessna 421 (N123SM), Dayton, TN, Substantial damage. Misdialed RNAV approach. Struck trees on final approach segment still in clouds. Remained airborne. Landed safe.

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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