# Accident 19870808043189A: Cessna 170A, San Marcos, TX, August 8, 1987

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 8, 1987, 16:15 local time
- Place: San Marcos, TX
- Airport: San Marcos Municipal
- Damage: Substantial damage
- Phase of flight: Takeoff Ground Roll
- Operating rules: General operating rules (Part 91)
- Location: 29.8927° N, 97.8630° W: Placed by OpenAirDocs at SAN MARCOS RGNL (HYI), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.8927&lon=-97.8630&mi=10
- Aircraft: N401P, a cancelled registration (https://openairdocs.org/deregistered/N401P-2018-06-26) (OpenAirDocs)
- Registry model: Cessna 170A (registry code 2072304, https://openairdocs.org/model/cessna-170a) (OpenAirDocs)
- Registry engine: Continental C145 series (registry code 17012, https://openairdocs.org/engine/continental-c145-series) (OpenAirDocs)
- Reported make and model: CESSNA 170A
- Reported engine: CONT C1452
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 842 total, 10 in this make and model, 102 in the last 90 days
- NTSB investigation: [NTSB FTW87LA192](https://openairdocs.org/ntsb/FTW87LA192) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19870808043189A

## Narrative

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

LOST DIRECTIONAL CONTROL ON TAKEOFF ROLL AND GROUND LOOPED. CFI WAS LATE IN TAKING CORRECTIVE ACTION.

## 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 FTW87LA192](https://openairdocs.org/ntsb/FTW87LA192), Aug 8, 1987: Cessna 170A (N401P), San Marcos, TX, substantial damage

## Other reports on N401P (3)

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

- [Accident 20160628020829A](https://openairdocs.org/incident/20160628020829A), Jun 28, 2016: Cessna 170A (N401P), Everett, WA, Substantial damage. Pilot was landing in a light crosswind in order to practice crosswind landings in the tailwheel aircraft. On roll out the aircraft veered to the left and…
- [Incident 20150504006209I](https://openairdocs.org/incident/20150504006209I), May 4, 2015: Cessna 170A (N401P), Arlington, WA, Minor damage. CFI was giving dual to inexperienced tailwheel pilot. Upon landing aircraft veered to right. CFI took controls to avoid ground loop. Aircraft stopped and nosed…
- [Accident 19800921044459A](https://openairdocs.org/incident/19800921044459A), Sep 21, 1980: Cessna 170A (N401P), Iola, WI, Substantial damage. Pilot attempted takeoff from soft strip, hit fence at end of runway and crashed.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
