# Accident 19900711025279A: Blanca 1731, Denton, TX, July 11, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 11, 1990, 19:40 local time
- Place: Denton, TX
- Airport: Denton Municipal Airport
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 33.2099° N, 97.1308° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.2099&lon=-97.1308&mi=10
- Aircraft: N39870, a cancelled registration (https://openairdocs.org/deregistered/N39870-1990-08-13) (OpenAirDocs)
- Registry model: Bellanca 17-31ATC (registry code 1220437, https://openairdocs.org/model/bellanca-17-31atc) (OpenAirDocs)
- Reported make and model: BLANCA 1731
- Reported engine: LYC IO540K1E5
- Fatal injuries: 0
- Pilot flight hours: 2,643 total, 761 in this make and model, 41 in the last 90 days
- NTSB investigation: [NTSB FTW90LA139](https://openairdocs.org/ntsb/FTW90LA139) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900711025279A

## Narrative

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

LEFT A TRAIL OF OIL FROM HANGER TO RUNWAY. ENGINE SIEZED ON CLIMBOUT. LACK OF OIL. PILOT FAILED SECURE OIL LINE.

## 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 FTW90LA139](https://openairdocs.org/ntsb/FTW90LA139), Jul 12, 1990: Bellanca 17-31ATC (N39870), Denton, TX, substantial damage. Probable cause: THE PILOT FAILURES TO PROPERLY IN STALL A OIL LINE WHICH RESULTED IN A COMPLETE LOSS OF ENGINE POWER AFTER THE OIL SUPPLY WAS EXHAUSTED.

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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