ANC11CA081 · Piper PA-18-180
Piper PA-18-180 · Accident: landing area undershoot
From Valdez, AK to Valdez, AK
Event
- NTSB case
- ANC11CA081
- Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
- Accident
- InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
- Completed
- API-reported fatalities
- 0 · all aircraft and ground
- Ground fatalities
- Unknown
- OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
- General aviation
- WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
- Visual Meteorological Cond
Piper PA-18-180
- Aircraft type
- Piper PA-18
- Category
- Airplane
- RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
- N91134
- Operator
- Erik F. Hursh · private individual
- Onboard fatalities
- Unknown
- Route
- From Valdez, AKTo Valdez, AK
- Aircraft age
- Not recorded
- Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
- Part 91: General Aviation
- Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
- Landing · flare/touchdown
- Defining eventThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
- Landing area undershoot
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- Substantial
Cause areas
- Personnel issues › Task performance
Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.
NTSB narrative
The pilot said he was attempting to land a tailwheel-equipped airplane at an off-airport site, which was surrounded by higher terrain on all sides. Before beginning his approach, the pilot determined the wind conditions and then planned an approach into a 10-knot headwind. He said that, while on final approach to the site, he "side-slipped" the airplane to steepen the approach, and a sudden wind shift caused the airplane to descend faster than anticipated. He was unable to arrest the descent, and the airplane's main landing gear wheels collided with a mound about 150 feet short of the intended touchdown point. The airplane bounced as the pilot added engine power to cushion the landing, and as it touched down again, the main landing gear collapsed. The airplane sustained substantial damage to the wings and fuselage. The pilot reported that there were no preaccident mechanical anomalies with the airplane.
Probable cause
The pilot's failure to maintain the proper approach path, which resulted in a runway undershoot.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record ANC11CA081
- Event ID
- 20110818X63753
- Case number
- ANC11CA081
- Dataset
- full-current
- Source SHA-256
- 5cf380f0061817c0331a6b2d8cc7e0ee3a79bea469a1001dc5c10e56f35f5ab3
Source notes (4)
- Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
- Filled from the NTSB case API where the bulk record had no value: local date, investigation status. Values present in the bulk record are kept.
- The date is the local date; the NTSB stores the UTC date 2011-08-17.
- API snapshot SHA-256: 30ca13db0864b3aa5f7ae75955341b5939806e59e3c2c9822b3d7f549f862b97; retrieved 2026-09-15T16:37:57.060Z.