ANC08TA006 · Aviat A1B
Aviat A1B · Accident: on ground/water collision with terrain/water during landing
From Lake Hood Airport (Z41) to an unrecorded destination
Narrative check · The NTSB narrative appears to contradict this record's flight rules. Values are shown as recorded, not corrected; compare with the narrative.
Event
- NTSB case
- ANC08TA006
- 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
- Government
- 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
Aviat A1B
- Aircraft type
- Aviat A1
- 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
- N739
- Operator
- Unknown
- Onboard fatalities
- Unknown
- Route
- From Lake Hood Airport (Z41), Anchorage, AKTo not recorded
- 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
- Public Aircraft Narrative disagrees
- 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 · landing roll
- First occurrenceThe 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
- On ground/water collision with terrain/water
- 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
- Pilot in command(cfi) › Clearance, not maintained
Approximate · Coordinates from the NTSB case API, which marks them as estimated or does not say; no uncertainty radius is established.
NTSB narrative
The flight instructor/mentor pilot for a federal agency was demonstrating off-airport landing techniques to a commercial federal pilot at a remote off-airport site during a public use training flight. The flight instructor was flying the airplane, and was attempting to do a touch and go landing on a gravel bar when the left wing struck a clump of vegetation. The flight instructor completed the touch and go, and returned the airplane to its base, where it was found that a wing rib would have to be replaced. The operator noted that there were no preaccident mechanical problems with the airplane.
Probable cause
The flight instructor's failure to maintain clearance from high vegetation during the off-airport landing.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record ANC08TA006
- Event ID
- 20071025X01656
- Case number
- ANC08TA006
- Dataset
- historical-pre2008
- Source SHA-256
- 89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (5)
- 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: investigation status, coordinates. Values present in the bulk record are kept.
- The date is the local date, which is the same as the UTC date the NTSB stores.
- API snapshot SHA-256: a4fd7a926998c0a679423e3b036ce1be3f7930121f72ec9ccbc47f2eaf0f6cd0; retrieved 2026-09-22T03:22:39.199Z.
- Corrected after a review of the NTSB narrative, which states these values explicitly: operation. The narrative states the flight instructor/mentor pilot "for a federal agency" was demonstrating off-airport landings to a commercial federal pilot "during a public use training flight"; the flight was a public aircraft operation, not Part 91 general aviation.