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Atlas / NTSB / ANC04LA099

NTSB CAROL · Event

Event ANC04LA099

2004-07-29 Yakutat, Alaska, United States Airport · PAYA None 1 aircraft Status: Completed

Registry · N9178G

FAA Aircraft Registry record.

Make / Model

CESSNA U206G

Year of manufacture

1977 · 27 years old at event

TCDS

A4CE · CESSNA

Engine

CONT MOTOR IO 520 SERIES (285 hp)

Seats / Engines

6 seats · 1 engine

Last airworthiness date

19770425

ADS-B equipped

Yes — Mode-S ACB423

Registrant of record

URSUS AIR SERVICES

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The pilot's inadequate preflight inspection, and his failure to secure the cargo door, which resulted in the cargo door coming open during the takeoff roll.

Factual narrative

On July 29, 2004, about 1000 Alaska daylight time, a Cessna U206G airplane, N9178G, sustained substantial damage when the aft cargo door came open during the takeoff roll, and damaged the fuselage, at the Yakutat Airport, Yakutat, Alaska. The airplane was being operated by the US Department of the Interior as a visual flight rules (VFR) cross-country transportation flight under Title 14, CFR Part 91 when the accident occurred. The commercial pilot and sole passenger were not injured. Visual meteorological conditions prevailed, and a VFR flight plan was filed. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) on August 26, the director of maintenance for the operator said during an inspection of the accident airplane he discovered unreported substantial damage to the airplane's fuselage. He said he traced the damage to an incident where the aft cargo door opened during a takeoff roll, and baggage fell onto the runway. He said the pilot told him he checked the door for damage, but did not see significant damage to the fuselage. The director of maintenance said several fuselage stringers aft of the cargo door will have to be replaced. In a written statement from a US Department of the Interior investigator dated September 1, the investigator reported no mechanical deficiencies with the cargo door latching mechanism, and that he could not duplicate a way for the cargo door to inadvertently open when it was properly secured. The operator of the Title 14, CFR Part 91 flight reported that during the takeoff roll, the aft cargo door opened and struck the fuselage, which resulted in substantial damage to several fuselage stringers. The operator noted that the pilot had opened the cargo door prior to the accident flight to load equipment. Postaccident inspection by the operator's maintenance personnel disclosed no mechanical problem with the door, and the operator reported the door could not be inadvertently opened when it was properly closed and latched. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_2004_ANC04LA099.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗