Is it reportable?

“The operator of any civil aircraft, or any public aircraft not operated by the Armed Forces or an intelligence agency of the United States, or any foreign aircraft shall immediately, and by the most expeditious means available, notify the nearest National Transportation Safety Board (NTSB) office, 1 when:”

49 CFR § 830.5

The “1” is the section's own footnote marker — the footnote is where the phone numbers live, quoted next.

“To report an accident or incident, you may call the NTSB Response Operations Center, at 844-373-9922 or 202-314-6290.”

49 CFR § 830.5, footnote 1

The regulation's own footnote, quoted — still, phone numbers can change faster than regulations. Confirm before you need it.

“An aircraft accident or any of the following listed serious incidents occur:”

49 CFR § 830.5(a)

1. (1) “Flight control system malfunction or failure;”
2. (2) “Inability of any required flight crewmember to perform normal flight duties as a result of injury or illness;”
3. (3) “Failure of any internal turbine engine component that results in the escape of debris other than out the exhaust path;”
4. (4) “In-flight fire;”
5. (5) “Aircraft collision in flight;”
6. (6) “Damage to property, other than the aircraft, estimated to exceed $25,000 for repair (including materials and labor) or fair market value in the event of total loss, whichever is less.”
7. (7) “For large multiengine aircraft (more than 12,500 pounds maximum certificated takeoff weight):”
   1. (i) “In-flight failure of electrical systems which requires the sustained use of an emergency bus powered by a back-up source such as a battery, auxiliary power unit, or air-driven generator to retain flight control or essential instruments;”
   2. (ii) “In-flight failure of hydraulic systems that results in sustained reliance on the sole remaining hydraulic or mechanical system for movement of flight control surfaces;”
   3. (iii) “Sustained loss of the power or thrust produced by two or more engines; and”
   4. (iv) “An evacuation of an aircraft in which an emergency egress system is utilized.”
8. (8) “Release of all or a portion of a propeller blade from an aircraft, excluding release caused solely by ground contact;”
9. (9) “A complete loss of information, excluding flickering, from more than 50 percent of an aircraft's cockpit displays known as:”
   1. (i) “Electronic Flight Instrument System (EFIS) displays;”
   2. (ii) “Engine Indication and Crew Alerting System (EICAS) displays;”
   3. (iii) “Electronic Centralized Aircraft Monitor (ECAM) displays; or”
   4. (iv) “Other displays of this type, which generally include a primary flight display (PFD), primary navigation display (PND), and other integrated displays;”
10. (10) “Airborne Collision and Avoidance System (ACAS) resolution advisories issued when an aircraft is being operated on an instrument flight rules flight plan and compliance with the advisory is necessary to avert a substantial risk of collision between two or more aircraft.”
11. (11) “Damage to helicopter tail or main rotor blades, including ground damage, that requires major repair or replacement of the blade(s);”
12. (12) “Any event in which an operator, when operating an airplane as an air carrier at a public-use airport on land:”
    1. (i) “Lands or departs on a taxiway, incorrect runway, or other area not designed as a runway; or”
    2. (ii) “Experiences a runway incursion that requires the operator or the crew of another aircraft or vehicle to take immediate corrective action to avoid a collision.”

“An aircraft is overdue and is believed to have been involved in an accident.”

49 CFR § 830.5(b)

“The notification required in § 830.5 shall contain the following information, if available:”

49 CFR § 830.6

1. (a) “Type, nationality, and registration marks of the aircraft;”
2. (b) “Name of owner, and operator of the aircraft;”
3. (c) “Name of the pilot-in-command;”
4. (d) “Date and time of the accident;”
5. (e) “Last point of departure and point of intended landing of the aircraft;”
6. (f) “Position of the aircraft with reference to some easily defined geographical point;”
7. (g) “Number of persons aboard, number killed, and number seriously injured;”
8. (h) “Nature of the accident, the weather and the extent of damage to the aircraft, so far as is known; and”
9. (i) “A description of any explosives, radioactive materials, or other dangerous articles carried.”

“The operator of an aircraft involved in an accident or incident for which notification must be given is responsible for preserving to the extent possible any aircraft wreckage, cargo, and mail aboard the aircraft, and all records, including all recording mediums of flight, maintenance, and voice recorders, pertaining to the operation and maintenance of the aircraft and to the airmen until the Board takes custody thereof or a release is granted pursuant to § 831.12(b) of this chapter.”

49 CFR § 830.10(a)

“Prior to the time the Board or its authorized representative takes custody of aircraft wreckage, mail, or cargo, such wreckage, mail, or cargo may not be disturbed or moved except to the extent necessary:”

49 CFR § 830.10(b)

1. (1) “To remove persons injured or trapped;”
2. (2) “To protect the wreckage from further damage; or”
3. (3) “To protect the public from injury.”

“Where it is necessary to move aircraft wreckage, mail or cargo, sketches, descriptive notes, and photographs shall be made, if possible, of the original positions and condition of the wreckage and any significant impact marks.”

49 CFR § 830.10(c)

“The operator of an aircraft involved in an accident or incident shall retain all records, reports, internal documents, and memoranda dealing with the accident or incident, until authorized by the Board to the contrary.”

49 CFR § 830.10(d)