# NTSB CHI90LA262: National Balloon AX-7, N9006Y, Altoona, IA, September 9, 1990

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: September 8, 1990, 19:15 local (Sep 9, 1990, 00:15 UTC)
- Place: Altoona, IA
- Coordinates: 41.650684, -93.469993 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.6507&lon=-93.4700&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report November 9, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 14775
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI90LA262
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/14775/pdf
- Page: https://openairdocs.org/ntsb/CHI90LA262

## Probable cause

THE PASSENGER'S INADVERTENT CONTACT WITH A PROPANE TANK DURING A BOUNCED LANDING WHICH RESULTED IN SERIOUS INJURY TO THE PASSENGER.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Hard landing, landing - flare/touchdown
  - descent - improper, pilot in command (cause)
  - equipment,other - encountered, passenger (cause)

## Analysis

ON LANDING THE BALLOON, THE CRAFT ENCOUNTERED A BOUNCE. DURING THIS EVENT THE PASSENGER CAME IN CONTACT WITH THE PROPANE TANK AND SUFFERED SERIOUS INJURY. THE PILOT AND THE AIRCRAFT WERE NOT DAMAGED.

## Aircraft

- Registration: [N9006Y](https://openairdocs.org/aircraft/N9006Y), registered now, S/N 0123, built 1981 (OpenAirDocs)
- Reported make and model: National Balloon AX-7
- Registry model: [National Ballooning 752-12](https://openairdocs.org/model/national-ballooning-752-12) (registry code 05637M7) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Balloon
- Engines: UNKNOWN UNKNOWN unknown
- Damage: No damage
- Flight: Personal, Part 91
- Operator: Kevin Mart
- Registered owner: Ted Mart
- Airworthiness certificate: Standard, Normal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; commercial; medical: unknown

## Weather

- Conditions: Visual (VMC), Day
- Wind: 150° at 10 knots
- Visibility: 20 statute miles
- Lowest ceiling: none

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19900908044499A](https://openairdocs.org/incident/19900908044499A), Sep 8, 1990: Natbal 75212, Altoona, IA. Bounced on landing. Passenger suffered broken knee cap after striking a propane tank.

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.

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