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N521PD — 1988 Mcdonnell Douglas Helicopter 369E | Aircraft History & Risk Profile

Mcdonnell Douglas Helicopter 369E · ALLISON 250-C20 SER · S/N 0321E

Registered owner: APEX HELI-SUPPORT LLC (Arizona) · Registry status: Valid · Current certificate issued 2026

0 NTSB accident / incident records
1 FAA service difficulty report
0 open airworthiness directives
2026 last registration change (FAA proxy)

Registered in Arizona as N521PD, this 1988 Mcdonnell Douglas Helicopter 369E does not appear in any NTSB investigation since 2008, and 1 FAA Service Difficulty Report references this airframe. No open airworthiness directive is currently matched to this model. Its current registration certificate was issued in 2026, the only ownership marker the FAA publishes in bulk.

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What the full report unlocks

  • Risk score 0–100 with the four sub-scores explained
  • Every NTSB event in detail — verified against the airframe serial
  • All 1 SDR grouped by aircraft system, benchmarked vs. the MD 500 / Hughes 369 series fleet
  • Open AD list with compliance summaries, red flags, methodology & sources
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