eCFR Analyzer

Office of Secretary (Aviation Proceedings)

306,648Words in 70 parts
14.1Restriction density (per 1,000 words)
18.6Reading grade
61.8%Unchanged since 2017
8Flagged parts
2026-10-15Last change

Section changes per year

From the eCFR versioner, for the parts that the agency owns now. Before 2017 is the baseline load.

Text and size

Sentences
33.6 words on average; 27.1% over 40 words; 34.3% passive; 12.2 cross-references per 1,000 words
Sentence types
definition 5.4% · prohibition 4.2% · paperwork 10.5% · obligation 23.4% · permission 9.4% · other 47.0%
Checksum
a3cf97642136920ccb6a728eb9c3f9c68582a0c495d041116e24bbbede3afbee

Review candidates in this agency

RankPartWordsScore
209 top 10% 14 CFR 221 TARIFFS
High signals: Restriction density +2.1 SD · Directive share +1.4 SD · Paperwork share +1.2 SD
 17,055 0.98
335 top 10% 14 CFR 205 AIRCRAFT ACCIDENT LIABILITY INSURANCE
High signals: Directive share +1.9 SD · Restriction density +1.9 SD
 2,735 0.86
342 top 10% 14 CFR 380 PUBLIC CHARTERS
High signals: Directive share +1.5 SD · Restriction density +1.1 SD · Reading grade +1.0 SD
 11,791 0.85
362 top 10% 14 CFR 249 PRESERVATION OF AIR CARRIER RECORDS
High signals: Paperwork share +4.0 SD
 3,216 0.84
363 top 10% 14 CFR 374a EXTENSION OF CREDIT BY AIRLINES TO FEDERAL POLITICAL CANDIDATES
High signals: Paperwork share +2.4 SD · Directive share +1.4 SD · Reading grade +1.2 SD · Restriction density +1.1 SD
 2,323 0.84
390 top 10% 14 CFR 382 NONDISCRIMINATION ON THE BASIS OF DISABILITY IN AIR TRAVEL
High signals: Directive share +2.0 SD · Size +1.5 SD · Restriction density +1.3 SD
 32,435 0.82
440 top 10% 14 CFR 303 REVIEW OF AIR CARRIER AGREEMENTS
High signals: Paperwork share +3.5 SD · Restriction density +1.6 SD · Directive share +1.3 SD
 3,188 0.79
543 top 10% 14 CFR 372 OVERSEAS MILITARY PERSONNEL CHARTERS
High signals: Reading grade +2.4 SD
 5,121 0.75
659 14 CFR 201 AIR CARRIER AUTHORITY UNDER SUBTITLE VII OF TITLE 49 OF THE UNITED STATES CODE
High signals: Paperwork share +2.6 SD · Restriction density +2.0 SD · Directive share +1.6 SD
 1,310 0.69
785 14 CFR 302 RULES OF PRACTICE IN PROCEEDINGS
High signals: Size +1.5 SD
 34,578 0.65
999 14 CFR 212 CHARTER RULES FOR U.S. AND FOREIGN DIRECT AIR CARRIERS
High signals: none above 1 SD; ranked by the combined score
 6,318 0.56
1,435 14 CFR 241 UNIFORM SYSTEM OF ACCOUNTS AND REPORTS FOR LARGE CERTIFICATED AIR CARRIERS
High signals: Size +2.0 SD
 59,667 0.43
2,055 14 CFR 259 ENHANCED PROTECTIONS FOR AIRLINE PASSENGERS
High signals: none above 1 SD; ranked by the combined score
 4,226 0.26
2,189 14 CFR 305 RULES OF PRACTICE IN INFORMAL NONPUBLIC INVESTIGATIONS
High signals: Restriction density +1.6 SD · Paperwork share +1.0 SD
 1,326 0.23
2,394 14 CFR 250 OVERSALES
High signals: Reading grade +1.2 SD
 5,110 0.18
2,536 14 CFR 234 AIRLINE SERVICE QUALITY PERFORMANCE REPORTS
High signals: none above 1 SD; ranked by the combined score
 4,735 0.15
2,583 14 CFR 399 STATEMENTS OF GENERAL POLICY
High signals: none above 1 SD; ranked by the combined score
 10,234 0.14
2,587 14 CFR 298 EXEMPTIONS FOR AIR TAXI AND COMMUTER AIR CARRIER OPERATIONS
High signals: none above 1 SD; ranked by the combined score
 11,193 0.14
2,716 14 CFR 204 DATA TO SUPPORT FITNESS DETERMINATIONS
High signals: Reading grade +1.4 SD
 3,980 0.10
2,754 14 CFR 211 APPLICATIONS FOR PERMITS TO FOREIGN AIR CARRIERS
High signals: none above 1 SD; ranked by the combined score
 3,598 0.09
2,810 14 CFR 293 INTERNATIONAL PASSENGER TRANSPORTATION
High signals: none above 1 SD; ranked by the combined score
 1,213 0.08
2,974 14 CFR 323 TERMINATIONS, SUSPENSIONS, AND REDUCTIONS OF SERVICE
High signals: none above 1 SD; ranked by the combined score
 3,399 0.04
3,050 14 CFR 257 DISCLOSURE OF CODE-SHARING ARRANGEMENTS AND LONG-TERM WET LEASES
High signals: none above 1 SD; ranked by the combined score
 1,686 0.03
3,072 14 CFR 213 TERMS, CONDITIONS AND LIMITATIONS OF FOREIGN AIR CARRIER PERMITS
High signals: none above 1 SD; ranked by the combined score
 1,768 0.03
3,139 14 CFR 297 FOREIGN AIR FREIGHT FORWARDERS AND FOREIGN COOPERATIVE SHIPPERS ASSOCIATIONS
High signals: none above 1 SD; ranked by the combined score
 2,283 0.01

Score: the mean of six signals, in standard deviations (SD). Across the CFR, the top 641 of 6,402 ranked parts (10%) get a flag for review; this list shows 25. A flag is not a finding.

Statutes behind the most text

  • 49 U.S.C. 329: 103,920 words in 9 parts (33.9% of this agency's text)
  • 49 U.S.C. 40101: 51,839 words in 12 parts (16.9% of this agency's text)
  • 39 U.S.C. 5402: 34,578 words in 1 parts (11.3% of this agency's text)
  • 42 U.S.C. 4321: 34,578 words in 1 parts (11.3% of this agency's text)
  • 49 U.S.C. 41702: 32,435 words in 1 parts (10.6% of this agency's text)
  • 49 U.S.C. 40113: 11,654 words in 10 parts (3.8% of this agency's text)
  • 49 U.S.C. 41712: 10,234 words in 1 parts (3.3% of this agency's text)
  • 49 U.S.C. 40102: 6,294 words in 2 parts (2.1% of this agency's text)
  • 31 U.S.C. 9701: 1,994 words in 1 parts (0.7% of this agency's text)
  • 5 U.S.C. 552: 1,994 words in 1 parts (0.7% of this agency's text)

From the authority notes. A citation is not proof that the statute requires the rule.

Largest parts

  • 14 CFR 241: UNIFORM SYSTEM OF ACCOUNTS AND REPORTS FOR LARGE CERTIFICATED AIR CARRIERS (59,667 words)
  • 14 CFR 302: RULES OF PRACTICE IN PROCEEDINGS (34,578 words)
  • 14 CFR 382: NONDISCRIMINATION ON THE BASIS OF DISABILITY IN AIR TRAVEL (32,435 words)
  • 14 CFR 221: TARIFFS (17,055 words)
  • 14 CFR 380: PUBLIC CHARTERS (11,791 words)
  • 14 CFR 298: EXEMPTIONS FOR AIR TAXI AND COMMUTER AIR CARRIER OPERATIONS (11,193 words)
  • 14 CFR 399: STATEMENTS OF GENERAL POLICY (10,234 words)
  • 14 CFR 385: STAFF ASSIGNMENTS AND REVIEW OF ACTION UNDER ASSIGNMENTS (8,545 words)
  • 14 CFR 212: CHARTER RULES FOR U.S. AND FOREIGN DIRECT AIR CARRIERS (6,318 words)
  • 14 CFR 291: CARGO OPERATIONS IN INTERSTATE AIR TRANSPORTATION (6,058 words)

Reading grade and sentence types are approximate. Simple rules label each sentence; the first match wins.